./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-20.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 36737b7958ca72f0774fc0f7ccab03861500afa24766b605f5269ead47c0b677 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 04:49:01,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 04:49:01,303 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 04:49:01,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 04:49:01,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 04:49:01,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 04:49:01,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 04:49:01,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 04:49:01,338 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 04:49:01,338 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 04:49:01,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 04:49:01,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 04:49:01,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 04:49:01,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 04:49:01,340 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 04:49:01,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 04:49:01,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 04:49:01,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 04:49:01,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 04:49:01,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 04:49:01,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 04:49:01,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 04:49:01,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 04:49:01,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 04:49:01,348 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 04:49:01,348 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 04:49:01,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 04:49:01,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 04:49:01,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 04:49:01,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 04:49:01,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 04:49:01,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 04:49:01,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:49:01,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 04:49:01,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 04:49:01,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 04:49:01,353 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 04:49:01,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 04:49:01,353 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 04:49:01,354 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 04:49:01,354 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 04:49:01,354 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 04:49:01,355 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36737b7958ca72f0774fc0f7ccab03861500afa24766b605f5269ead47c0b677 [2024-10-13 04:49:01,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 04:49:01,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 04:49:01,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 04:49:01,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 04:49:01,636 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 04:49:01,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-20.i [2024-10-13 04:49:03,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 04:49:03,389 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 04:49:03,393 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-20.i [2024-10-13 04:49:03,404 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fac7d8c5/bf17decf39e0488d826b6bdaf866f0b0/FLAG5f0ca75c0 [2024-10-13 04:49:03,425 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fac7d8c5/bf17decf39e0488d826b6bdaf866f0b0 [2024-10-13 04:49:03,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 04:49:03,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 04:49:03,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 04:49:03,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 04:49:03,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 04:49:03,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:03,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd74569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03, skipping insertion in model container [2024-10-13 04:49:03,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:03,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 04:49:03,625 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-20.i[916,929] [2024-10-13 04:49:03,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:49:03,727 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 04:49:03,740 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-20.i[916,929] [2024-10-13 04:49:03,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 04:49:03,812 INFO L204 MainTranslator]: Completed translation [2024-10-13 04:49:03,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03 WrapperNode [2024-10-13 04:49:03,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 04:49:03,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 04:49:03,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 04:49:03,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 04:49:03,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:03,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:03,898 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 261 [2024-10-13 04:49:03,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 04:49:03,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 04:49:03,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 04:49:03,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 04:49:03,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:03,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:03,919 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:03,952 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 04:49:03,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:03,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:03,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:03,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:04,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:04,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:04,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 04:49:04,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 04:49:04,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 04:49:04,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 04:49:04,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (1/1) ... [2024-10-13 04:49:04,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 04:49:04,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:49:04,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 04:49:04,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 04:49:04,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 04:49:04,109 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 04:49:04,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 04:49:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 04:49:04,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 04:49:04,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 04:49:04,224 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 04:49:04,229 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 04:49:04,847 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-10-13 04:49:04,848 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 04:49:04,878 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 04:49:04,879 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 04:49:04,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:49:04 BoogieIcfgContainer [2024-10-13 04:49:04,880 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 04:49:04,882 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 04:49:04,882 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 04:49:04,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 04:49:04,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:49:03" (1/3) ... [2024-10-13 04:49:04,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5467237d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:49:04, skipping insertion in model container [2024-10-13 04:49:04,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:49:03" (2/3) ... [2024-10-13 04:49:04,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5467237d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:49:04, skipping insertion in model container [2024-10-13 04:49:04,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:49:04" (3/3) ... [2024-10-13 04:49:04,889 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-20.i [2024-10-13 04:49:04,908 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 04:49:04,908 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 04:49:04,980 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 04:49:04,990 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;@1747b3e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 04:49:04,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 04:49:04,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 04:49:05,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-13 04:49:05,018 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:05,019 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:05,019 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:05,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:05,026 INFO L85 PathProgramCache]: Analyzing trace with hash -226368095, now seen corresponding path program 1 times [2024-10-13 04:49:05,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:05,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741804951] [2024-10-13 04:49:05,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:05,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:05,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:05,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741804951] [2024-10-13 04:49:05,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741804951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:05,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:05,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 04:49:05,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507443174] [2024-10-13 04:49:05,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:05,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 04:49:05,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:05,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 04:49:05,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 04:49:05,668 INFO L87 Difference]: Start difference. First operand has 110 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 04:49:05,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:05,723 INFO L93 Difference]: Finished difference Result 217 states and 377 transitions. [2024-10-13 04:49:05,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 04:49:05,726 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 200 [2024-10-13 04:49:05,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:05,734 INFO L225 Difference]: With dead ends: 217 [2024-10-13 04:49:05,734 INFO L226 Difference]: Without dead ends: 108 [2024-10-13 04:49:05,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 04:49:05,742 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:05,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 166 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 04:49:05,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-10-13 04:49:05,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-10-13 04:49:05,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 75 states have internal predecessors, (107), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 04:49:05,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 169 transitions. [2024-10-13 04:49:05,806 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 169 transitions. Word has length 200 [2024-10-13 04:49:05,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:05,807 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 169 transitions. [2024-10-13 04:49:05,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-13 04:49:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 169 transitions. [2024-10-13 04:49:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-13 04:49:05,814 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:05,814 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:05,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 04:49:05,815 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:05,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:05,816 INFO L85 PathProgramCache]: Analyzing trace with hash -694898213, now seen corresponding path program 1 times [2024-10-13 04:49:05,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:05,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62528181] [2024-10-13 04:49:05,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:05,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:06,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:06,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:06,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62528181] [2024-10-13 04:49:06,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62528181] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:06,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:06,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 04:49:06,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775734019] [2024-10-13 04:49:06,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:06,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 04:49:06,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:06,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 04:49:06,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 04:49:06,642 INFO L87 Difference]: Start difference. First operand 108 states and 169 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:07,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:07,077 INFO L93 Difference]: Finished difference Result 355 states and 556 transitions. [2024-10-13 04:49:07,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 04:49:07,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2024-10-13 04:49:07,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:07,081 INFO L225 Difference]: With dead ends: 355 [2024-10-13 04:49:07,082 INFO L226 Difference]: Without dead ends: 248 [2024-10-13 04:49:07,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 04:49:07,084 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 164 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:07,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 715 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 04:49:07,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-13 04:49:07,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 238. [2024-10-13 04:49:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 173 states have (on average 1.416184971098266) internal successors, (245), 173 states have internal predecessors, (245), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 04:49:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 369 transitions. [2024-10-13 04:49:07,133 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 369 transitions. Word has length 200 [2024-10-13 04:49:07,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:07,134 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 369 transitions. [2024-10-13 04:49:07,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 369 transitions. [2024-10-13 04:49:07,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-13 04:49:07,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:07,144 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:07,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 04:49:07,144 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:07,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:07,144 INFO L85 PathProgramCache]: Analyzing trace with hash 2107565683, now seen corresponding path program 1 times [2024-10-13 04:49:07,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:07,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159648868] [2024-10-13 04:49:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:07,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:07,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:07,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159648868] [2024-10-13 04:49:07,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159648868] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:07,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:07,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 04:49:07,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976290364] [2024-10-13 04:49:07,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:07,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 04:49:07,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:07,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 04:49:07,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 04:49:07,754 INFO L87 Difference]: Start difference. First operand 238 states and 369 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:08,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:08,141 INFO L93 Difference]: Finished difference Result 695 states and 1076 transitions. [2024-10-13 04:49:08,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 04:49:08,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2024-10-13 04:49:08,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:08,151 INFO L225 Difference]: With dead ends: 695 [2024-10-13 04:49:08,151 INFO L226 Difference]: Without dead ends: 458 [2024-10-13 04:49:08,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 04:49:08,155 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 141 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:08,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 558 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 04:49:08,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-13 04:49:08,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 313. [2024-10-13 04:49:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 248 states have (on average 1.4596774193548387) internal successors, (362), 248 states have internal predecessors, (362), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 04:49:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 486 transitions. [2024-10-13 04:49:08,218 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 486 transitions. Word has length 201 [2024-10-13 04:49:08,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:08,219 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 486 transitions. [2024-10-13 04:49:08,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:08,220 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 486 transitions. [2024-10-13 04:49:08,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-13 04:49:08,223 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:08,223 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:08,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 04:49:08,223 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:08,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:08,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1649660106, now seen corresponding path program 1 times [2024-10-13 04:49:08,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:08,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490467358] [2024-10-13 04:49:08,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:08,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:08,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:08,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490467358] [2024-10-13 04:49:08,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490467358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:08,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:08,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 04:49:08,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206622336] [2024-10-13 04:49:08,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:08,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 04:49:08,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:08,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 04:49:08,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 04:49:08,839 INFO L87 Difference]: Start difference. First operand 313 states and 486 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:09,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:09,555 INFO L93 Difference]: Finished difference Result 911 states and 1388 transitions. [2024-10-13 04:49:09,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 04:49:09,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-13 04:49:09,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:09,562 INFO L225 Difference]: With dead ends: 911 [2024-10-13 04:49:09,562 INFO L226 Difference]: Without dead ends: 599 [2024-10-13 04:49:09,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-13 04:49:09,564 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 141 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:09,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 884 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 04:49:09,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-10-13 04:49:09,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 521. [2024-10-13 04:49:09,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 442 states have (on average 1.4728506787330318) internal successors, (651), 444 states have internal predecessors, (651), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-13 04:49:09,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 799 transitions. [2024-10-13 04:49:09,633 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 799 transitions. Word has length 202 [2024-10-13 04:49:09,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:09,634 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 799 transitions. [2024-10-13 04:49:09,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 799 transitions. [2024-10-13 04:49:09,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-13 04:49:09,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:09,639 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:09,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 04:49:09,639 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:09,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:09,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1827658740, now seen corresponding path program 1 times [2024-10-13 04:49:09,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:09,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111297810] [2024-10-13 04:49:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:09,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:12,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:12,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:12,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111297810] [2024-10-13 04:49:12,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111297810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:12,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:12,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 04:49:12,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921569439] [2024-10-13 04:49:12,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:12,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 04:49:12,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:12,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 04:49:12,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-13 04:49:12,157 INFO L87 Difference]: Start difference. First operand 521 states and 799 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:13,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:13,734 INFO L93 Difference]: Finished difference Result 1516 states and 2251 transitions. [2024-10-13 04:49:13,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 04:49:13,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-13 04:49:13,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:13,744 INFO L225 Difference]: With dead ends: 1516 [2024-10-13 04:49:13,744 INFO L226 Difference]: Without dead ends: 996 [2024-10-13 04:49:13,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-13 04:49:13,746 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 340 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:13,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 599 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 04:49:13,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-13 04:49:13,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 639. [2024-10-13 04:49:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 560 states have (on average 1.4821428571428572) internal successors, (830), 562 states have internal predecessors, (830), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-13 04:49:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 978 transitions. [2024-10-13 04:49:13,801 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 978 transitions. Word has length 202 [2024-10-13 04:49:13,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:13,804 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 978 transitions. [2024-10-13 04:49:13,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:13,804 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 978 transitions. [2024-10-13 04:49:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-13 04:49:13,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:13,806 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:13,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 04:49:13,807 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:13,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:13,807 INFO L85 PathProgramCache]: Analyzing trace with hash 816541490, now seen corresponding path program 1 times [2024-10-13 04:49:13,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:13,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532767866] [2024-10-13 04:49:13,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:13,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:15,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:15,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532767866] [2024-10-13 04:49:15,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532767866] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:15,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:15,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 04:49:15,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063909834] [2024-10-13 04:49:15,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:15,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 04:49:15,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:15,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 04:49:15,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-13 04:49:15,156 INFO L87 Difference]: Start difference. First operand 639 states and 978 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:16,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:16,951 INFO L93 Difference]: Finished difference Result 1986 states and 2970 transitions. [2024-10-13 04:49:16,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 04:49:16,952 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-13 04:49:16,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:16,959 INFO L225 Difference]: With dead ends: 1986 [2024-10-13 04:49:16,960 INFO L226 Difference]: Without dead ends: 1348 [2024-10-13 04:49:16,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-10-13 04:49:16,963 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 333 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:16,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 962 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 04:49:16,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2024-10-13 04:49:17,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 669. [2024-10-13 04:49:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 590 states have (on average 1.4864406779661017) internal successors, (877), 592 states have internal predecessors, (877), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-13 04:49:17,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 1025 transitions. [2024-10-13 04:49:17,007 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 1025 transitions. Word has length 202 [2024-10-13 04:49:17,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:17,011 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 1025 transitions. [2024-10-13 04:49:17,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1025 transitions. [2024-10-13 04:49:17,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-13 04:49:17,014 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:17,014 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:17,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 04:49:17,015 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:17,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:17,015 INFO L85 PathProgramCache]: Analyzing trace with hash -855339022, now seen corresponding path program 1 times [2024-10-13 04:49:17,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:17,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658286577] [2024-10-13 04:49:17,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:17,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:18,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:18,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:18,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658286577] [2024-10-13 04:49:18,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658286577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:18,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:18,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 04:49:18,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167046770] [2024-10-13 04:49:18,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:18,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 04:49:18,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:18,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 04:49:18,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-13 04:49:18,297 INFO L87 Difference]: Start difference. First operand 669 states and 1025 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:19,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:19,423 INFO L93 Difference]: Finished difference Result 2005 states and 3054 transitions. [2024-10-13 04:49:19,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 04:49:19,424 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-13 04:49:19,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:19,431 INFO L225 Difference]: With dead ends: 2005 [2024-10-13 04:49:19,431 INFO L226 Difference]: Without dead ends: 1337 [2024-10-13 04:49:19,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-13 04:49:19,434 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 364 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:19,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 476 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 04:49:19,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2024-10-13 04:49:19,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 735. [2024-10-13 04:49:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 656 states have (on average 1.4954268292682926) internal successors, (981), 658 states have internal predecessors, (981), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-13 04:49:19,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1129 transitions. [2024-10-13 04:49:19,484 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1129 transitions. Word has length 202 [2024-10-13 04:49:19,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:19,484 INFO L471 AbstractCegarLoop]: Abstraction has 735 states and 1129 transitions. [2024-10-13 04:49:19,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:19,486 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1129 transitions. [2024-10-13 04:49:19,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-13 04:49:19,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:19,490 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:19,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 04:49:19,490 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:19,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:19,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1906298398, now seen corresponding path program 1 times [2024-10-13 04:49:19,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:19,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206864352] [2024-10-13 04:49:19,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:19,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:19,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:19,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206864352] [2024-10-13 04:49:19,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206864352] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:19,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:19,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 04:49:19,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047186732] [2024-10-13 04:49:19,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:19,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 04:49:19,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:19,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 04:49:19,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 04:49:19,656 INFO L87 Difference]: Start difference. First operand 735 states and 1129 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:19,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:19,802 INFO L93 Difference]: Finished difference Result 1858 states and 2855 transitions. [2024-10-13 04:49:19,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 04:49:19,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-13 04:49:19,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:19,808 INFO L225 Difference]: With dead ends: 1858 [2024-10-13 04:49:19,808 INFO L226 Difference]: Without dead ends: 1124 [2024-10-13 04:49:19,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 04:49:19,812 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 147 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:19,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 439 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 04:49:19,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-10-13 04:49:19,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 927. [2024-10-13 04:49:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 848 states have (on average 1.5153301886792452) internal successors, (1285), 850 states have internal predecessors, (1285), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-13 04:49:19,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1433 transitions. [2024-10-13 04:49:19,867 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1433 transitions. Word has length 202 [2024-10-13 04:49:19,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:19,867 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1433 transitions. [2024-10-13 04:49:19,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1433 transitions. [2024-10-13 04:49:19,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-13 04:49:19,871 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:19,871 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:19,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 04:49:19,872 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:19,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:19,872 INFO L85 PathProgramCache]: Analyzing trace with hash 444594544, now seen corresponding path program 1 times [2024-10-13 04:49:19,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:19,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397203733] [2024-10-13 04:49:19,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:19,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:20,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:20,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397203733] [2024-10-13 04:49:20,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397203733] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:20,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:20,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 04:49:20,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472027121] [2024-10-13 04:49:20,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:20,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 04:49:20,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:20,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 04:49:20,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 04:49:20,119 INFO L87 Difference]: Start difference. First operand 927 states and 1433 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:20,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:20,169 INFO L93 Difference]: Finished difference Result 1857 states and 2871 transitions. [2024-10-13 04:49:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 04:49:20,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 203 [2024-10-13 04:49:20,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:20,175 INFO L225 Difference]: With dead ends: 1857 [2024-10-13 04:49:20,175 INFO L226 Difference]: Without dead ends: 931 [2024-10-13 04:49:20,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 04:49:20,179 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:20,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 486 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 04:49:20,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-10-13 04:49:20,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 931. [2024-10-13 04:49:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 852 states have (on average 1.5129107981220657) internal successors, (1289), 854 states have internal predecessors, (1289), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-13 04:49:20,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1437 transitions. [2024-10-13 04:49:20,218 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1437 transitions. Word has length 203 [2024-10-13 04:49:20,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:20,219 INFO L471 AbstractCegarLoop]: Abstraction has 931 states and 1437 transitions. [2024-10-13 04:49:20,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1437 transitions. [2024-10-13 04:49:20,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-13 04:49:20,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:20,222 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:20,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 04:49:20,223 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:20,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:20,223 INFO L85 PathProgramCache]: Analyzing trace with hash 225739826, now seen corresponding path program 1 times [2024-10-13 04:49:20,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:20,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901054675] [2024-10-13 04:49:20,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:20,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:20,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:20,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901054675] [2024-10-13 04:49:20,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901054675] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:20,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:20,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 04:49:20,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351272119] [2024-10-13 04:49:20,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:20,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 04:49:20,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:20,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 04:49:20,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 04:49:20,538 INFO L87 Difference]: Start difference. First operand 931 states and 1437 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:20,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:20,845 INFO L93 Difference]: Finished difference Result 2258 states and 3483 transitions. [2024-10-13 04:49:20,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 04:49:20,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 203 [2024-10-13 04:49:20,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:20,852 INFO L225 Difference]: With dead ends: 2258 [2024-10-13 04:49:20,852 INFO L226 Difference]: Without dead ends: 1328 [2024-10-13 04:49:20,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 04:49:20,855 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 151 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:20,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 628 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 04:49:20,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2024-10-13 04:49:20,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 939. [2024-10-13 04:49:20,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 860 states have (on average 1.5104651162790699) internal successors, (1299), 862 states have internal predecessors, (1299), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-13 04:49:20,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1447 transitions. [2024-10-13 04:49:20,903 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1447 transitions. Word has length 203 [2024-10-13 04:49:20,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:20,903 INFO L471 AbstractCegarLoop]: Abstraction has 939 states and 1447 transitions. [2024-10-13 04:49:20,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:20,904 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1447 transitions. [2024-10-13 04:49:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-13 04:49:20,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:20,907 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:20,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 04:49:20,907 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:20,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:20,907 INFO L85 PathProgramCache]: Analyzing trace with hash -771143077, now seen corresponding path program 1 times [2024-10-13 04:49:20,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:20,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276085651] [2024-10-13 04:49:20,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:20,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:20,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:21,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:21,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276085651] [2024-10-13 04:49:21,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276085651] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:21,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:21,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 04:49:21,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634921190] [2024-10-13 04:49:21,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:21,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 04:49:21,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:21,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 04:49:21,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 04:49:21,022 INFO L87 Difference]: Start difference. First operand 939 states and 1447 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:21,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:21,096 INFO L93 Difference]: Finished difference Result 1834 states and 2837 transitions. [2024-10-13 04:49:21,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 04:49:21,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-13 04:49:21,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:21,104 INFO L225 Difference]: With dead ends: 1834 [2024-10-13 04:49:21,104 INFO L226 Difference]: Without dead ends: 1309 [2024-10-13 04:49:21,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 04:49:21,106 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 151 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:21,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 365 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 04:49:21,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2024-10-13 04:49:21,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1307. [2024-10-13 04:49:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 1189 states have (on average 1.441547518923465) internal successors, (1714), 1192 states have internal predecessors, (1714), 111 states have call successors, (111), 6 states have call predecessors, (111), 6 states have return successors, (111), 108 states have call predecessors, (111), 111 states have call successors, (111) [2024-10-13 04:49:21,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1936 transitions. [2024-10-13 04:49:21,173 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1936 transitions. Word has length 204 [2024-10-13 04:49:21,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:21,174 INFO L471 AbstractCegarLoop]: Abstraction has 1307 states and 1936 transitions. [2024-10-13 04:49:21,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1936 transitions. [2024-10-13 04:49:21,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-13 04:49:21,196 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:21,197 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:21,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 04:49:21,197 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:21,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:21,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1440112071, now seen corresponding path program 1 times [2024-10-13 04:49:21,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:21,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204857129] [2024-10-13 04:49:21,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:21,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-13 04:49:21,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:21,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204857129] [2024-10-13 04:49:21,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204857129] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:49:21,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261597385] [2024-10-13 04:49:21,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:21,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:49:21,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:49:21,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:49:21,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 04:49:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:21,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 04:49:22,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:49:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-10-13 04:49:23,091 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:49:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-13 04:49:23,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [261597385] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:49:23,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:49:23,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 7] total 21 [2024-10-13 04:49:23,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449832300] [2024-10-13 04:49:23,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:49:23,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-13 04:49:23,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:23,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-13 04:49:23,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-10-13 04:49:23,611 INFO L87 Difference]: Start difference. First operand 1307 states and 1936 transitions. Second operand has 21 states, 21 states have (on average 6.523809523809524) internal successors, (137), 21 states have internal predecessors, (137), 5 states have call successors, (93), 4 states have call predecessors, (93), 7 states have return successors, (93), 5 states have call predecessors, (93), 5 states have call successors, (93) [2024-10-13 04:49:25,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:25,657 INFO L93 Difference]: Finished difference Result 2854 states and 4209 transitions. [2024-10-13 04:49:25,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-13 04:49:25,658 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 6.523809523809524) internal successors, (137), 21 states have internal predecessors, (137), 5 states have call successors, (93), 4 states have call predecessors, (93), 7 states have return successors, (93), 5 states have call predecessors, (93), 5 states have call successors, (93) Word has length 204 [2024-10-13 04:49:25,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:25,669 INFO L225 Difference]: With dead ends: 2854 [2024-10-13 04:49:25,669 INFO L226 Difference]: Without dead ends: 1548 [2024-10-13 04:49:25,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=413, Invalid=1843, Unknown=0, NotChecked=0, Total=2256 [2024-10-13 04:49:25,674 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 530 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 1599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:25,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 1221 Invalid, 1599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 04:49:25,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2024-10-13 04:49:25,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1496. [2024-10-13 04:49:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1496 states, 1221 states have (on average 1.3063063063063063) internal successors, (1595), 1230 states have internal predecessors, (1595), 253 states have call successors, (253), 21 states have call predecessors, (253), 21 states have return successors, (253), 244 states have call predecessors, (253), 253 states have call successors, (253) [2024-10-13 04:49:25,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 2101 transitions. [2024-10-13 04:49:25,822 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 2101 transitions. Word has length 204 [2024-10-13 04:49:25,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:25,823 INFO L471 AbstractCegarLoop]: Abstraction has 1496 states and 2101 transitions. [2024-10-13 04:49:25,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.523809523809524) internal successors, (137), 21 states have internal predecessors, (137), 5 states have call successors, (93), 4 states have call predecessors, (93), 7 states have return successors, (93), 5 states have call predecessors, (93), 5 states have call successors, (93) [2024-10-13 04:49:25,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2101 transitions. [2024-10-13 04:49:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-13 04:49:25,826 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:25,826 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:25,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 04:49:26,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-13 04:49:26,028 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:26,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:26,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1146168725, now seen corresponding path program 1 times [2024-10-13 04:49:26,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:26,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476350968] [2024-10-13 04:49:26,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:26,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:26,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:26,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:26,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476350968] [2024-10-13 04:49:26,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476350968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:26,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:26,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 04:49:26,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793827800] [2024-10-13 04:49:26,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:26,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 04:49:26,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:26,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 04:49:26,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 04:49:26,247 INFO L87 Difference]: Start difference. First operand 1496 states and 2101 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:26,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:26,352 INFO L93 Difference]: Finished difference Result 1697 states and 2387 transitions. [2024-10-13 04:49:26,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 04:49:26,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-13 04:49:26,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:26,359 INFO L225 Difference]: With dead ends: 1697 [2024-10-13 04:49:26,359 INFO L226 Difference]: Without dead ends: 965 [2024-10-13 04:49:26,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 04:49:26,363 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 149 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:26,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 391 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 04:49:26,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2024-10-13 04:49:26,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 963. [2024-10-13 04:49:26,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 768 states have (on average 1.2630208333333333) internal successors, (970), 774 states have internal predecessors, (970), 179 states have call successors, (179), 15 states have call predecessors, (179), 15 states have return successors, (179), 173 states have call predecessors, (179), 179 states have call successors, (179) [2024-10-13 04:49:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1328 transitions. [2024-10-13 04:49:26,453 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1328 transitions. Word has length 204 [2024-10-13 04:49:26,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:26,454 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1328 transitions. [2024-10-13 04:49:26,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:26,454 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1328 transitions. [2024-10-13 04:49:26,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-13 04:49:26,456 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:26,456 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:26,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 04:49:26,457 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:26,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:26,457 INFO L85 PathProgramCache]: Analyzing trace with hash -659269609, now seen corresponding path program 1 times [2024-10-13 04:49:26,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:26,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836650546] [2024-10-13 04:49:26,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:26,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:30,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:30,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:30,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836650546] [2024-10-13 04:49:30,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836650546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:30,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:30,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 04:49:30,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405706177] [2024-10-13 04:49:30,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:30,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 04:49:30,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:30,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 04:49:30,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-10-13 04:49:30,086 INFO L87 Difference]: Start difference. First operand 963 states and 1328 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:31,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:31,848 INFO L93 Difference]: Finished difference Result 2019 states and 2723 transitions. [2024-10-13 04:49:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 04:49:31,849 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-13 04:49:31,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:31,859 INFO L225 Difference]: With dead ends: 2019 [2024-10-13 04:49:31,859 INFO L226 Difference]: Without dead ends: 1443 [2024-10-13 04:49:31,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2024-10-13 04:49:31,861 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 311 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:31,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 546 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 04:49:31,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2024-10-13 04:49:31,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 975. [2024-10-13 04:49:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 780 states have (on average 1.2666666666666666) internal successors, (988), 786 states have internal predecessors, (988), 179 states have call successors, (179), 15 states have call predecessors, (179), 15 states have return successors, (179), 173 states have call predecessors, (179), 179 states have call successors, (179) [2024-10-13 04:49:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1346 transitions. [2024-10-13 04:49:31,961 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1346 transitions. Word has length 204 [2024-10-13 04:49:31,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:31,961 INFO L471 AbstractCegarLoop]: Abstraction has 975 states and 1346 transitions. [2024-10-13 04:49:31,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:31,962 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1346 transitions. [2024-10-13 04:49:31,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-13 04:49:31,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:31,964 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:31,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 04:49:31,964 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:31,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:31,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1246075623, now seen corresponding path program 1 times [2024-10-13 04:49:31,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:31,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585540568] [2024-10-13 04:49:31,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:31,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:34,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:34,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585540568] [2024-10-13 04:49:34,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585540568] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:34,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:34,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 04:49:34,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679116959] [2024-10-13 04:49:34,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:34,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 04:49:34,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:34,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 04:49:34,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-13 04:49:34,516 INFO L87 Difference]: Start difference. First operand 975 states and 1346 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:36,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:36,735 INFO L93 Difference]: Finished difference Result 2063 states and 2771 transitions. [2024-10-13 04:49:36,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 04:49:36,736 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-13 04:49:36,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:36,743 INFO L225 Difference]: With dead ends: 2063 [2024-10-13 04:49:36,743 INFO L226 Difference]: Without dead ends: 1481 [2024-10-13 04:49:36,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-10-13 04:49:36,746 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 327 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:36,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 645 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-13 04:49:36,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2024-10-13 04:49:36,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 975. [2024-10-13 04:49:36,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 780 states have (on average 1.2666666666666666) internal successors, (988), 786 states have internal predecessors, (988), 179 states have call successors, (179), 15 states have call predecessors, (179), 15 states have return successors, (179), 173 states have call predecessors, (179), 179 states have call successors, (179) [2024-10-13 04:49:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1346 transitions. [2024-10-13 04:49:36,857 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1346 transitions. Word has length 204 [2024-10-13 04:49:36,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:36,857 INFO L471 AbstractCegarLoop]: Abstraction has 975 states and 1346 transitions. [2024-10-13 04:49:36,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:36,859 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1346 transitions. [2024-10-13 04:49:36,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-13 04:49:36,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:36,861 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:36,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 04:49:36,861 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:36,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:36,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1054746967, now seen corresponding path program 1 times [2024-10-13 04:49:36,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:36,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286385529] [2024-10-13 04:49:36,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:36,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:37,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:37,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286385529] [2024-10-13 04:49:37,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286385529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:37,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:37,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 04:49:37,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508633295] [2024-10-13 04:49:37,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:37,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 04:49:37,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:37,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 04:49:37,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-13 04:49:37,602 INFO L87 Difference]: Start difference. First operand 975 states and 1346 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-13 04:49:38,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:38,701 INFO L93 Difference]: Finished difference Result 2460 states and 3353 transitions. [2024-10-13 04:49:38,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 04:49:38,702 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 204 [2024-10-13 04:49:38,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:38,712 INFO L225 Difference]: With dead ends: 2460 [2024-10-13 04:49:38,713 INFO L226 Difference]: Without dead ends: 1822 [2024-10-13 04:49:38,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2024-10-13 04:49:38,716 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 380 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:38,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 937 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 04:49:38,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2024-10-13 04:49:38,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1400. [2024-10-13 04:49:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 1121 states have (on average 1.2506690454950937) internal successors, (1402), 1130 states have internal predecessors, (1402), 253 states have call successors, (253), 25 states have call predecessors, (253), 25 states have return successors, (253), 244 states have call predecessors, (253), 253 states have call successors, (253) [2024-10-13 04:49:38,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1908 transitions. [2024-10-13 04:49:38,862 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1908 transitions. Word has length 204 [2024-10-13 04:49:38,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:38,863 INFO L471 AbstractCegarLoop]: Abstraction has 1400 states and 1908 transitions. [2024-10-13 04:49:38,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-13 04:49:38,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1908 transitions. [2024-10-13 04:49:38,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-13 04:49:38,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:38,866 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:38,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 04:49:38,866 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:38,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:38,866 INFO L85 PathProgramCache]: Analyzing trace with hash -2119572229, now seen corresponding path program 1 times [2024-10-13 04:49:38,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:38,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751423413] [2024-10-13 04:49:38,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:38,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:40,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:40,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751423413] [2024-10-13 04:49:40,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751423413] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:40,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:40,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 04:49:40,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619679169] [2024-10-13 04:49:40,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:40,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 04:49:40,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:40,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 04:49:40,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 04:49:40,253 INFO L87 Difference]: Start difference. First operand 1400 states and 1908 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:41,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:41,734 INFO L93 Difference]: Finished difference Result 2448 states and 3271 transitions. [2024-10-13 04:49:41,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 04:49:41,735 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-13 04:49:41,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:41,746 INFO L225 Difference]: With dead ends: 2448 [2024-10-13 04:49:41,747 INFO L226 Difference]: Without dead ends: 2166 [2024-10-13 04:49:41,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-13 04:49:41,749 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 386 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:41,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 1082 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 04:49:41,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2024-10-13 04:49:41,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 1585. [2024-10-13 04:49:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1289 states have (on average 1.2513576415826222) internal successors, (1613), 1300 states have internal predecessors, (1613), 261 states have call successors, (261), 34 states have call predecessors, (261), 34 states have return successors, (261), 250 states have call predecessors, (261), 261 states have call successors, (261) [2024-10-13 04:49:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2135 transitions. [2024-10-13 04:49:41,931 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2135 transitions. Word has length 204 [2024-10-13 04:49:41,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:41,931 INFO L471 AbstractCegarLoop]: Abstraction has 1585 states and 2135 transitions. [2024-10-13 04:49:41,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2135 transitions. [2024-10-13 04:49:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-13 04:49:41,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:41,934 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:41,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 04:49:41,934 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:41,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:41,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1588589053, now seen corresponding path program 1 times [2024-10-13 04:49:41,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:41,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113806682] [2024-10-13 04:49:41,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:41,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:43,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:43,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:43,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113806682] [2024-10-13 04:49:43,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113806682] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:43,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:43,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 04:49:43,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109710948] [2024-10-13 04:49:43,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:43,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 04:49:43,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:43,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 04:49:43,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 04:49:43,738 INFO L87 Difference]: Start difference. First operand 1585 states and 2135 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:44,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:44,704 INFO L93 Difference]: Finished difference Result 3294 states and 4404 transitions. [2024-10-13 04:49:44,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 04:49:44,705 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-13 04:49:44,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:44,719 INFO L225 Difference]: With dead ends: 3294 [2024-10-13 04:49:44,720 INFO L226 Difference]: Without dead ends: 2093 [2024-10-13 04:49:44,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-13 04:49:44,725 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 255 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:44,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 663 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 04:49:44,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2024-10-13 04:49:44,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 1789. [2024-10-13 04:49:44,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1789 states, 1493 states have (on average 1.2558606831882118) internal successors, (1875), 1504 states have internal predecessors, (1875), 261 states have call successors, (261), 34 states have call predecessors, (261), 34 states have return successors, (261), 250 states have call predecessors, (261), 261 states have call successors, (261) [2024-10-13 04:49:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 2397 transitions. [2024-10-13 04:49:44,958 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 2397 transitions. Word has length 204 [2024-10-13 04:49:44,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:44,958 INFO L471 AbstractCegarLoop]: Abstraction has 1789 states and 2397 transitions. [2024-10-13 04:49:44,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2397 transitions. [2024-10-13 04:49:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-13 04:49:44,960 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:44,961 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:44,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 04:49:44,961 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:44,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:44,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1152397857, now seen corresponding path program 1 times [2024-10-13 04:49:44,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:44,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205065101] [2024-10-13 04:49:44,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:44,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-13 04:49:45,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:45,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205065101] [2024-10-13 04:49:45,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205065101] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 04:49:45,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557036838] [2024-10-13 04:49:45,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:45,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:49:45,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 04:49:45,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 04:49:45,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 04:49:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:45,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 04:49:45,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 04:49:46,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 482 proven. 150 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-10-13 04:49:46,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 04:49:46,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-13 04:49:46,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557036838] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 04:49:46,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 04:49:46,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 14 [2024-10-13 04:49:46,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453117296] [2024-10-13 04:49:46,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 04:49:46,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 04:49:46,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:46,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 04:49:46,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-10-13 04:49:46,427 INFO L87 Difference]: Start difference. First operand 1789 states and 2397 transitions. Second operand has 14 states, 14 states have (on average 7.5) internal successors, (105), 14 states have internal predecessors, (105), 4 states have call successors, (83), 3 states have call predecessors, (83), 5 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) [2024-10-13 04:49:47,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:47,856 INFO L93 Difference]: Finished difference Result 3255 states and 4307 transitions. [2024-10-13 04:49:47,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-13 04:49:47,857 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.5) internal successors, (105), 14 states have internal predecessors, (105), 4 states have call successors, (83), 3 states have call predecessors, (83), 5 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) Word has length 205 [2024-10-13 04:49:47,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:47,869 INFO L225 Difference]: With dead ends: 3255 [2024-10-13 04:49:47,869 INFO L226 Difference]: Without dead ends: 1827 [2024-10-13 04:49:47,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=429, Invalid=1053, Unknown=0, NotChecked=0, Total=1482 [2024-10-13 04:49:47,875 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 748 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:47,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 667 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 04:49:47,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2024-10-13 04:49:48,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1033. [2024-10-13 04:49:48,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 760 states have (on average 1.206578947368421) internal successors, (917), 765 states have internal predecessors, (917), 232 states have call successors, (232), 40 states have call predecessors, (232), 40 states have return successors, (232), 227 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-13 04:49:48,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1381 transitions. [2024-10-13 04:49:48,083 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1381 transitions. Word has length 205 [2024-10-13 04:49:48,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:48,084 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1381 transitions. [2024-10-13 04:49:48,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.5) internal successors, (105), 14 states have internal predecessors, (105), 4 states have call successors, (83), 3 states have call predecessors, (83), 5 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) [2024-10-13 04:49:48,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1381 transitions. [2024-10-13 04:49:48,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-13 04:49:48,089 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:48,089 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:48,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 04:49:48,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 04:49:48,291 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:48,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:48,291 INFO L85 PathProgramCache]: Analyzing trace with hash 244591540, now seen corresponding path program 1 times [2024-10-13 04:49:48,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:48,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669123045] [2024-10-13 04:49:48,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:48,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:52,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:52,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669123045] [2024-10-13 04:49:52,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669123045] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:52,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:52,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-13 04:49:52,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099461077] [2024-10-13 04:49:52,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:52,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 04:49:52,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:52,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 04:49:52,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-10-13 04:49:52,061 INFO L87 Difference]: Start difference. First operand 1033 states and 1381 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:56,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:49:56,047 INFO L93 Difference]: Finished difference Result 2002 states and 2633 transitions. [2024-10-13 04:49:56,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 04:49:56,048 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-10-13 04:49:56,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:49:56,056 INFO L225 Difference]: With dead ends: 2002 [2024-10-13 04:49:56,057 INFO L226 Difference]: Without dead ends: 1452 [2024-10-13 04:49:56,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2024-10-13 04:49:56,060 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 406 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-13 04:49:56,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 1141 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-13 04:49:56,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2024-10-13 04:49:56,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1054. [2024-10-13 04:49:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 781 states have (on average 1.2125480153649169) internal successors, (947), 786 states have internal predecessors, (947), 232 states have call successors, (232), 40 states have call predecessors, (232), 40 states have return successors, (232), 227 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-13 04:49:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1411 transitions. [2024-10-13 04:49:56,229 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1411 transitions. Word has length 206 [2024-10-13 04:49:56,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:49:56,230 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1411 transitions. [2024-10-13 04:49:56,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:49:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1411 transitions. [2024-10-13 04:49:56,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-13 04:49:56,232 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:49:56,232 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:49:56,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 04:49:56,232 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:49:56,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:49:56,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1749553166, now seen corresponding path program 1 times [2024-10-13 04:49:56,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:49:56,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256795906] [2024-10-13 04:49:56,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:49:56,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:49:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:49:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:49:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:49:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:49:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:49:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:49:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:49:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:49:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:49:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:49:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:49:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:49:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:49:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:49:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:49:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:49:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:49:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:49:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:49:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:49:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:49:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:49:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:49:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:49:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:49:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:49:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:49:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:49:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:49:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:49:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:49:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:49:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:49:59,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:49:59,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256795906] [2024-10-13 04:49:59,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256795906] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:49:59,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:49:59,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 04:49:59,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762528688] [2024-10-13 04:49:59,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:49:59,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 04:49:59,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:49:59,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 04:49:59,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-13 04:49:59,088 INFO L87 Difference]: Start difference. First operand 1054 states and 1411 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:50:01,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:50:01,591 INFO L93 Difference]: Finished difference Result 2046 states and 2692 transitions. [2024-10-13 04:50:01,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 04:50:01,592 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-10-13 04:50:01,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:50:01,601 INFO L225 Difference]: With dead ends: 2046 [2024-10-13 04:50:01,601 INFO L226 Difference]: Without dead ends: 1487 [2024-10-13 04:50:01,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2024-10-13 04:50:01,609 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 406 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-13 04:50:01,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 814 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-13 04:50:01,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2024-10-13 04:50:01,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1069. [2024-10-13 04:50:01,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 796 states have (on average 1.2160804020100502) internal successors, (968), 801 states have internal predecessors, (968), 232 states have call successors, (232), 40 states have call predecessors, (232), 40 states have return successors, (232), 227 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-13 04:50:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1432 transitions. [2024-10-13 04:50:01,752 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1432 transitions. Word has length 206 [2024-10-13 04:50:01,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:50:01,752 INFO L471 AbstractCegarLoop]: Abstraction has 1069 states and 1432 transitions. [2024-10-13 04:50:01,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:50:01,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1432 transitions. [2024-10-13 04:50:01,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-13 04:50:01,754 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:50:01,754 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:50:01,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-13 04:50:01,754 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:50:01,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:50:01,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1958608116, now seen corresponding path program 1 times [2024-10-13 04:50:01,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:50:01,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723419095] [2024-10-13 04:50:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:50:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:50:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:50:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:50:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:50:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:50:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:50:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:50:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:50:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:50:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:50:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:50:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:50:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:50:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:50:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:50:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:50:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:50:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:50:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:50:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:50:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:50:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:50:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:50:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:50:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:50:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:50:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:50:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:50:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:50:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:50:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:50:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:50:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:02,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:50:02,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:50:02,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723419095] [2024-10-13 04:50:02,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723419095] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:50:02,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:50:02,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 04:50:02,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078252938] [2024-10-13 04:50:02,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:50:02,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 04:50:02,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:50:02,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 04:50:02,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-13 04:50:02,317 INFO L87 Difference]: Start difference. First operand 1069 states and 1432 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-13 04:50:02,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:50:02,978 INFO L93 Difference]: Finished difference Result 1791 states and 2392 transitions. [2024-10-13 04:50:02,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 04:50:02,979 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 206 [2024-10-13 04:50:02,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:50:02,985 INFO L225 Difference]: With dead ends: 1791 [2024-10-13 04:50:02,985 INFO L226 Difference]: Without dead ends: 1077 [2024-10-13 04:50:02,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-13 04:50:02,988 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 198 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 04:50:02,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 504 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 04:50:02,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2024-10-13 04:50:03,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1053. [2024-10-13 04:50:03,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 780 states have (on average 1.2153846153846153) internal successors, (948), 785 states have internal predecessors, (948), 232 states have call successors, (232), 40 states have call predecessors, (232), 40 states have return successors, (232), 227 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-13 04:50:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1412 transitions. [2024-10-13 04:50:03,139 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1412 transitions. Word has length 206 [2024-10-13 04:50:03,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:50:03,140 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1412 transitions. [2024-10-13 04:50:03,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-13 04:50:03,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1412 transitions. [2024-10-13 04:50:03,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-13 04:50:03,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:50:03,142 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:50:03,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 04:50:03,142 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:50:03,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:50:03,142 INFO L85 PathProgramCache]: Analyzing trace with hash 667293366, now seen corresponding path program 1 times [2024-10-13 04:50:03,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:50:03,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388436269] [2024-10-13 04:50:03,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:50:03,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:50:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 04:50:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 04:50:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 04:50:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 04:50:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 04:50:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 04:50:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 04:50:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 04:50:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 04:50:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 04:50:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 04:50:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 04:50:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 04:50:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 04:50:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 04:50:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 04:50:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 04:50:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 04:50:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 04:50:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 04:50:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 04:50:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 04:50:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 04:50:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 04:50:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 04:50:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 04:50:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 04:50:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 04:50:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 04:50:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 04:50:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 04:50:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 04:50:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 04:50:07,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 04:50:07,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388436269] [2024-10-13 04:50:07,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388436269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 04:50:07,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 04:50:07,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 04:50:07,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691739462] [2024-10-13 04:50:07,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 04:50:07,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 04:50:07,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 04:50:07,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 04:50:07,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-10-13 04:50:07,683 INFO L87 Difference]: Start difference. First operand 1053 states and 1412 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:50:09,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 04:50:09,928 INFO L93 Difference]: Finished difference Result 1774 states and 2371 transitions. [2024-10-13 04:50:09,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 04:50:09,930 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-10-13 04:50:09,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 04:50:09,935 INFO L225 Difference]: With dead ends: 1774 [2024-10-13 04:50:09,935 INFO L226 Difference]: Without dead ends: 1210 [2024-10-13 04:50:09,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2024-10-13 04:50:09,938 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 306 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 04:50:09,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 568 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 04:50:09,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2024-10-13 04:50:10,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1058. [2024-10-13 04:50:10,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 785 states have (on average 1.21656050955414) internal successors, (955), 790 states have internal predecessors, (955), 232 states have call successors, (232), 40 states have call predecessors, (232), 40 states have return successors, (232), 227 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-13 04:50:10,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1419 transitions. [2024-10-13 04:50:10,125 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1419 transitions. Word has length 206 [2024-10-13 04:50:10,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 04:50:10,126 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1419 transitions. [2024-10-13 04:50:10,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 04:50:10,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1419 transitions. [2024-10-13 04:50:10,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-13 04:50:10,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 04:50:10,128 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 04:50:10,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-13 04:50:10,128 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 04:50:10,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 04:50:10,128 INFO L85 PathProgramCache]: Analyzing trace with hash 80487352, now seen corresponding path program 1 times [2024-10-13 04:50:10,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 04:50:10,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20693068] [2024-10-13 04:50:10,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 04:50:10,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 04:50:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat