./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0b041aa2b39223b19922ade0fcc5fbdd940e679150ec973bead00d3f56ba2c8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:03:25,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:03:25,240 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:03:25,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:03:25,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:03:25,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:03:25,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:03:25,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:03:25,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:03:25,279 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:03:25,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:03:25,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:03:25,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:03:25,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:03:25,280 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:03:25,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:03:25,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:03:25,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:03:25,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:03:25,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:03:25,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:03:25,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:03:25,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:03:25,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:03:25,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:03:25,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:03:25,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:03:25,284 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:03:25,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:03:25,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:03:25,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:03:25,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:03:25,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:03:25,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:03:25,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:03:25,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:03:25,286 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:03:25,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:03:25,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:03:25,286 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:03:25,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:03:25,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:03:25,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b041aa2b39223b19922ade0fcc5fbdd940e679150ec973bead00d3f56ba2c8 [2024-10-13 02:03:25,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:03:25,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:03:25,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:03:25,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:03:25,507 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:03:25,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2024-10-13 02:03:26,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:03:27,056 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:03:27,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2024-10-13 02:03:27,072 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/625943b0c/3170ea63742d46088581b2daf63458e2/FLAG88e834c4e [2024-10-13 02:03:27,434 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/625943b0c/3170ea63742d46088581b2daf63458e2 [2024-10-13 02:03:27,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:03:27,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:03:27,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:03:27,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:03:27,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:03:27,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcf50c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27, skipping insertion in model container [2024-10-13 02:03:27,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,474 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:03:27,599 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i[919,932] [2024-10-13 02:03:27,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:03:27,705 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:03:27,714 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i[919,932] [2024-10-13 02:03:27,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:03:27,768 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:03:27,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27 WrapperNode [2024-10-13 02:03:27,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:03:27,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:03:27,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:03:27,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:03:27,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,825 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 302 [2024-10-13 02:03:27,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:03:27,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:03:27,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:03:27,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:03:27,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,846 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,868 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 02:03:27,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:03:27,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:03:27,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:03:27,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:03:27,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (1/1) ... [2024-10-13 02:03:27,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:03:27,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:03:27,964 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 02:03:27,977 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 02:03:28,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:03:28,039 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:03:28,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:03:28,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:03:28,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:03:28,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:03:28,139 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:03:28,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:03:28,530 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-13 02:03:28,530 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:03:28,572 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:03:28,572 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:03:28,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:03:28 BoogieIcfgContainer [2024-10-13 02:03:28,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:03:28,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:03:28,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:03:28,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:03:28,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:03:27" (1/3) ... [2024-10-13 02:03:28,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6349e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:03:28, skipping insertion in model container [2024-10-13 02:03:28,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:03:27" (2/3) ... [2024-10-13 02:03:28,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6349e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:03:28, skipping insertion in model container [2024-10-13 02:03:28,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:03:28" (3/3) ... [2024-10-13 02:03:28,582 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2024-10-13 02:03:28,596 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:03:28,596 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:03:28,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:03:28,676 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;@147182e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:03:28,676 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:03:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-13 02:03:28,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-13 02:03:28,705 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:03:28,706 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:03:28,706 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:03:28,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:03:28,712 INFO L85 PathProgramCache]: Analyzing trace with hash -254003403, now seen corresponding path program 1 times [2024-10-13 02:03:28,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:03:28,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914709128] [2024-10-13 02:03:28,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:03:28,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:03:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:03:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:03:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:03:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:03:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:03:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:03:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:03:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:03:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:03:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:03:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:03:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:03:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:03:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:03:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:03:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:03:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:03:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:03:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:03:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:03:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:03:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:03:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:03:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:03:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:03:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:03:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:03:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:03:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:03:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:03:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:03:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:03:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:03:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:03:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:03:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:03:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 02:03:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:03:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 02:03:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:03:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 02:03:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:03:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 02:03:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 02:03:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 02:03:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:03:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 02:03:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 02:03:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 02:03:29,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:03:29,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914709128] [2024-10-13 02:03:29,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914709128] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:03:29,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:03:29,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 02:03:29,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713241050] [2024-10-13 02:03:29,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:03:29,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 02:03:29,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:03:29,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 02:03:29,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:03:29,342 INFO L87 Difference]: Start difference. First operand has 125 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-13 02:03:29,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:03:29,388 INFO L93 Difference]: Finished difference Result 247 states and 454 transitions. [2024-10-13 02:03:29,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 02:03:29,395 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 291 [2024-10-13 02:03:29,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:03:29,406 INFO L225 Difference]: With dead ends: 247 [2024-10-13 02:03:29,408 INFO L226 Difference]: Without dead ends: 123 [2024-10-13 02:03:29,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 02:03:29,418 INFO L432 NwaCegarLoop]: 196 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, 196 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 02:03:29,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 196 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:03:29,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-13 02:03:29,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-10-13 02:03:29,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 73 states have internal predecessors, (103), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-13 02:03:29,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 199 transitions. [2024-10-13 02:03:29,467 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 199 transitions. Word has length 291 [2024-10-13 02:03:29,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:03:29,467 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 199 transitions. [2024-10-13 02:03:29,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-13 02:03:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 199 transitions. [2024-10-13 02:03:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-13 02:03:29,472 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:03:29,473 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:03:29,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:03:29,473 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:03:29,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:03:29,474 INFO L85 PathProgramCache]: Analyzing trace with hash -328276163, now seen corresponding path program 1 times [2024-10-13 02:03:29,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:03:29,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237132899] [2024-10-13 02:03:29,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:03:29,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:03:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:30,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:03:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:30,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:03:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:30,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:03:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:30,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:03:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:30,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:03:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:30,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:03:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:30,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:03:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:30,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:03:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:30,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:03:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:30,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:03:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:30,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:03:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:03:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:03:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:03:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:03:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:03:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:03:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:03:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:03:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:03:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:03:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:03:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:03:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:03:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:03:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:03:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:03:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:03:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:03:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:03:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:03:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:03:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:03:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:03:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:03:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:03:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 02:03:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:03:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 02:03:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:03:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 02:03:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:03:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 02:03:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 02:03:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 02:03:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:03:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 02:03:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 02:03:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 02:03:31,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:03:31,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237132899] [2024-10-13 02:03:31,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237132899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:03:31,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:03:31,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 02:03:31,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022347346] [2024-10-13 02:03:31,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:03:31,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 02:03:31,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:03:31,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 02:03:31,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:03:31,257 INFO L87 Difference]: Start difference. First operand 123 states and 199 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:03:32,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:03:32,053 INFO L93 Difference]: Finished difference Result 368 states and 596 transitions. [2024-10-13 02:03:32,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 02:03:32,054 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), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-13 02:03:32,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:03:32,060 INFO L225 Difference]: With dead ends: 368 [2024-10-13 02:03:32,061 INFO L226 Difference]: Without dead ends: 246 [2024-10-13 02:03:32,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-10-13 02:03:32,063 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 178 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:03:32,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 787 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:03:32,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-10-13 02:03:32,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 207. [2024-10-13 02:03:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 108 states have (on average 1.3055555555555556) internal successors, (141), 108 states have internal predecessors, (141), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 02:03:32,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 333 transitions. [2024-10-13 02:03:32,111 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 333 transitions. Word has length 291 [2024-10-13 02:03:32,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:03:32,112 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 333 transitions. [2024-10-13 02:03:32,112 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), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:03:32,112 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 333 transitions. [2024-10-13 02:03:32,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-13 02:03:32,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:03:32,116 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:03:32,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 02:03:32,116 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:03:32,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:03:32,116 INFO L85 PathProgramCache]: Analyzing trace with hash 489372287, now seen corresponding path program 1 times [2024-10-13 02:03:32,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:03:32,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877059219] [2024-10-13 02:03:32,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:03:32,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:03:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:03:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:03:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:03:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:03:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:03:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:03:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:03:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:03:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:03:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:03:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:03:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:03:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:03:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:03:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:03:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:03:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:03:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:03:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:03:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:03:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:03:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:03:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:03:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:03:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:03:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:03:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:03:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:03:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:03:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:03:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:03:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:03:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:03:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:03:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:03:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:03:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 02:03:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:03:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 02:03:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:03:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 02:03:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:03:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 02:03:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 02:03:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 02:03:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:03:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 02:03:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 02:03:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:50,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 02:03:50,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:03:50,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877059219] [2024-10-13 02:03:50,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877059219] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:03:50,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:03:50,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 02:03:50,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460596424] [2024-10-13 02:03:50,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:03:50,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 02:03:50,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:03:50,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 02:03:50,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-13 02:03:50,784 INFO L87 Difference]: Start difference. First operand 207 states and 333 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:03:54,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:03:54,664 INFO L93 Difference]: Finished difference Result 526 states and 851 transitions. [2024-10-13 02:03:54,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 02:03:54,664 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-13 02:03:54,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:03:54,667 INFO L225 Difference]: With dead ends: 526 [2024-10-13 02:03:54,668 INFO L226 Difference]: Without dead ends: 404 [2024-10-13 02:03:54,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2024-10-13 02:03:54,669 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 1356 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:03:54,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 1041 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 02:03:54,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-10-13 02:03:54,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 239. [2024-10-13 02:03:54,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 140 states have (on average 1.3928571428571428) internal successors, (195), 140 states have internal predecessors, (195), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 02:03:54,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 387 transitions. [2024-10-13 02:03:54,707 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 387 transitions. Word has length 291 [2024-10-13 02:03:54,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:03:54,708 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 387 transitions. [2024-10-13 02:03:54,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:03:54,708 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 387 transitions. [2024-10-13 02:03:54,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-13 02:03:54,711 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:03:54,712 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:03:54,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 02:03:54,712 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:03:54,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:03:54,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1504772419, now seen corresponding path program 1 times [2024-10-13 02:03:54,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:03:54,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187674927] [2024-10-13 02:03:54,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:03:54,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:03:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:03:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:03:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:03:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:03:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:03:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:03:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:03:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:03:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:03:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:03:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:03:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:03:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:03:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:03:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:03:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:03:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:03:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:03:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:03:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:03:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:03:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:03:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:03:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:03:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:03:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:03:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:03:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:03:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:03:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:03:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:03:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:03:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:03:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:03:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:03:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:03:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 02:03:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:03:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 02:03:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:03:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 02:03:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:03:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 02:03:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 02:03:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:54,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 02:03:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:55,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:03:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:55,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 02:03:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:55,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 02:03:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:03:55,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 02:03:55,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:03:55,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187674927] [2024-10-13 02:03:55,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187674927] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:03:55,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:03:55,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:03:55,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503192111] [2024-10-13 02:03:55,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:03:55,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:03:55,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:03:55,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:03:55,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:03:55,010 INFO L87 Difference]: Start difference. First operand 239 states and 387 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:03:55,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:03:55,076 INFO L93 Difference]: Finished difference Result 415 states and 669 transitions. [2024-10-13 02:03:55,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 02:03:55,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-13 02:03:55,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:03:55,080 INFO L225 Difference]: With dead ends: 415 [2024-10-13 02:03:55,081 INFO L226 Difference]: Without dead ends: 293 [2024-10-13 02:03:55,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 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 02:03:55,083 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 75 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:03:55,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 577 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:03:55,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-13 02:03:55,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 290. [2024-10-13 02:03:55,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 186 states have (on average 1.4301075268817205) internal successors, (266), 187 states have internal predecessors, (266), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 02:03:55,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 466 transitions. [2024-10-13 02:03:55,113 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 466 transitions. Word has length 291 [2024-10-13 02:03:55,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:03:55,115 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 466 transitions. [2024-10-13 02:03:55,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:03:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 466 transitions. [2024-10-13 02:03:55,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-13 02:03:55,117 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:03:55,118 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:03:55,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 02:03:55,118 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:03:55,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:03:55,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1199571455, now seen corresponding path program 1 times [2024-10-13 02:03:55,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:03:55,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053304653] [2024-10-13 02:03:55,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:03:55,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:03:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:04:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:04:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:04:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:04:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:04:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:04:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:04:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:04:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:04:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:04:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:04:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:04:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:04:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:04:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:04:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:04:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:04:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 02:04:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:04:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 02:04:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:04:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 02:04:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:04:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 02:04:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 02:04:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 02:04:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:04:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 02:04:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 02:04:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:08,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 02:04:08,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:08,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053304653] [2024-10-13 02:04:08,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053304653] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:08,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:08,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 02:04:08,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45071856] [2024-10-13 02:04:08,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:08,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 02:04:08,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:08,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 02:04:08,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-13 02:04:08,397 INFO L87 Difference]: Start difference. First operand 290 states and 466 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, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:04:11,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:11,448 INFO L93 Difference]: Finished difference Result 612 states and 986 transitions. [2024-10-13 02:04:11,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 02:04:11,448 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, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-13 02:04:11,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:11,452 INFO L225 Difference]: With dead ends: 612 [2024-10-13 02:04:11,456 INFO L226 Difference]: Without dead ends: 441 [2024-10-13 02:04:11,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2024-10-13 02:04:11,458 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 706 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:11,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 990 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-13 02:04:11,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-13 02:04:11,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 290. [2024-10-13 02:04:11,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 186 states have (on average 1.4301075268817205) internal successors, (266), 187 states have internal predecessors, (266), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 02:04:11,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 466 transitions. [2024-10-13 02:04:11,490 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 466 transitions. Word has length 291 [2024-10-13 02:04:11,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:11,491 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 466 transitions. [2024-10-13 02:04:11,492 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, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:04:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 466 transitions. [2024-10-13 02:04:11,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-13 02:04:11,496 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:11,496 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:11,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 02:04:11,496 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:11,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:11,497 INFO L85 PathProgramCache]: Analyzing trace with hash 708227005, now seen corresponding path program 1 times [2024-10-13 02:04:11,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:11,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013090333] [2024-10-13 02:04:11,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:11,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:04:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:04:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:04:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:04:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:04:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:04:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:04:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:04:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:04:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:04:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:04:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:04:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:04:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:04:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:04:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:04:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:04:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 02:04:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:04:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 02:04:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:04:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 02:04:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:04:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 02:04:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 02:04:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 02:04:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:04:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 02:04:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 02:04:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:20,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 02:04:20,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:20,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013090333] [2024-10-13 02:04:20,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013090333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:20,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:20,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 02:04:20,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88664260] [2024-10-13 02:04:20,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:20,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 02:04:20,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:20,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 02:04:20,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-13 02:04:20,653 INFO L87 Difference]: Start difference. First operand 290 states and 466 transitions. Second operand has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:04:22,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:22,410 INFO L93 Difference]: Finished difference Result 640 states and 1033 transitions. [2024-10-13 02:04:22,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 02:04:22,411 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-13 02:04:22,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:22,414 INFO L225 Difference]: With dead ends: 640 [2024-10-13 02:04:22,415 INFO L226 Difference]: Without dead ends: 469 [2024-10-13 02:04:22,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-10-13 02:04:22,418 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 594 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:22,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 795 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 02:04:22,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-10-13 02:04:22,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 291. [2024-10-13 02:04:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 187 states have (on average 1.4331550802139037) internal successors, (268), 188 states have internal predecessors, (268), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 02:04:22,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 468 transitions. [2024-10-13 02:04:22,452 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 468 transitions. Word has length 291 [2024-10-13 02:04:22,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:22,454 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 468 transitions. [2024-10-13 02:04:22,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 11 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:04:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 468 transitions. [2024-10-13 02:04:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-13 02:04:22,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:22,459 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:22,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 02:04:22,459 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:22,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:22,460 INFO L85 PathProgramCache]: Analyzing trace with hash -980716737, now seen corresponding path program 1 times [2024-10-13 02:04:22,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:22,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489385681] [2024-10-13 02:04:22,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:22,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:04:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:04:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:35,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:04:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:04:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:04:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:04:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:04:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:04:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:04:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:04:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:04:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:04:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:04:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:04:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:04:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:04:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:04:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 02:04:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:04:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 02:04:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:04:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 02:04:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:04:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 02:04:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 02:04:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 02:04:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:04:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 02:04:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 02:04:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:36,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 02:04:36,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:36,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489385681] [2024-10-13 02:04:36,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489385681] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:36,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:36,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 02:04:36,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560096076] [2024-10-13 02:04:36,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:36,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 02:04:36,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:36,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 02:04:36,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-13 02:04:36,063 INFO L87 Difference]: Start difference. First operand 291 states and 468 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:04:39,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:39,527 INFO L93 Difference]: Finished difference Result 612 states and 985 transitions. [2024-10-13 02:04:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 02:04:39,528 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-13 02:04:39,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:39,530 INFO L225 Difference]: With dead ends: 612 [2024-10-13 02:04:39,531 INFO L226 Difference]: Without dead ends: 441 [2024-10-13 02:04:39,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2024-10-13 02:04:39,536 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 471 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:39,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 1208 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-13 02:04:39,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-13 02:04:39,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 288. [2024-10-13 02:04:39,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 184 states have (on average 1.434782608695652) internal successors, (264), 185 states have internal predecessors, (264), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 02:04:39,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 464 transitions. [2024-10-13 02:04:39,561 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 464 transitions. Word has length 291 [2024-10-13 02:04:39,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:39,562 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 464 transitions. [2024-10-13 02:04:39,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:04:39,563 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 464 transitions. [2024-10-13 02:04:39,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-13 02:04:39,567 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:39,567 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:39,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 02:04:39,567 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:39,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:39,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1195736057, now seen corresponding path program 1 times [2024-10-13 02:04:39,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:39,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794006528] [2024-10-13 02:04:39,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:39,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:04:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:04:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:04:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:04:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:04:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:04:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:04:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:04:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:04:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:04:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:04:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:04:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:04:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:04:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:04:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:04:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:04:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 02:04:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:04:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 02:04:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:04:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 02:04:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:04:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 02:04:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 02:04:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 02:04:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:04:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-13 02:04:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 02:04:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:51,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 02:04:51,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:51,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794006528] [2024-10-13 02:04:51,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794006528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:51,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:51,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 02:04:51,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42435199] [2024-10-13 02:04:51,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:51,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 02:04:51,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:51,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 02:04:51,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 02:04:51,168 INFO L87 Difference]: Start difference. First operand 288 states and 464 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:04:51,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:51,943 INFO L93 Difference]: Finished difference Result 748 states and 1214 transitions. [2024-10-13 02:04:51,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 02:04:51,943 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 292 [2024-10-13 02:04:51,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:51,947 INFO L225 Difference]: With dead ends: 748 [2024-10-13 02:04:51,947 INFO L226 Difference]: Without dead ends: 577 [2024-10-13 02:04:51,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-13 02:04:51,950 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 738 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:51,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 799 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:04:51,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-10-13 02:04:51,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 297. [2024-10-13 02:04:51,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 193 states have (on average 1.4455958549222798) internal successors, (279), 194 states have internal predecessors, (279), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 02:04:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 479 transitions. [2024-10-13 02:04:51,976 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 479 transitions. Word has length 292 [2024-10-13 02:04:51,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:51,977 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 479 transitions. [2024-10-13 02:04:51,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 02:04:51,977 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 479 transitions. [2024-10-13 02:04:51,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-13 02:04:51,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:51,983 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:51,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 02:04:51,983 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:51,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:51,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1105086533, now seen corresponding path program 1 times [2024-10-13 02:04:51,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:51,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024152524] [2024-10-13 02:04:51,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:51,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat