./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-cn_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.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 5326c7e78fc5e18ed4f8f1ba81fdcfea4ce5d46591384cd6b4be08f47f5245c7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:14:03,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:14:03,627 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:14:03,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:14:03,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:14:03,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:14:03,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:14:03,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:14:03,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:14:03,648 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:14:03,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:14:03,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:14:03,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:14:03,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:14:03,650 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:14:03,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:14:03,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:14:03,650 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:14:03,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:14:03,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:14:03,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:14:03,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:14:03,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:14:03,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:14:03,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:14:03,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:14:03,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:14:03,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:14:03,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:14:03,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:14:03,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:14:03,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:14:03,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:14:03,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:14:03,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:14:03,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:14:03,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:14:03,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:14:03,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:14:03,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:14:03,659 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:14:03,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:14:03,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5326c7e78fc5e18ed4f8f1ba81fdcfea4ce5d46591384cd6b4be08f47f5245c7 [2024-11-20 04:14:03,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:14:03,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:14:03,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:14:03,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:14:03,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:14:03,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i [2024-11-20 04:14:05,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:14:05,439 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:14:05,439 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i [2024-11-20 04:14:05,453 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73182c2bd/8c92c357868c47cb8070a8794159737e/FLAG7e90314f3 [2024-11-20 04:14:05,787 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73182c2bd/8c92c357868c47cb8070a8794159737e [2024-11-20 04:14:05,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:14:05,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:14:05,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:14:05,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:14:05,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:14:05,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:14:05" (1/1) ... [2024-11-20 04:14:05,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7146d02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:05, skipping insertion in model container [2024-11-20 04:14:05,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:14:05" (1/1) ... [2024-11-20 04:14:05,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:14:05,997 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i[919,932] [2024-11-20 04:14:06,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:14:06,134 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:14:06,145 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i[919,932] [2024-11-20 04:14:06,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:14:06,226 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:14:06,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06 WrapperNode [2024-11-20 04:14:06,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:14:06,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:14:06,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:14:06,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:14:06,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (1/1) ... [2024-11-20 04:14:06,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (1/1) ... [2024-11-20 04:14:06,276 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239 [2024-11-20 04:14:06,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:14:06,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:14:06,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:14:06,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:14:06,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (1/1) ... [2024-11-20 04:14:06,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (1/1) ... [2024-11-20 04:14:06,292 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (1/1) ... [2024-11-20 04:14:06,313 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 04:14:06,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (1/1) ... [2024-11-20 04:14:06,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (1/1) ... [2024-11-20 04:14:06,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (1/1) ... [2024-11-20 04:14:06,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (1/1) ... [2024-11-20 04:14:06,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (1/1) ... [2024-11-20 04:14:06,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (1/1) ... [2024-11-20 04:14:06,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:14:06,342 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:14:06,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:14:06,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:14:06,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (1/1) ... [2024-11-20 04:14:06,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:14:06,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:14:06,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 04:14:06,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 04:14:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:14:06,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:14:06,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:14:06,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:14:06,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:14:06,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:14:06,519 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:14:06,520 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:14:06,904 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-20 04:14:06,905 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:14:06,918 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:14:06,920 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:14:06,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:14:06 BoogieIcfgContainer [2024-11-20 04:14:06,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:14:06,922 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:14:06,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:14:06,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:14:06,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:14:05" (1/3) ... [2024-11-20 04:14:06,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66723066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:14:06, skipping insertion in model container [2024-11-20 04:14:06,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:14:06" (2/3) ... [2024-11-20 04:14:06,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66723066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:14:06, skipping insertion in model container [2024-11-20 04:14:06,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:14:06" (3/3) ... [2024-11-20 04:14:06,927 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i [2024-11-20 04:14:06,940 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:14:06,940 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:14:06,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:14:06,991 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;@6cd3df6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:14:06,991 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:14:06,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 63 states have (on average 1.380952380952381) internal successors, (87), 64 states have internal predecessors, (87), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-20 04:14:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-20 04:14:07,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:14:07,010 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:14:07,011 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:14:07,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:14:07,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1376965240, now seen corresponding path program 1 times [2024-11-20 04:14:07,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:14:07,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536333130] [2024-11-20 04:14:07,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:14:07,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:14:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:14:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:14:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:14:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:14:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:14:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:14:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:14:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:14:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:14:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:14:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:14:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:14:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:14:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:14:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:14:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:14:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:14:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:14:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:14:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:14:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:14:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:14:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 04:14:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:14:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:14:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:14:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:14:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:14:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:14:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:14:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:14:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:14:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:14:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:14:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:14:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:14:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:14:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:14:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 04:14:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:14:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 04:14:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-20 04:14:07,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:14:07,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536333130] [2024-11-20 04:14:07,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536333130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:14:07,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:14:07,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:14:07,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586460239] [2024-11-20 04:14:07,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:14:07,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:14:07,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:14:07,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:14:07,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:14:07,596 INFO L87 Difference]: Start difference. First operand has 107 states, 63 states have (on average 1.380952380952381) internal successors, (87), 64 states have internal predecessors, (87), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-20 04:14:07,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:14:07,681 INFO L93 Difference]: Finished difference Result 207 states and 373 transitions. [2024-11-20 04:14:07,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:14:07,683 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) Word has length 255 [2024-11-20 04:14:07,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:14:07,690 INFO L225 Difference]: With dead ends: 207 [2024-11-20 04:14:07,691 INFO L226 Difference]: Without dead ends: 103 [2024-11-20 04:14:07,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:14:07,700 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:14:07,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:14:07,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-20 04:14:07,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-20 04:14:07,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 60 states have internal predecessors, (80), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-20 04:14:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 162 transitions. [2024-11-20 04:14:07,754 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 162 transitions. Word has length 255 [2024-11-20 04:14:07,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:14:07,755 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 162 transitions. [2024-11-20 04:14:07,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-20 04:14:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2024-11-20 04:14:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-20 04:14:07,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:14:07,761 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:14:07,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:14:07,762 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:14:07,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:14:07,762 INFO L85 PathProgramCache]: Analyzing trace with hash 524619282, now seen corresponding path program 1 times [2024-11-20 04:14:07,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:14:07,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730971561] [2024-11-20 04:14:07,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:14:07,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:14:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:14:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:14:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:14:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:14:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:07,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:14:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:14:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:14:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:14:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:14:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:14:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:14:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:14:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:14:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:14:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:14:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:14:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:14:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:14:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:14:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:14:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:14:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:14:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 04:14:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:14:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:14:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:14:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:14:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:14:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:14:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:14:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:14:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:14:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:14:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:14:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:14:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:14:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:14:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:14:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 04:14:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:14:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 04:14:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-20 04:14:08,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:14:08,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730971561] [2024-11-20 04:14:08,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730971561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:14:08,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:14:08,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:14:08,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323225505] [2024-11-20 04:14:08,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:14:08,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:14:08,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:14:08,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:14:08,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:14:08,124 INFO L87 Difference]: Start difference. First operand 103 states and 162 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-20 04:14:08,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:14:08,168 INFO L93 Difference]: Finished difference Result 300 states and 474 transitions. [2024-11-20 04:14:08,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:14:08,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 255 [2024-11-20 04:14:08,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:14:08,172 INFO L225 Difference]: With dead ends: 300 [2024-11-20 04:14:08,172 INFO L226 Difference]: Without dead ends: 200 [2024-11-20 04:14:08,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:14:08,174 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 151 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:14:08,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 311 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:14:08,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-20 04:14:08,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 198. [2024-11-20 04:14:08,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 113 states have (on average 1.3008849557522124) internal successors, (147), 113 states have internal predecessors, (147), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-20 04:14:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 311 transitions. [2024-11-20 04:14:08,214 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 311 transitions. Word has length 255 [2024-11-20 04:14:08,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:14:08,215 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 311 transitions. [2024-11-20 04:14:08,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-20 04:14:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 311 transitions. [2024-11-20 04:14:08,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-20 04:14:08,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:14:08,221 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:14:08,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:14:08,221 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:14:08,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:14:08,222 INFO L85 PathProgramCache]: Analyzing trace with hash 183277110, now seen corresponding path program 1 times [2024-11-20 04:14:08,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:14:08,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249963746] [2024-11-20 04:14:08,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:14:08,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:14:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:14:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:14:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:14:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:14:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:14:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:14:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:14:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:14:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:14:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:14:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:14:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:14:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:14:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:14:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:14:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:14:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:14:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:14:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:14:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:14:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:14:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:14:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 04:14:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:14:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:14:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:14:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:14:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:14:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:14:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:14:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:14:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:14:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:14:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:14:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:14:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:14:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:14:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:14:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 04:14:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:14:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 04:14:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:08,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-20 04:14:08,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:14:08,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249963746] [2024-11-20 04:14:08,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249963746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:14:08,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:14:08,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:14:08,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260913185] [2024-11-20 04:14:08,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:14:08,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:14:08,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:14:08,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:14:08,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:14:08,462 INFO L87 Difference]: Start difference. First operand 198 states and 311 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-20 04:14:08,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:14:08,513 INFO L93 Difference]: Finished difference Result 477 states and 746 transitions. [2024-11-20 04:14:08,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:14:08,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 256 [2024-11-20 04:14:08,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:14:08,517 INFO L225 Difference]: With dead ends: 477 [2024-11-20 04:14:08,520 INFO L226 Difference]: Without dead ends: 282 [2024-11-20 04:14:08,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:14:08,522 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 67 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:14:08,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 321 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:14:08,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-20 04:14:08,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 278. [2024-11-20 04:14:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 159 states have (on average 1.2893081761006289) internal successors, (205), 161 states have internal predecessors, (205), 114 states have call successors, (114), 4 states have call predecessors, (114), 4 states have return successors, (114), 112 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-20 04:14:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 433 transitions. [2024-11-20 04:14:08,553 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 433 transitions. Word has length 256 [2024-11-20 04:14:08,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:14:08,555 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 433 transitions. [2024-11-20 04:14:08,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-20 04:14:08,558 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 433 transitions. [2024-11-20 04:14:08,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-20 04:14:08,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:14:08,561 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:14:08,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:14:08,561 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:14:08,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:14:08,563 INFO L85 PathProgramCache]: Analyzing trace with hash 441442548, now seen corresponding path program 1 times [2024-11-20 04:14:08,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:14:08,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096364334] [2024-11-20 04:14:08,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:14:08,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:14:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:14:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:14:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:14:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:14:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:14:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:14:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:14:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:14:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:14:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:14:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:14:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:14:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:14:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:14:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:14:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:14:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:14:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:14:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:14:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:14:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:14:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:14:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 04:14:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:14:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:14:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:14:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:14:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:14:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:14:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:14:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:14:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:14:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:14:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:14:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:14:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:14:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:14:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:14:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 04:14:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:14:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 04:14:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:21,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-20 04:14:21,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:14:21,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096364334] [2024-11-20 04:14:21,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096364334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:14:21,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:14:21,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:14:21,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945802009] [2024-11-20 04:14:21,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:14:21,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:14:21,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:14:21,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:14:21,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:14:21,416 INFO L87 Difference]: Start difference. First operand 278 states and 433 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-20 04:14:22,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:14:22,049 INFO L93 Difference]: Finished difference Result 830 states and 1272 transitions. [2024-11-20 04:14:22,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:14:22,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 256 [2024-11-20 04:14:22,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:14:22,055 INFO L225 Difference]: With dead ends: 830 [2024-11-20 04:14:22,055 INFO L226 Difference]: Without dead ends: 555 [2024-11-20 04:14:22,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:14:22,057 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 135 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 04:14:22,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 682 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 04:14:22,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-20 04:14:22,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 424. [2024-11-20 04:14:22,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 269 states have (on average 1.338289962825279) internal successors, (360), 275 states have internal predecessors, (360), 146 states have call successors, (146), 8 states have call predecessors, (146), 8 states have return successors, (146), 140 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-20 04:14:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 652 transitions. [2024-11-20 04:14:22,116 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 652 transitions. Word has length 256 [2024-11-20 04:14:22,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:14:22,117 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 652 transitions. [2024-11-20 04:14:22,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-20 04:14:22,118 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 652 transitions. [2024-11-20 04:14:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-20 04:14:22,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:14:22,125 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:14:22,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 04:14:22,126 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:14:22,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:14:22,126 INFO L85 PathProgramCache]: Analyzing trace with hash -579625806, now seen corresponding path program 1 times [2024-11-20 04:14:22,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:14:22,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817557930] [2024-11-20 04:14:22,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:14:22,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:14:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:14:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:14:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:14:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:14:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:14:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:14:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:14:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:14:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:14:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:14:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:14:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:14:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:14:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:14:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:14:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:14:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:14:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:14:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:14:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:14:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:14:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:14:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 04:14:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:14:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:14:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:14:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:14:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:14:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:14:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:14:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:14:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:14:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:14:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:14:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:14:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:14:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:14:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:14:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 04:14:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:14:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 04:14:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-20 04:14:24,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:14:24,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817557930] [2024-11-20 04:14:24,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817557930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:14:24,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:14:24,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:14:24,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734167499] [2024-11-20 04:14:24,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:14:24,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:14:24,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:14:24,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:14:24,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:14:24,211 INFO L87 Difference]: Start difference. First operand 424 states and 652 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-20 04:14:24,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:14:24,490 INFO L93 Difference]: Finished difference Result 976 states and 1490 transitions. [2024-11-20 04:14:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 04:14:24,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 256 [2024-11-20 04:14:24,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:14:24,494 INFO L225 Difference]: With dead ends: 976 [2024-11-20 04:14:24,494 INFO L226 Difference]: Without dead ends: 555 [2024-11-20 04:14:24,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:14:24,496 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 154 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:14:24,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 548 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:14:24,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-20 04:14:24,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 419. [2024-11-20 04:14:24,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 264 states have (on average 1.3371212121212122) internal successors, (353), 270 states have internal predecessors, (353), 146 states have call successors, (146), 8 states have call predecessors, (146), 8 states have return successors, (146), 140 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-20 04:14:24,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 645 transitions. [2024-11-20 04:14:24,548 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 645 transitions. Word has length 256 [2024-11-20 04:14:24,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:14:24,549 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 645 transitions. [2024-11-20 04:14:24,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-20 04:14:24,549 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 645 transitions. [2024-11-20 04:14:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-20 04:14:24,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:14:24,551 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:14:24,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 04:14:24,551 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:14:24,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:14:24,552 INFO L85 PathProgramCache]: Analyzing trace with hash 2084302332, now seen corresponding path program 1 times [2024-11-20 04:14:24,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:14:24,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604110643] [2024-11-20 04:14:24,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:14:24,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:14:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:14:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:14:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:14:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:14:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:14:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:14:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:14:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:14:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:14:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:14:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:14:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:14:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:14:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:14:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:14:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:14:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:14:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:14:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:14:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:14:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:14:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:14:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 04:14:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:14:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:14:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:14:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:14:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 04:14:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 04:14:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:14:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-20 04:14:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:14:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:14:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:14:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:14:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:14:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:14:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:14:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-20 04:14:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:14:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-20 04:14:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:14:24,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-20 04:14:24,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:14:24,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604110643] [2024-11-20 04:14:24,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604110643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:14:24,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:14:24,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:14:24,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566780399] [2024-11-20 04:14:24,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:14:24,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:14:24,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:14:24,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:14:24,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:14:24,810 INFO L87 Difference]: Start difference. First operand 419 states and 645 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-20 04:14:24,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:14:24,984 INFO L93 Difference]: Finished difference Result 1251 states and 1929 transitions. [2024-11-20 04:14:24,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:14:24,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 256 [2024-11-20 04:14:24,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:14:24,994 INFO L225 Difference]: With dead ends: 1251 [2024-11-20 04:14:24,994 INFO L226 Difference]: Without dead ends: 835 [2024-11-20 04:14:24,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:14:25,000 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 72 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:14:25,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 314 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:14:25,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-11-20 04:14:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 829. [2024-11-20 04:14:25,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 520 states have (on average 1.3192307692307692) internal successors, (686), 532 states have internal predecessors, (686), 292 states have call successors, (292), 16 states have call predecessors, (292), 16 states have return successors, (292), 280 states have call predecessors, (292), 292 states have call successors, (292) [2024-11-20 04:14:25,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1270 transitions. [2024-11-20 04:14:25,116 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1270 transitions. Word has length 256 [2024-11-20 04:14:25,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:14:25,117 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1270 transitions. [2024-11-20 04:14:25,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-20 04:14:25,117 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1270 transitions. [2024-11-20 04:14:25,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-20 04:14:25,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:14:25,118 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:14:25,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 04:14:25,119 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:14:25,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:14:25,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2027044030, now seen corresponding path program 1 times [2024-11-20 04:14:25,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:14:25,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474840083] [2024-11-20 04:14:25,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:14:25,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:14:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat