./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-10.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-10.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 eed477ccc68b44369a2767c3ea5b70be7a75a8c2370f374d3c3760022cb8d072 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:09:52,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:09:52,301 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:09:52,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:09:52,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:09:52,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:09:52,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:09:52,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:09:52,345 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:09:52,345 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:09:52,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:09:52,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:09:52,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:09:52,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:09:52,349 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:09:52,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:09:52,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:09:52,350 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:09:52,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:09:52,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:09:52,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:09:52,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:09:52,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:09:52,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:09:52,356 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:09:52,356 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:09:52,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:09:52,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:09:52,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:09:52,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:09:52,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:09:52,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:09:52,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:09:52,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:09:52,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:09:52,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:09:52,358 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:09:52,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:09:52,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:09:52,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:09:52,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:09:52,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:09:52,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed477ccc68b44369a2767c3ea5b70be7a75a8c2370f374d3c3760022cb8d072 [2024-11-20 04:09:52,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:09:52,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:09:52,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:09:52,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:09:52,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:09:52,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-11-20 04:09:54,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:09:54,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:09:54,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-11-20 04:09:54,463 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ace299f/2e84f1e5147945c894f02b7422cb57f9/FLAG6a6a27144 [2024-11-20 04:09:54,760 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ace299f/2e84f1e5147945c894f02b7422cb57f9 [2024-11-20 04:09:54,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:09:54,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:09:54,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:09:54,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:09:54,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:09:54,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:09:54" (1/1) ... [2024-11-20 04:09:54,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47295332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:54, skipping insertion in model container [2024-11-20 04:09:54,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:09:54" (1/1) ... [2024-11-20 04:09:54,805 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:09:54,976 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-10.i[919,932] [2024-11-20 04:09:55,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:09:55,082 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:09:55,092 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-10.i[919,932] [2024-11-20 04:09:55,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:09:55,162 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:09:55,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55 WrapperNode [2024-11-20 04:09:55,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:09:55,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:09:55,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:09:55,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:09:55,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (1/1) ... [2024-11-20 04:09:55,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (1/1) ... [2024-11-20 04:09:55,245 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 337 [2024-11-20 04:09:55,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:09:55,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:09:55,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:09:55,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:09:55,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (1/1) ... [2024-11-20 04:09:55,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (1/1) ... [2024-11-20 04:09:55,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (1/1) ... [2024-11-20 04:09:55,287 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 04:09:55,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (1/1) ... [2024-11-20 04:09:55,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (1/1) ... [2024-11-20 04:09:55,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (1/1) ... [2024-11-20 04:09:55,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (1/1) ... [2024-11-20 04:09:55,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (1/1) ... [2024-11-20 04:09:55,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (1/1) ... [2024-11-20 04:09:55,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:09:55,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:09:55,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:09:55,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:09:55,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (1/1) ... [2024-11-20 04:09:55,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:09:55,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:09:55,380 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 04:09:55,387 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 04:09:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:09:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:09:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:09:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:09:55,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:09:55,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:09:55,550 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:09:55,553 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:09:56,201 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-20 04:09:56,201 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:09:56,216 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:09:56,217 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:09:56,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:09:56 BoogieIcfgContainer [2024-11-20 04:09:56,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:09:56,219 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:09:56,219 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:09:56,222 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:09:56,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:09:54" (1/3) ... [2024-11-20 04:09:56,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c6b243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:09:56, skipping insertion in model container [2024-11-20 04:09:56,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:09:55" (2/3) ... [2024-11-20 04:09:56,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c6b243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:09:56, skipping insertion in model container [2024-11-20 04:09:56,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:09:56" (3/3) ... [2024-11-20 04:09:56,225 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-11-20 04:09:56,242 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:09:56,242 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:09:56,307 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:09:56,315 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;@61253244, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:09:56,315 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:09:56,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 97 states have internal predecessors, (136), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-20 04:09:56,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 04:09:56,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:09:56,340 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:09:56,340 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:09:56,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:09:56,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1154153178, now seen corresponding path program 1 times [2024-11-20 04:09:56,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:09:56,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508413498] [2024-11-20 04:09:56,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:09:56,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:09:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:09:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:09:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:09:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:09:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:09:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:09:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:09:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:09:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:09:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:09:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:09:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:09:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:09:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:09:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:09:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:09:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:09:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:09:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:09:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:09:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:09:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:09:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:09:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:09:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:09:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:09:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:09:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 04:09:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:09:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:09:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:09:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:09:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:09:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:09:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:09:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:09:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:56,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 04:09:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:09:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-20 04:09:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:09:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-20 04:09:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-20 04:09:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 04:09:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-20 04:09:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-20 04:09:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 04:09:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-20 04:09:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 04:09:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 04:09:57,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:09:57,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508413498] [2024-11-20 04:09:57,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508413498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:09:57,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:09:57,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:09:57,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089814000] [2024-11-20 04:09:57,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:09:57,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:09:57,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:09:57,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:09:57,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:09:57,120 INFO L87 Difference]: Start difference. First operand has 147 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 97 states have internal predecessors, (136), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 04:09:57,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:09:57,181 INFO L93 Difference]: Finished difference Result 287 states and 506 transitions. [2024-11-20 04:09:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:09:57,184 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 295 [2024-11-20 04:09:57,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:09:57,196 INFO L225 Difference]: With dead ends: 287 [2024-11-20 04:09:57,196 INFO L226 Difference]: Without dead ends: 143 [2024-11-20 04:09:57,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:09:57,208 INFO L432 NwaCegarLoop]: 225 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, 225 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 04:09:57,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:09:57,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-20 04:09:57,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-20 04:09:57,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 93 states have (on average 1.3870967741935485) internal successors, (129), 93 states have internal predecessors, (129), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-20 04:09:57,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 225 transitions. [2024-11-20 04:09:57,286 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 225 transitions. Word has length 295 [2024-11-20 04:09:57,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:09:57,286 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 225 transitions. [2024-11-20 04:09:57,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 04:09:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 225 transitions. [2024-11-20 04:09:57,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 04:09:57,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:09:57,293 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:09:57,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:09:57,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:09:57,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:09:57,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1719960350, now seen corresponding path program 1 times [2024-11-20 04:09:57,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:09:57,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35726324] [2024-11-20 04:09:57,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:09:57,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:09:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:09:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:09:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:09:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:09:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:09:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:09:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:09:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:57,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:09:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:09:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:09:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:09:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:09:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:09:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:09:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:09:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:09:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:09:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:09:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:09:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:09:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:09:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:09:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:09:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:09:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:09:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:09:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:09:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 04:09:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:09:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:09:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:09:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:09:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:09:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:09:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:09:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:09:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 04:09:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:09:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-20 04:09:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:09:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-20 04:09:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-20 04:09:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 04:09:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-20 04:09:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-20 04:09:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 04:09:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-20 04:09:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 04:09:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:09:58,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 04:09:58,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:09:58,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35726324] [2024-11-20 04:09:58,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35726324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:09:58,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:09:58,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 04:09:58,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181538114] [2024-11-20 04:09:58,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:09:58,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 04:09:58,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:09:58,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 04:09:58,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 04:09:58,239 INFO L87 Difference]: Start difference. First operand 143 states and 225 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 04:09:58,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:09:58,591 INFO L93 Difference]: Finished difference Result 424 states and 670 transitions. [2024-11-20 04:09:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 04:09:58,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-20 04:09:58,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:09:58,604 INFO L225 Difference]: With dead ends: 424 [2024-11-20 04:09:58,607 INFO L226 Difference]: Without dead ends: 284 [2024-11-20 04:09:58,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:09:58,609 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 133 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 04:09:58,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 652 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 04:09:58,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-20 04:09:58,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 224. [2024-11-20 04:09:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 125 states have (on average 1.288) internal successors, (161), 125 states have internal predecessors, (161), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 04:09:58,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 353 transitions. [2024-11-20 04:09:58,671 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 353 transitions. Word has length 295 [2024-11-20 04:09:58,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:09:58,675 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 353 transitions. [2024-11-20 04:09:58,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 04:09:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 353 transitions. [2024-11-20 04:09:58,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-20 04:09:58,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:09:58,685 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:09:58,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:09:58,685 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:09:58,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:09:58,685 INFO L85 PathProgramCache]: Analyzing trace with hash -906108110, now seen corresponding path program 1 times [2024-11-20 04:09:58,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:09:58,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63448454] [2024-11-20 04:09:58,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:09:58,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:09:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:10:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:10:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:10:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:10:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:10:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:10:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:10:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:10:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:10:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:10:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:10:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:10:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:10:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:10:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:10:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:10:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:10:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:10:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:10:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:10:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:10:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:10:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:10:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:10:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:10:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:10:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:10:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 04:10:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:10:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:10:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:10:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:10:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:10:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:10:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:10:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:10:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 04:10:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:10:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-20 04:10:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:10:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-20 04:10:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-20 04:10:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 04:10:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-20 04:10:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-20 04:10:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 04:10:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-20 04:10:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 04:10:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:22,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 04:10:22,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:10:22,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63448454] [2024-11-20 04:10:22,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63448454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:10:22,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:10:22,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-20 04:10:22,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102255018] [2024-11-20 04:10:22,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:10:22,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 04:10:22,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:10:22,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 04:10:22,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-11-20 04:10:22,293 INFO L87 Difference]: Start difference. First operand 224 states and 353 transitions. Second operand has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-20 04:10:26,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:10:26,982 INFO L93 Difference]: Finished difference Result 778 states and 1208 transitions. [2024-11-20 04:10:26,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 04:10:26,983 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 296 [2024-11-20 04:10:26,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:10:26,990 INFO L225 Difference]: With dead ends: 778 [2024-11-20 04:10:26,990 INFO L226 Difference]: Without dead ends: 638 [2024-11-20 04:10:26,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=241, Invalid=751, Unknown=0, NotChecked=0, Total=992 [2024-11-20 04:10:26,993 INFO L432 NwaCegarLoop]: 259 mSDtfsCounter, 1853 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 1979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-20 04:10:26,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1853 Valid, 2213 Invalid, 1979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-20 04:10:26,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-20 04:10:27,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 430. [2024-11-20 04:10:27,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 277 states have (on average 1.3574007220216606) internal successors, (376), 278 states have internal predecessors, (376), 144 states have call successors, (144), 8 states have call predecessors, (144), 8 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-20 04:10:27,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 664 transitions. [2024-11-20 04:10:27,068 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 664 transitions. Word has length 296 [2024-11-20 04:10:27,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:10:27,070 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 664 transitions. [2024-11-20 04:10:27,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-20 04:10:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 664 transitions. [2024-11-20 04:10:27,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-20 04:10:27,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:10:27,076 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:10:27,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:10:27,077 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:10:27,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:10:27,077 INFO L85 PathProgramCache]: Analyzing trace with hash 2108995508, now seen corresponding path program 1 times [2024-11-20 04:10:27,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:10:27,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498829222] [2024-11-20 04:10:27,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:10:27,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:10:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:10:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:10:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:10:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:10:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:10:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:10:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:10:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:10:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:10:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:10:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:10:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:10:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:10:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:10:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:10:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:10:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:10:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:10:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:10:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 04:10:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:10:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:10:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:10:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:10:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:10:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:10:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:10:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 04:10:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:10:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-20 04:10:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:10:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-20 04:10:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-20 04:10:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-20 04:10:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-20 04:10:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-20 04:10:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-20 04:10:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-20 04:10:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-20 04:10:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-20 04:10:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-20 04:10:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-20 04:10:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-20 04:10:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-20 04:10:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-20 04:10:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-20 04:10:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-20 04:10:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 04:10:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:10:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 04:10:51,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:10:51,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498829222] [2024-11-20 04:10:51,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498829222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:10:51,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:10:51,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 04:10:51,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284219537] [2024-11-20 04:10:51,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:10:51,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 04:10:51,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:10:51,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 04:10:51,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-20 04:10:51,527 INFO L87 Difference]: Start difference. First operand 430 states and 664 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 04:10:54,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:10:54,229 INFO L93 Difference]: Finished difference Result 1002 states and 1550 transitions. [2024-11-20 04:10:54,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 04:10:54,229 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 296 [2024-11-20 04:10:54,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:10:54,235 INFO L225 Difference]: With dead ends: 1002 [2024-11-20 04:10:54,235 INFO L226 Difference]: Without dead ends: 662 [2024-11-20 04:10:54,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-11-20 04:10:54,238 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 1175 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 1955 SdHoareTripleChecker+Invalid, 1255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 04:10:54,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1175 Valid, 1955 Invalid, 1255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 04:10:54,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-11-20 04:10:54,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 430. [2024-11-20 04:10:54,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 277 states have (on average 1.3537906137184115) internal successors, (375), 278 states have internal predecessors, (375), 144 states have call successors, (144), 8 states have call predecessors, (144), 8 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-20 04:10:54,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 663 transitions. [2024-11-20 04:10:54,285 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 663 transitions. Word has length 296 [2024-11-20 04:10:54,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:10:54,287 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 663 transitions. [2024-11-20 04:10:54,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 04:10:54,288 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 663 transitions. [2024-11-20 04:10:54,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-20 04:10:54,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:10:54,292 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:10:54,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 04:10:54,292 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:10:54,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:10:54,292 INFO L85 PathProgramCache]: Analyzing trace with hash -292314574, now seen corresponding path program 1 times [2024-11-20 04:10:54,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:10:54,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908753371] [2024-11-20 04:10:54,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:10:54,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:10:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat