./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_fillercodesize_ps-cn-50_file-34.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_fillercodesize_ps-cn-50_file-34.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 56ab96e739c021e0a820f09f7d8df07ac4eb08fdb70334870660d3f078d5cedf --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 03:51:01,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 03:51:01,545 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 03:51:01,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 03:51:01,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 03:51:01,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 03:51:01,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 03:51:01,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 03:51:01,569 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 03:51:01,569 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 03:51:01,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 03:51:01,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 03:51:01,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 03:51:01,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 03:51:01,571 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 03:51:01,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 03:51:01,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 03:51:01,572 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 03:51:01,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 03:51:01,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 03:51:01,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 03:51:01,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 03:51:01,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 03:51:01,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 03:51:01,576 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 03:51:01,577 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 03:51:01,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 03:51:01,577 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 03:51:01,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 03:51:01,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 03:51:01,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 03:51:01,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 03:51:01,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 03:51:01,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 03:51:01,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 03:51:01,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 03:51:01,580 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 03:51:01,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 03:51:01,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 03:51:01,580 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 03:51:01,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 03:51:01,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 03:51:01,581 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ab96e739c021e0a820f09f7d8df07ac4eb08fdb70334870660d3f078d5cedf [2024-11-20 03:51:01,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 03:51:01,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 03:51:01,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 03:51:01,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 03:51:01,821 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 03:51:01,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i [2024-11-20 03:51:03,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 03:51:03,541 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 03:51:03,545 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i [2024-11-20 03:51:03,556 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e318ddb7/7ec9af8182e246e9a942e49dc17fbcc1/FLAG292d60d77 [2024-11-20 03:51:03,570 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e318ddb7/7ec9af8182e246e9a942e49dc17fbcc1 [2024-11-20 03:51:03,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 03:51:03,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 03:51:03,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 03:51:03,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 03:51:03,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 03:51:03,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:51:03" (1/1) ... [2024-11-20 03:51:03,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a6921d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:03, skipping insertion in model container [2024-11-20 03:51:03,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:51:03" (1/1) ... [2024-11-20 03:51:03,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 03:51:03,780 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_fillercodesize_ps-cn-50_file-34.i[915,928] [2024-11-20 03:51:03,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 03:51:03,889 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 03:51:03,900 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_fillercodesize_ps-cn-50_file-34.i[915,928] [2024-11-20 03:51:03,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 03:51:04,000 INFO L204 MainTranslator]: Completed translation [2024-11-20 03:51:04,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04 WrapperNode [2024-11-20 03:51:04,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 03:51:04,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 03:51:04,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 03:51:04,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 03:51:04,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (1/1) ... [2024-11-20 03:51:04,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (1/1) ... [2024-11-20 03:51:04,093 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-11-20 03:51:04,094 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 03:51:04,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 03:51:04,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 03:51:04,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 03:51:04,104 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (1/1) ... [2024-11-20 03:51:04,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (1/1) ... [2024-11-20 03:51:04,108 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (1/1) ... [2024-11-20 03:51:04,135 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 03:51:04,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (1/1) ... [2024-11-20 03:51:04,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (1/1) ... [2024-11-20 03:51:04,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (1/1) ... [2024-11-20 03:51:04,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (1/1) ... [2024-11-20 03:51:04,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (1/1) ... [2024-11-20 03:51:04,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (1/1) ... [2024-11-20 03:51:04,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 03:51:04,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 03:51:04,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 03:51:04,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 03:51:04,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (1/1) ... [2024-11-20 03:51:04,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 03:51:04,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 03:51:04,220 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 03:51:04,223 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 03:51:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 03:51:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 03:51:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 03:51:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 03:51:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 03:51:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 03:51:04,342 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 03:51:04,343 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 03:51:04,755 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-20 03:51:04,755 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 03:51:04,772 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 03:51:04,772 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 03:51:04,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:51:04 BoogieIcfgContainer [2024-11-20 03:51:04,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 03:51:04,776 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 03:51:04,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 03:51:04,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 03:51:04,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:51:03" (1/3) ... [2024-11-20 03:51:04,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4f1e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:51:04, skipping insertion in model container [2024-11-20 03:51:04,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:51:04" (2/3) ... [2024-11-20 03:51:04,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4f1e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:51:04, skipping insertion in model container [2024-11-20 03:51:04,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:51:04" (3/3) ... [2024-11-20 03:51:04,782 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-34.i [2024-11-20 03:51:04,801 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 03:51:04,801 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 03:51:04,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 03:51:04,874 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;@22a62a98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 03:51:04,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 03:51:04,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-20 03:51:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-20 03:51:04,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:04,894 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:04,896 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:04,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:04,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1917208317, now seen corresponding path program 1 times [2024-11-20 03:51:04,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:04,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397274562] [2024-11-20 03:51:04,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:04,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:05,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:05,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397274562] [2024-11-20 03:51:05,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397274562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:05,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:05,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 03:51:05,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004590970] [2024-11-20 03:51:05,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:05,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 03:51:05,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:05,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 03:51:05,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 03:51:05,323 INFO L87 Difference]: Start difference. First operand has 112 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-20 03:51:05,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:05,351 INFO L93 Difference]: Finished difference Result 217 states and 383 transitions. [2024-11-20 03:51:05,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 03:51:05,353 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 212 [2024-11-20 03:51:05,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:05,360 INFO L225 Difference]: With dead ends: 217 [2024-11-20 03:51:05,360 INFO L226 Difference]: Without dead ends: 108 [2024-11-20 03:51:05,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 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 03:51:05,368 INFO L432 NwaCegarLoop]: 171 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, 171 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 03:51:05,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 03:51:05,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-20 03:51:05,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2024-11-20 03:51:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 73 states have (on average 1.4383561643835616) internal successors, (105), 73 states have internal predecessors, (105), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-20 03:51:05,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 171 transitions. [2024-11-20 03:51:05,431 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 171 transitions. Word has length 212 [2024-11-20 03:51:05,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:05,431 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 171 transitions. [2024-11-20 03:51:05,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-20 03:51:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 171 transitions. [2024-11-20 03:51:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-20 03:51:05,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:05,435 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:05,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 03:51:05,436 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:05,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:05,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1111651081, now seen corresponding path program 1 times [2024-11-20 03:51:05,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:05,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628422708] [2024-11-20 03:51:05,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:05,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:05,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:06,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:06,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628422708] [2024-11-20 03:51:06,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628422708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:06,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:06,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 03:51:06,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281397951] [2024-11-20 03:51:06,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:06,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 03:51:06,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:06,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 03:51:06,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 03:51:06,171 INFO L87 Difference]: Start difference. First operand 108 states and 171 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:06,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:06,427 INFO L93 Difference]: Finished difference Result 348 states and 552 transitions. [2024-11-20 03:51:06,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 03:51:06,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-11-20 03:51:06,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:06,434 INFO L225 Difference]: With dead ends: 348 [2024-11-20 03:51:06,435 INFO L226 Difference]: Without dead ends: 243 [2024-11-20 03:51:06,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 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 03:51:06,439 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 171 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 03:51:06,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 531 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 03:51:06,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-20 03:51:06,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 213. [2024-11-20 03:51:06,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 144 states have (on average 1.4375) internal successors, (207), 144 states have internal predecessors, (207), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 03:51:06,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 339 transitions. [2024-11-20 03:51:06,507 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 339 transitions. Word has length 212 [2024-11-20 03:51:06,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:06,508 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 339 transitions. [2024-11-20 03:51:06,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 339 transitions. [2024-11-20 03:51:06,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-20 03:51:06,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:06,513 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:06,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 03:51:06,514 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:06,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:06,514 INFO L85 PathProgramCache]: Analyzing trace with hash -961702031, now seen corresponding path program 1 times [2024-11-20 03:51:06,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:06,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607234442] [2024-11-20 03:51:06,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:06,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:06,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:06,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607234442] [2024-11-20 03:51:06,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607234442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:06,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:06,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 03:51:06,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355088995] [2024-11-20 03:51:06,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:06,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 03:51:06,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:06,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 03:51:06,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 03:51:06,839 INFO L87 Difference]: Start difference. First operand 213 states and 339 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:07,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:07,127 INFO L93 Difference]: Finished difference Result 628 states and 1000 transitions. [2024-11-20 03:51:07,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 03:51:07,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-20 03:51:07,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:07,133 INFO L225 Difference]: With dead ends: 628 [2024-11-20 03:51:07,134 INFO L226 Difference]: Without dead ends: 418 [2024-11-20 03:51:07,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 03:51:07,140 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 197 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 03:51:07,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 625 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 03:51:07,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-20 03:51:07,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 217. [2024-11-20 03:51:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 148 states have (on average 1.4256756756756757) internal successors, (211), 148 states have internal predecessors, (211), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 03:51:07,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 343 transitions. [2024-11-20 03:51:07,172 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 343 transitions. Word has length 213 [2024-11-20 03:51:07,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:07,172 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 343 transitions. [2024-11-20 03:51:07,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:07,173 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 343 transitions. [2024-11-20 03:51:07,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-20 03:51:07,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:07,175 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:07,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 03:51:07,175 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:07,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:07,175 INFO L85 PathProgramCache]: Analyzing trace with hash 341696479, now seen corresponding path program 1 times [2024-11-20 03:51:07,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:07,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833289513] [2024-11-20 03:51:07,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:07,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:12,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:12,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:12,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833289513] [2024-11-20 03:51:12,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833289513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:12,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:12,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 03:51:12,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609981503] [2024-11-20 03:51:12,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:12,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 03:51:12,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:12,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 03:51:12,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-20 03:51:12,515 INFO L87 Difference]: Start difference. First operand 217 states and 343 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:16,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:16,407 INFO L93 Difference]: Finished difference Result 795 states and 1226 transitions. [2024-11-20 03:51:16,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 03:51:16,409 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-20 03:51:16,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:16,422 INFO L225 Difference]: With dead ends: 795 [2024-11-20 03:51:16,422 INFO L226 Difference]: Without dead ends: 581 [2024-11-20 03:51:16,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=161, Invalid=345, Unknown=0, NotChecked=0, Total=506 [2024-11-20 03:51:16,424 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 776 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 776 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-20 03:51:16,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [776 Valid, 961 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-20 03:51:16,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-20 03:51:16,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 445. [2024-11-20 03:51:16,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 301 states have (on average 1.4053156146179402) internal successors, (423), 302 states have internal predecessors, (423), 137 states have call successors, (137), 6 states have call predecessors, (137), 6 states have return successors, (137), 136 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-20 03:51:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 697 transitions. [2024-11-20 03:51:16,491 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 697 transitions. Word has length 214 [2024-11-20 03:51:16,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:16,492 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 697 transitions. [2024-11-20 03:51:16,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 697 transitions. [2024-11-20 03:51:16,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-20 03:51:16,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:16,494 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:16,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 03:51:16,495 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:16,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:16,495 INFO L85 PathProgramCache]: Analyzing trace with hash 2116703841, now seen corresponding path program 1 times [2024-11-20 03:51:16,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:16,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674225183] [2024-11-20 03:51:16,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:16,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:18,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:18,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:18,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:18,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:18,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:18,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:18,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:18,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:18,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:18,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:18,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:19,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:19,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:19,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674225183] [2024-11-20 03:51:19,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674225183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:19,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:19,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 03:51:19,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75900628] [2024-11-20 03:51:19,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:19,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 03:51:19,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:19,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 03:51:19,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-20 03:51:19,162 INFO L87 Difference]: Start difference. First operand 445 states and 697 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:20,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:20,511 INFO L93 Difference]: Finished difference Result 1272 states and 1960 transitions. [2024-11-20 03:51:20,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 03:51:20,512 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-20 03:51:20,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:20,516 INFO L225 Difference]: With dead ends: 1272 [2024-11-20 03:51:20,517 INFO L226 Difference]: Without dead ends: 838 [2024-11-20 03:51:20,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-20 03:51:20,531 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 405 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 03:51:20,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 736 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 03:51:20,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-20 03:51:20,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 554. [2024-11-20 03:51:20,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 381 states have (on average 1.4094488188976377) internal successors, (537), 381 states have internal predecessors, (537), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-20 03:51:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 867 transitions. [2024-11-20 03:51:20,584 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 867 transitions. Word has length 214 [2024-11-20 03:51:20,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:20,584 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 867 transitions. [2024-11-20 03:51:20,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:20,584 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 867 transitions. [2024-11-20 03:51:20,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-20 03:51:20,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:20,586 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:20,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 03:51:20,586 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:20,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:20,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1021754849, now seen corresponding path program 1 times [2024-11-20 03:51:20,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:20,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702494204] [2024-11-20 03:51:20,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:20,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:22,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:22,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:22,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702494204] [2024-11-20 03:51:22,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702494204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:22,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:22,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 03:51:22,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531163930] [2024-11-20 03:51:22,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:22,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 03:51:22,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:22,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 03:51:22,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-20 03:51:22,785 INFO L87 Difference]: Start difference. First operand 554 states and 867 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:24,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:24,109 INFO L93 Difference]: Finished difference Result 1324 states and 2025 transitions. [2024-11-20 03:51:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 03:51:24,110 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-20 03:51:24,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:24,117 INFO L225 Difference]: With dead ends: 1324 [2024-11-20 03:51:24,117 INFO L226 Difference]: Without dead ends: 847 [2024-11-20 03:51:24,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-20 03:51:24,119 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 347 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 03:51:24,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 740 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 03:51:24,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-11-20 03:51:24,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 707. [2024-11-20 03:51:24,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 534 states have (on average 1.4250936329588015) internal successors, (761), 534 states have internal predecessors, (761), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-20 03:51:24,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 1091 transitions. [2024-11-20 03:51:24,167 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 1091 transitions. Word has length 214 [2024-11-20 03:51:24,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:24,168 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 1091 transitions. [2024-11-20 03:51:24,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:24,168 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1091 transitions. [2024-11-20 03:51:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-20 03:51:24,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:24,171 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:24,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 03:51:24,171 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:24,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:24,172 INFO L85 PathProgramCache]: Analyzing trace with hash -928436592, now seen corresponding path program 1 times [2024-11-20 03:51:24,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:24,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327596896] [2024-11-20 03:51:24,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:24,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:25,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:25,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327596896] [2024-11-20 03:51:25,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327596896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:25,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:25,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 03:51:25,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483494330] [2024-11-20 03:51:25,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:25,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 03:51:25,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:25,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 03:51:25,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 03:51:25,570 INFO L87 Difference]: Start difference. First operand 707 states and 1091 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:25,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:25,994 INFO L93 Difference]: Finished difference Result 1143 states and 1743 transitions. [2024-11-20 03:51:25,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 03:51:25,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-20 03:51:25,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:25,998 INFO L225 Difference]: With dead ends: 1143 [2024-11-20 03:51:25,999 INFO L226 Difference]: Without dead ends: 883 [2024-11-20 03:51:25,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-20 03:51:26,002 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 214 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 03:51:26,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 615 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 03:51:26,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-20 03:51:26,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 713. [2024-11-20 03:51:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 540 states have (on average 1.4166666666666667) internal successors, (765), 540 states have internal predecessors, (765), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-20 03:51:26,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 1095 transitions. [2024-11-20 03:51:26,054 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 1095 transitions. Word has length 214 [2024-11-20 03:51:26,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:26,054 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 1095 transitions. [2024-11-20 03:51:26,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1095 transitions. [2024-11-20 03:51:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-20 03:51:26,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:26,057 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:26,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 03:51:26,057 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:26,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:26,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1105586591, now seen corresponding path program 1 times [2024-11-20 03:51:26,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:26,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946155347] [2024-11-20 03:51:26,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:26,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:26,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:26,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:26,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946155347] [2024-11-20 03:51:26,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946155347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:26,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:26,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 03:51:26,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115235958] [2024-11-20 03:51:26,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:26,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 03:51:26,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:26,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 03:51:26,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 03:51:26,525 INFO L87 Difference]: Start difference. First operand 713 states and 1095 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:27,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:27,097 INFO L93 Difference]: Finished difference Result 1451 states and 2207 transitions. [2024-11-20 03:51:27,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 03:51:27,097 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-20 03:51:27,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:27,102 INFO L225 Difference]: With dead ends: 1451 [2024-11-20 03:51:27,102 INFO L226 Difference]: Without dead ends: 985 [2024-11-20 03:51:27,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-20 03:51:27,104 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 310 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 03:51:27,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 689 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 03:51:27,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2024-11-20 03:51:27,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 711. [2024-11-20 03:51:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 538 states have (on average 1.4144981412639406) internal successors, (761), 538 states have internal predecessors, (761), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-20 03:51:27,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1091 transitions. [2024-11-20 03:51:27,146 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1091 transitions. Word has length 214 [2024-11-20 03:51:27,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:27,146 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1091 transitions. [2024-11-20 03:51:27,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:27,146 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1091 transitions. [2024-11-20 03:51:27,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-20 03:51:27,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:27,148 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:27,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 03:51:27,148 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:27,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:27,149 INFO L85 PathProgramCache]: Analyzing trace with hash 10637599, now seen corresponding path program 1 times [2024-11-20 03:51:27,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:27,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510635894] [2024-11-20 03:51:27,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:27,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:27,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:27,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:27,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510635894] [2024-11-20 03:51:27,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510635894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:27,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:27,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 03:51:27,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448633762] [2024-11-20 03:51:27,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:27,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 03:51:27,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:27,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 03:51:27,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 03:51:27,506 INFO L87 Difference]: Start difference. First operand 711 states and 1091 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:27,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:27,779 INFO L93 Difference]: Finished difference Result 1295 states and 1977 transitions. [2024-11-20 03:51:27,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 03:51:27,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-20 03:51:27,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:27,784 INFO L225 Difference]: With dead ends: 1295 [2024-11-20 03:51:27,785 INFO L226 Difference]: Without dead ends: 725 [2024-11-20 03:51:27,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 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 03:51:27,787 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 123 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 03:51:27,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 440 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 03:51:27,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-20 03:51:27,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 671. [2024-11-20 03:51:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 498 states have (on average 1.391566265060241) internal successors, (693), 498 states have internal predecessors, (693), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-20 03:51:27,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1023 transitions. [2024-11-20 03:51:27,846 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1023 transitions. Word has length 214 [2024-11-20 03:51:27,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:27,847 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 1023 transitions. [2024-11-20 03:51:27,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1023 transitions. [2024-11-20 03:51:27,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-20 03:51:27,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:27,848 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:27,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 03:51:27,848 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:27,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:27,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1272110534, now seen corresponding path program 1 times [2024-11-20 03:51:27,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:27,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606807328] [2024-11-20 03:51:27,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:27,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:30,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:30,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606807328] [2024-11-20 03:51:30,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606807328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:30,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:30,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 03:51:30,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088482702] [2024-11-20 03:51:30,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:30,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 03:51:30,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:30,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 03:51:30,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-20 03:51:30,490 INFO L87 Difference]: Start difference. First operand 671 states and 1023 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:31,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:31,686 INFO L93 Difference]: Finished difference Result 1097 states and 1653 transitions. [2024-11-20 03:51:31,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 03:51:31,687 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-20 03:51:31,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:31,694 INFO L225 Difference]: With dead ends: 1097 [2024-11-20 03:51:31,694 INFO L226 Difference]: Without dead ends: 883 [2024-11-20 03:51:31,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-20 03:51:31,696 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 317 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 03:51:31,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 909 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 03:51:31,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-20 03:51:31,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 707. [2024-11-20 03:51:31,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 532 states have (on average 1.3740601503759398) internal successors, (731), 532 states have internal predecessors, (731), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-20 03:51:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 1061 transitions. [2024-11-20 03:51:31,767 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 1061 transitions. Word has length 215 [2024-11-20 03:51:31,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:31,768 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 1061 transitions. [2024-11-20 03:51:31,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:31,768 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1061 transitions. [2024-11-20 03:51:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-20 03:51:31,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:31,769 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:31,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 03:51:31,770 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:31,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:31,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1117077052, now seen corresponding path program 1 times [2024-11-20 03:51:31,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:31,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866852733] [2024-11-20 03:51:31,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:31,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:34,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:35,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:35,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866852733] [2024-11-20 03:51:35,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866852733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:35,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:35,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 03:51:35,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028246764] [2024-11-20 03:51:35,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:35,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 03:51:35,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:35,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 03:51:35,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-20 03:51:35,049 INFO L87 Difference]: Start difference. First operand 707 states and 1061 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:37,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:37,717 INFO L93 Difference]: Finished difference Result 1502 states and 2243 transitions. [2024-11-20 03:51:37,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 03:51:37,717 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-20 03:51:37,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:37,724 INFO L225 Difference]: With dead ends: 1502 [2024-11-20 03:51:37,724 INFO L226 Difference]: Without dead ends: 978 [2024-11-20 03:51:37,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2024-11-20 03:51:37,729 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 424 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-20 03:51:37,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1282 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-20 03:51:37,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-11-20 03:51:37,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 774. [2024-11-20 03:51:37,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 599 states have (on average 1.3823038397328882) internal successors, (828), 599 states have internal predecessors, (828), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-20 03:51:37,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1158 transitions. [2024-11-20 03:51:37,778 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1158 transitions. Word has length 215 [2024-11-20 03:51:37,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:37,778 INFO L471 AbstractCegarLoop]: Abstraction has 774 states and 1158 transitions. [2024-11-20 03:51:37,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:37,779 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1158 transitions. [2024-11-20 03:51:37,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-20 03:51:37,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:37,783 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:37,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 03:51:37,783 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:37,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:37,784 INFO L85 PathProgramCache]: Analyzing trace with hash 870409258, now seen corresponding path program 1 times [2024-11-20 03:51:37,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:37,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932402777] [2024-11-20 03:51:37,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:37,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:42,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:43,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:43,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:43,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:43,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:43,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:43,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:43,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:43,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:43,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:43,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:43,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:43,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:43,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932402777] [2024-11-20 03:51:43,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932402777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:43,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:43,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 03:51:43,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790248589] [2024-11-20 03:51:43,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:43,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 03:51:43,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:43,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 03:51:43,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-20 03:51:43,038 INFO L87 Difference]: Start difference. First operand 774 states and 1158 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:46,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:46,002 INFO L93 Difference]: Finished difference Result 1244 states and 1849 transitions. [2024-11-20 03:51:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 03:51:46,003 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 216 [2024-11-20 03:51:46,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:46,007 INFO L225 Difference]: With dead ends: 1244 [2024-11-20 03:51:46,008 INFO L226 Difference]: Without dead ends: 1014 [2024-11-20 03:51:46,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2024-11-20 03:51:46,009 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 387 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-20 03:51:46,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 954 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-20 03:51:46,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2024-11-20 03:51:46,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 766. [2024-11-20 03:51:46,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 591 states have (on average 1.3840947546531304) internal successors, (818), 591 states have internal predecessors, (818), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-20 03:51:46,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1148 transitions. [2024-11-20 03:51:46,087 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1148 transitions. Word has length 216 [2024-11-20 03:51:46,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:46,087 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1148 transitions. [2024-11-20 03:51:46,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:46,087 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1148 transitions. [2024-11-20 03:51:46,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-20 03:51:46,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:46,088 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:46,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 03:51:46,089 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:46,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:46,089 INFO L85 PathProgramCache]: Analyzing trace with hash -354425634, now seen corresponding path program 1 times [2024-11-20 03:51:46,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:46,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044696573] [2024-11-20 03:51:46,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:46,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:49,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:49,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044696573] [2024-11-20 03:51:49,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044696573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:49,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:49,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 03:51:49,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704701734] [2024-11-20 03:51:49,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:49,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 03:51:49,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:49,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 03:51:49,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-20 03:51:49,240 INFO L87 Difference]: Start difference. First operand 766 states and 1148 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:52,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:51:52,268 INFO L93 Difference]: Finished difference Result 1567 states and 2338 transitions. [2024-11-20 03:51:52,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 03:51:52,269 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 216 [2024-11-20 03:51:52,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:51:52,274 INFO L225 Difference]: With dead ends: 1567 [2024-11-20 03:51:52,274 INFO L226 Difference]: Without dead ends: 1051 [2024-11-20 03:51:52,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2024-11-20 03:51:52,277 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 600 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 03:51:52,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 643 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 03:51:52,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2024-11-20 03:51:52,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 772. [2024-11-20 03:51:52,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 597 states have (on average 1.3869346733668342) internal successors, (828), 597 states have internal predecessors, (828), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-20 03:51:52,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1158 transitions. [2024-11-20 03:51:52,339 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1158 transitions. Word has length 216 [2024-11-20 03:51:52,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:51:52,339 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 1158 transitions. [2024-11-20 03:51:52,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:51:52,340 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1158 transitions. [2024-11-20 03:51:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-20 03:51:52,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:51:52,341 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:51:52,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 03:51:52,341 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:51:52,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:51:52,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1449374626, now seen corresponding path program 1 times [2024-11-20 03:51:52,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:51:52,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487188036] [2024-11-20 03:51:52,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:51:52,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:51:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:51:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:51:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:51:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:51:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:51:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:51:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:51:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:51:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:51:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:51:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:51:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:51:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:51:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:51:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:51:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:51:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:51:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:51:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:51:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:51:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:51:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:51:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:51:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:51:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:51:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:51:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:51:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:51:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:51:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:55,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:51:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:56,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:51:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:56,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:51:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:56,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:51:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:51:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:51:56,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:51:56,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487188036] [2024-11-20 03:51:56,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487188036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:51:56,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:51:56,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 03:51:56,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446788838] [2024-11-20 03:51:56,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:51:56,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 03:51:56,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:51:56,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 03:51:56,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-11-20 03:51:56,045 INFO L87 Difference]: Start difference. First operand 772 states and 1158 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-20 03:52:02,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:52:02,799 INFO L93 Difference]: Finished difference Result 1725 states and 2544 transitions. [2024-11-20 03:52:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 03:52:02,800 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 216 [2024-11-20 03:52:02,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:52:02,808 INFO L225 Difference]: With dead ends: 1725 [2024-11-20 03:52:02,808 INFO L226 Difference]: Without dead ends: 1132 [2024-11-20 03:52:02,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2024-11-20 03:52:02,812 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 644 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 1182 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-20 03:52:02,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 1182 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-20 03:52:02,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2024-11-20 03:52:02,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 868. [2024-11-20 03:52:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 693 states have (on average 1.3823953823953823) internal successors, (958), 693 states have internal predecessors, (958), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-20 03:52:02,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1288 transitions. [2024-11-20 03:52:02,891 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1288 transitions. Word has length 216 [2024-11-20 03:52:02,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:52:02,891 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1288 transitions. [2024-11-20 03:52:02,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-20 03:52:02,892 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1288 transitions. [2024-11-20 03:52:02,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-20 03:52:02,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:52:02,893 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:02,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 03:52:02,893 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:52:02,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:52:02,894 INFO L85 PathProgramCache]: Analyzing trace with hash 325632736, now seen corresponding path program 1 times [2024-11-20 03:52:02,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:52:02,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848764074] [2024-11-20 03:52:02,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:52:02,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:52:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:52:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:52:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:52:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:52:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:52:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:52:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:52:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:52:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:52:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:52:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:52:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:52:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:52:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:52:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:52:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:52:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:52:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:52:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:52:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:52:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:52:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:52:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:52:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:52:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:52:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:52:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:52:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:52:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:52:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:52:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:52:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:52:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:52:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:52:13,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-20 03:52:13,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:52:13,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848764074] [2024-11-20 03:52:13,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848764074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:52:13,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:52:13,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 03:52:13,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846218184] [2024-11-20 03:52:13,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:52:13,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 03:52:13,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:52:13,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 03:52:13,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-20 03:52:13,589 INFO L87 Difference]: Start difference. First operand 868 states and 1288 transitions. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:52:17,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:52:17,205 INFO L93 Difference]: Finished difference Result 1488 states and 2206 transitions. [2024-11-20 03:52:17,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 03:52:17,208 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 216 [2024-11-20 03:52:17,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:52:17,218 INFO L225 Difference]: With dead ends: 1488 [2024-11-20 03:52:17,218 INFO L226 Difference]: Without dead ends: 962 [2024-11-20 03:52:17,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2024-11-20 03:52:17,225 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 454 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-20 03:52:17,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 1054 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-20 03:52:17,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-11-20 03:52:17,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 864. [2024-11-20 03:52:17,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 689 states have (on average 1.3788098693759072) internal successors, (950), 689 states have internal predecessors, (950), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-20 03:52:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1280 transitions. [2024-11-20 03:52:17,366 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1280 transitions. Word has length 216 [2024-11-20 03:52:17,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:52:17,367 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1280 transitions. [2024-11-20 03:52:17,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-20 03:52:17,367 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1280 transitions. [2024-11-20 03:52:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-20 03:52:17,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:52:17,372 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:52:17,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 03:52:17,373 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:52:17,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:52:17,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1391725280, now seen corresponding path program 1 times [2024-11-20 03:52:17,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:52:17,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508645481] [2024-11-20 03:52:17,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:52:17,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:52:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat