./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.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 6abe9611945b9347dad66f4454ebe10d21d58cf2fa4c1fd6e8973cdda78a961e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:00:14,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:00:14,486 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:00:14,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:00:14,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:00:14,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:00:14,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:00:14,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:00:14,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:00:14,519 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:00:14,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:00:14,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:00:14,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:00:14,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:00:14,522 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:00:14,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:00:14,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:00:14,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:00:14,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:00:14,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:00:14,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:00:14,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:00:14,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:00:14,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:00:14,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:00:14,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:00:14,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:00:14,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:00:14,530 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:00:14,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:00:14,531 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:00:14,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:00:14,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:00:14,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:00:14,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:00:14,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:00:14,532 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:00:14,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:00:14,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:00:14,532 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:00:14,532 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:00:14,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:00:14,533 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6abe9611945b9347dad66f4454ebe10d21d58cf2fa4c1fd6e8973cdda78a961e [2024-11-10 05:00:14,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:00:14,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:00:14,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:00:14,839 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:00:14,840 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:00:14,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.i [2024-11-10 05:00:16,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:00:16,470 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:00:16,470 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.i [2024-11-10 05:00:16,480 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3b0bd01d/648b7ff1742d4c81a9c6ccbbf108581e/FLAG6f2c991e4 [2024-11-10 05:00:16,856 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3b0bd01d/648b7ff1742d4c81a9c6ccbbf108581e [2024-11-10 05:00:16,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:00:16,860 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:00:16,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:00:16,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:00:16,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:00:16,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:00:16" (1/1) ... [2024-11-10 05:00:16,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3989ea8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:16, skipping insertion in model container [2024-11-10 05:00:16,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:00:16" (1/1) ... [2024-11-10 05:00:16,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:00:17,062 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.i[919,932] [2024-11-10 05:00:17,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:00:17,143 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:00:17,152 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.i[919,932] [2024-11-10 05:00:17,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:00:17,212 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:00:17,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17 WrapperNode [2024-11-10 05:00:17,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:00:17,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:00:17,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:00:17,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:00:17,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (1/1) ... [2024-11-10 05:00:17,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (1/1) ... [2024-11-10 05:00:17,265 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235 [2024-11-10 05:00:17,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:00:17,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:00:17,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:00:17,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:00:17,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (1/1) ... [2024-11-10 05:00:17,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (1/1) ... [2024-11-10 05:00:17,285 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (1/1) ... [2024-11-10 05:00:17,333 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]. [2024-11-10 05:00:17,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (1/1) ... [2024-11-10 05:00:17,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (1/1) ... [2024-11-10 05:00:17,382 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (1/1) ... [2024-11-10 05:00:17,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (1/1) ... [2024-11-10 05:00:17,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (1/1) ... [2024-11-10 05:00:17,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (1/1) ... [2024-11-10 05:00:17,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:00:17,406 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:00:17,407 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:00:17,407 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:00:17,408 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (1/1) ... [2024-11-10 05:00:17,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:00:17,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:00:17,439 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) [2024-11-10 05:00:17,441 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 [2024-11-10 05:00:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:00:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:00:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:00:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:00:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:00:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:00:17,548 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:00:17,549 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:00:17,939 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-10 05:00:17,939 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:00:17,963 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:00:17,963 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 05:00:17,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:00:17 BoogieIcfgContainer [2024-11-10 05:00:17,963 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:00:17,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:00:17,966 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:00:17,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:00:17,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:00:16" (1/3) ... [2024-11-10 05:00:17,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0fbf34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:00:17, skipping insertion in model container [2024-11-10 05:00:17,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:00:17" (2/3) ... [2024-11-10 05:00:17,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0fbf34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:00:17, skipping insertion in model container [2024-11-10 05:00:17,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:00:17" (3/3) ... [2024-11-10 05:00:17,973 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-86.i [2024-11-10 05:00:17,989 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:00:17,990 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:00:18,054 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:00:18,061 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;@319a049c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:00:18,062 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:00:18,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 05:00:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 05:00:18,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:00:18,079 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:00:18,079 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:00:18,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:00:18,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1932599766, now seen corresponding path program 1 times [2024-11-10 05:00:18,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:00:18,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353485673] [2024-11-10 05:00:18,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:00:18,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:00:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:00:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:00:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:00:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:00:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:00:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:00:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:00:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:00:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:00:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:00:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:00:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:00:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:00:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:00:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:00:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:00:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:00:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:00:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:00:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:00:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:00:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:00:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:00:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:00:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:00:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:00:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:00:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:18,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:00:18,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:00:18,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353485673] [2024-11-10 05:00:18,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353485673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:00:18,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:00:18,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 05:00:18,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644998756] [2024-11-10 05:00:18,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:00:18,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 05:00:18,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:00:18,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 05:00:18,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:00:18,599 INFO L87 Difference]: Start difference. First operand has 100 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-10 05:00:18,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:00:18,644 INFO L93 Difference]: Finished difference Result 192 states and 334 transitions. [2024-11-10 05:00:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 05:00:18,646 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 176 [2024-11-10 05:00:18,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:00:18,655 INFO L225 Difference]: With dead ends: 192 [2024-11-10 05:00:18,656 INFO L226 Difference]: Without dead ends: 95 [2024-11-10 05:00:18,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:00:18,665 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:00:18,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:00:18,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-10 05:00:18,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-10 05:00:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 66 states have internal predecessors, (94), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 05:00:18,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions. [2024-11-10 05:00:18,716 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 176 [2024-11-10 05:00:18,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:00:18,718 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 148 transitions. [2024-11-10 05:00:18,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-10 05:00:18,719 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2024-11-10 05:00:18,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 05:00:18,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:00:18,726 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:00:18,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:00:18,727 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:00:18,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:00:18,728 INFO L85 PathProgramCache]: Analyzing trace with hash -686233397, now seen corresponding path program 1 times [2024-11-10 05:00:18,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:00:18,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305277164] [2024-11-10 05:00:18,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:00:18,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:00:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:00:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:00:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:00:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:00:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:00:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:00:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:00:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:00:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:00:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:00:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:00:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:00:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:00:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:00:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:00:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:00:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:00:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:00:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:00:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:00:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:00:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:00:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:00:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:00:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:00:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:00:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:00:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:00:19,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:00:19,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305277164] [2024-11-10 05:00:19,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305277164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:00:19,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:00:19,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:00:19,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585242068] [2024-11-10 05:00:19,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:00:19,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:00:19,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:00:19,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:00:19,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:00:19,106 INFO L87 Difference]: Start difference. First operand 95 states and 148 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:19,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:00:19,144 INFO L93 Difference]: Finished difference Result 188 states and 295 transitions. [2024-11-10 05:00:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:00:19,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-10 05:00:19,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:00:19,149 INFO L225 Difference]: With dead ends: 188 [2024-11-10 05:00:19,150 INFO L226 Difference]: Without dead ends: 96 [2024-11-10 05:00:19,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:00:19,151 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:00:19,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 281 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:00:19,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-10 05:00:19,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-10 05:00:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-10 05:00:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 149 transitions. [2024-11-10 05:00:19,164 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 149 transitions. Word has length 176 [2024-11-10 05:00:19,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:00:19,166 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 149 transitions. [2024-11-10 05:00:19,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:19,166 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 149 transitions. [2024-11-10 05:00:19,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 05:00:19,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:00:19,169 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:00:19,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:00:19,170 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:00:19,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:00:19,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1056576938, now seen corresponding path program 1 times [2024-11-10 05:00:19,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:00:19,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436924619] [2024-11-10 05:00:19,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:00:19,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:00:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:00:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:00:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:00:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:00:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:00:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:00:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:00:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:00:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:00:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:00:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:00:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:00:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:00:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:00:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:00:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:00:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:00:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:00:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:00:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:00:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:00:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:00:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:00:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:00:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:00:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:00:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:00:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:19,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:00:19,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:00:19,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436924619] [2024-11-10 05:00:19,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436924619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:00:19,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:00:19,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 05:00:19,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736040688] [2024-11-10 05:00:19,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:00:19,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 05:00:19,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:00:19,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 05:00:19,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:00:19,592 INFO L87 Difference]: Start difference. First operand 96 states and 149 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:19,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:00:19,846 INFO L93 Difference]: Finished difference Result 284 states and 443 transitions. [2024-11-10 05:00:19,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 05:00:19,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-10 05:00:19,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:00:19,850 INFO L225 Difference]: With dead ends: 284 [2024-11-10 05:00:19,852 INFO L226 Difference]: Without dead ends: 191 [2024-11-10 05:00:19,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 05:00:19,854 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 117 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:00:19,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 492 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 05:00:19,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-10 05:00:19,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 144. [2024-11-10 05:00:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 87 states have (on average 1.3218390804597702) internal successors, (115), 87 states have internal predecessors, (115), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-10 05:00:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 223 transitions. [2024-11-10 05:00:19,878 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 223 transitions. Word has length 176 [2024-11-10 05:00:19,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:00:19,879 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 223 transitions. [2024-11-10 05:00:19,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:19,879 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 223 transitions. [2024-11-10 05:00:19,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 05:00:19,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:00:19,881 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:00:19,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 05:00:19,881 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:00:19,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:00:19,881 INFO L85 PathProgramCache]: Analyzing trace with hash -981479351, now seen corresponding path program 1 times [2024-11-10 05:00:19,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:00:19,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100590449] [2024-11-10 05:00:19,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:00:19,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:00:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:00:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:00:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:00:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:00:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:00:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:00:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:00:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:00:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:00:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:00:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:00:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:00:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:00:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:00:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:00:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:00:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:00:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:00:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:00:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:00:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:00:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:00:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:00:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:00:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:00:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:00:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:00:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:00:27,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:00:27,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100590449] [2024-11-10 05:00:27,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100590449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:00:27,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:00:27,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 05:00:27,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73006286] [2024-11-10 05:00:27,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:00:27,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 05:00:27,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:00:27,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 05:00:27,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-10 05:00:27,251 INFO L87 Difference]: Start difference. First operand 144 states and 223 transitions. Second operand has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:28,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:00:28,878 INFO L93 Difference]: Finished difference Result 480 states and 743 transitions. [2024-11-10 05:00:28,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 05:00:28,879 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-10 05:00:28,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:00:28,882 INFO L225 Difference]: With dead ends: 480 [2024-11-10 05:00:28,882 INFO L226 Difference]: Without dead ends: 387 [2024-11-10 05:00:28,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=202, Invalid=610, Unknown=0, NotChecked=0, Total=812 [2024-11-10 05:00:28,889 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 1168 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:00:28,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 1043 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 05:00:28,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-10 05:00:28,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 186. [2024-11-10 05:00:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 129 states have (on average 1.3953488372093024) internal successors, (180), 129 states have internal predecessors, (180), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-10 05:00:28,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 288 transitions. [2024-11-10 05:00:28,918 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 288 transitions. Word has length 176 [2024-11-10 05:00:28,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:00:28,918 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 288 transitions. [2024-11-10 05:00:28,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 288 transitions. [2024-11-10 05:00:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 05:00:28,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:00:28,921 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:00:28,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 05:00:28,921 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:00:28,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:00:28,921 INFO L85 PathProgramCache]: Analyzing trace with hash -852396632, now seen corresponding path program 1 times [2024-11-10 05:00:28,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:00:28,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636131437] [2024-11-10 05:00:28,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:00:28,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:00:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:00:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:00:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:00:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:00:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:00:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:00:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:00:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:00:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:00:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:00:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:00:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:00:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:00:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:00:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:00:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:00:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:00:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:00:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:00:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:00:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:00:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:00:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:00:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:00:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:00:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:00:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:00:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:00:29,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:00:29,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636131437] [2024-11-10 05:00:29,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636131437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:00:29,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:00:29,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:00:29,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914862946] [2024-11-10 05:00:29,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:00:29,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:00:29,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:00:29,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:00:29,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:00:29,124 INFO L87 Difference]: Start difference. First operand 186 states and 288 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:29,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:00:29,187 INFO L93 Difference]: Finished difference Result 366 states and 566 transitions. [2024-11-10 05:00:29,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:00:29,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-10 05:00:29,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:00:29,190 INFO L225 Difference]: With dead ends: 366 [2024-11-10 05:00:29,190 INFO L226 Difference]: Without dead ends: 273 [2024-11-10 05:00:29,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:00:29,194 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 173 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:00:29,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 321 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 05:00:29,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-10 05:00:29,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 200. [2024-11-10 05:00:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 143 states have (on average 1.3986013986013985) internal successors, (200), 143 states have internal predecessors, (200), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-10 05:00:29,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 308 transitions. [2024-11-10 05:00:29,209 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 308 transitions. Word has length 176 [2024-11-10 05:00:29,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:00:29,209 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 308 transitions. [2024-11-10 05:00:29,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:29,209 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 308 transitions. [2024-11-10 05:00:29,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 05:00:29,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:00:29,211 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:00:29,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 05:00:29,211 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:00:29,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:00:29,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1825951222, now seen corresponding path program 1 times [2024-11-10 05:00:29,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:00:29,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187926152] [2024-11-10 05:00:29,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:00:29,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:00:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:00:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:00:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:00:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:00:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:00:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:00:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:00:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:00:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:00:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:00:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:00:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:00:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:00:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:00:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:00:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:00:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:00:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:00:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:00:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:00:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:00:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:00:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:00:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:00:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:00:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:00:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:00:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:00:29,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:00:29,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187926152] [2024-11-10 05:00:29,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187926152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:00:29,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:00:29,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:00:29,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776699211] [2024-11-10 05:00:29,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:00:29,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:00:29,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:00:29,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:00:29,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:00:29,294 INFO L87 Difference]: Start difference. First operand 200 states and 308 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:29,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:00:29,333 INFO L93 Difference]: Finished difference Result 395 states and 612 transitions. [2024-11-10 05:00:29,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:00:29,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-10 05:00:29,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:00:29,336 INFO L225 Difference]: With dead ends: 395 [2024-11-10 05:00:29,336 INFO L226 Difference]: Without dead ends: 284 [2024-11-10 05:00:29,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:00:29,339 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 140 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:00:29,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 325 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:00:29,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-10 05:00:29,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 281. [2024-11-10 05:00:29,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 196 states have (on average 1.3877551020408163) internal successors, (272), 196 states have internal predecessors, (272), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:00:29,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 434 transitions. [2024-11-10 05:00:29,367 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 434 transitions. Word has length 176 [2024-11-10 05:00:29,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:00:29,368 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 434 transitions. [2024-11-10 05:00:29,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 434 transitions. [2024-11-10 05:00:29,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 05:00:29,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:00:29,370 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:00:29,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 05:00:29,370 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:00:29,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:00:29,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1453953161, now seen corresponding path program 1 times [2024-11-10 05:00:29,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:00:29,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937846032] [2024-11-10 05:00:29,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:00:29,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:00:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:00:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:00:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:00:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:00:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:00:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:00:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:00:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:00:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:00:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:00:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:00:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:00:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:00:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:00:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:00:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:00:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:00:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:00:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:00:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:00:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:00:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:00:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:00:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:00:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:00:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:00:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:00:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:00:40,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:00:40,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937846032] [2024-11-10 05:00:40,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937846032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:00:40,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:00:40,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 05:00:40,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328940833] [2024-11-10 05:00:40,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:00:40,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 05:00:40,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:00:40,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 05:00:40,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-10 05:00:40,842 INFO L87 Difference]: Start difference. First operand 281 states and 434 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:46,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:00:46,916 INFO L93 Difference]: Finished difference Result 444 states and 673 transitions. [2024-11-10 05:00:46,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 05:00:46,916 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-10 05:00:46,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:00:46,919 INFO L225 Difference]: With dead ends: 444 [2024-11-10 05:00:46,919 INFO L226 Difference]: Without dead ends: 441 [2024-11-10 05:00:46,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2024-11-10 05:00:46,920 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 735 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-10 05:00:46,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 1217 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-10 05:00:46,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-10 05:00:46,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 282. [2024-11-10 05:00:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 197 states have (on average 1.385786802030457) internal successors, (273), 197 states have internal predecessors, (273), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:00:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 435 transitions. [2024-11-10 05:00:46,940 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 435 transitions. Word has length 177 [2024-11-10 05:00:46,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:00:46,940 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 435 transitions. [2024-11-10 05:00:46,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:46,941 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 435 transitions. [2024-11-10 05:00:46,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 05:00:46,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:00:46,942 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:00:46,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 05:00:46,943 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:00:46,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:00:46,943 INFO L85 PathProgramCache]: Analyzing trace with hash -182607692, now seen corresponding path program 1 times [2024-11-10 05:00:46,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:00:46,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001633417] [2024-11-10 05:00:46,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:00:46,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:00:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:00:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:00:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:00:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:00:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:00:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:00:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:00:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:00:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:00:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:00:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:00:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:00:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:00:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:00:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:00:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:00:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:00:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:00:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:00:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:00:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:00:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:00:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:00:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:00:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:00:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:00:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:00:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:00:47,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:00:47,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001633417] [2024-11-10 05:00:47,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001633417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:00:47,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:00:47,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 05:00:47,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836995148] [2024-11-10 05:00:47,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:00:47,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 05:00:47,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:00:47,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 05:00:47,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:00:47,270 INFO L87 Difference]: Start difference. First operand 282 states and 435 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-10 05:00:47,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:00:47,351 INFO L93 Difference]: Finished difference Result 536 states and 834 transitions. [2024-11-10 05:00:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 05:00:47,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2024-11-10 05:00:47,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:00:47,354 INFO L225 Difference]: With dead ends: 536 [2024-11-10 05:00:47,354 INFO L226 Difference]: Without dead ends: 344 [2024-11-10 05:00:47,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 05:00:47,356 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 199 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:00:47,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 374 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 05:00:47,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-10 05:00:47,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 282. [2024-11-10 05:00:47,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 197 states have (on average 1.3705583756345177) internal successors, (270), 197 states have internal predecessors, (270), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:00:47,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2024-11-10 05:00:47,372 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 177 [2024-11-10 05:00:47,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:00:47,373 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2024-11-10 05:00:47,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-10 05:00:47,373 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2024-11-10 05:00:47,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 05:00:47,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:00:47,375 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:00:47,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 05:00:47,376 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:00:47,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:00:47,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1324944117, now seen corresponding path program 1 times [2024-11-10 05:00:47,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:00:47,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078131448] [2024-11-10 05:00:47,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:00:47,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:00:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:00:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:00:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:00:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:00:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:00:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:00:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:00:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:00:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:00:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:00:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:00:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:00:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:00:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:00:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:00:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:00:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:00:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:00:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:00:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:00:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:00:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:00:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:00:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:00:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:00:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:00:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:00:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:00:51,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:00:51,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078131448] [2024-11-10 05:00:51,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078131448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:00:51,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:00:51,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 05:00:51,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336099662] [2024-11-10 05:00:51,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:00:51,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 05:00:51,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:00:51,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 05:00:51,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-10 05:00:51,850 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-10 05:00:54,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:00:54,396 INFO L93 Difference]: Finished difference Result 444 states and 667 transitions. [2024-11-10 05:00:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 05:00:54,397 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2024-11-10 05:00:54,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:00:54,399 INFO L225 Difference]: With dead ends: 444 [2024-11-10 05:00:54,399 INFO L226 Difference]: Without dead ends: 441 [2024-11-10 05:00:54,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2024-11-10 05:00:54,400 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1079 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:00:54,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 1219 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 05:00:54,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-10 05:00:54,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 285. [2024-11-10 05:00:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 200 states have (on average 1.37) internal successors, (274), 200 states have internal predecessors, (274), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:00:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 436 transitions. [2024-11-10 05:00:54,419 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 436 transitions. Word has length 177 [2024-11-10 05:00:54,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:00:54,421 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 436 transitions. [2024-11-10 05:00:54,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-10 05:00:54,421 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 436 transitions. [2024-11-10 05:00:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 05:00:54,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:00:54,423 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:00:54,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 05:00:54,423 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:00:54,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:00:54,424 INFO L85 PathProgramCache]: Analyzing trace with hash -259135853, now seen corresponding path program 1 times [2024-11-10 05:00:54,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:00:54,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104992861] [2024-11-10 05:00:54,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:00:54,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:00:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:00:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:00:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:00:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:00:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:00:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:00:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:00:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:00:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:00:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:00:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:00:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:00:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:00:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:00:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:00:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:00:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:00:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:00:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:00:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:00:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:00:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:00:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:00:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:00:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:00:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:00:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:00:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:00:54,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:00:54,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:00:54,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104992861] [2024-11-10 05:00:54,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104992861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:00:54,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:00:54,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:00:54,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660489048] [2024-11-10 05:00:54,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:00:54,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:00:54,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:00:54,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:00:54,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:00:54,634 INFO L87 Difference]: Start difference. First operand 285 states and 436 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:54,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:00:54,710 INFO L93 Difference]: Finished difference Result 555 states and 846 transitions. [2024-11-10 05:00:54,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:00:54,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-10 05:00:54,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:00:54,714 INFO L225 Difference]: With dead ends: 555 [2024-11-10 05:00:54,714 INFO L226 Difference]: Without dead ends: 363 [2024-11-10 05:00:54,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:00:54,716 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 114 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:00:54,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 447 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 05:00:54,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-10 05:00:54,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 295. [2024-11-10 05:00:54,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 210 states have (on average 1.3666666666666667) internal successors, (287), 210 states have internal predecessors, (287), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:00:54,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 449 transitions. [2024-11-10 05:00:54,732 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 449 transitions. Word has length 177 [2024-11-10 05:00:54,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:00:54,732 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 449 transitions. [2024-11-10 05:00:54,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:00:54,733 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 449 transitions. [2024-11-10 05:00:54,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 05:00:54,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:00:54,735 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:00:54,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 05:00:54,735 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:00:54,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:00:54,736 INFO L85 PathProgramCache]: Analyzing trace with hash -130053134, now seen corresponding path program 1 times [2024-11-10 05:00:54,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:00:54,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889148219] [2024-11-10 05:00:54,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:00:54,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:00:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:01:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:01:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:01:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:01:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:01:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:01:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:01:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:01:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:01:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:01:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:01:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:01:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:01:02,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:02,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889148219] [2024-11-10 05:01:02,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889148219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:02,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:02,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 05:01:02,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855363797] [2024-11-10 05:01:02,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:02,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 05:01:02,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:02,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 05:01:02,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-10 05:01:02,326 INFO L87 Difference]: Start difference. First operand 295 states and 449 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:01:07,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:07,386 INFO L93 Difference]: Finished difference Result 540 states and 806 transitions. [2024-11-10 05:01:07,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 05:01:07,387 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-10 05:01:07,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:07,389 INFO L225 Difference]: With dead ends: 540 [2024-11-10 05:01:07,389 INFO L226 Difference]: Without dead ends: 537 [2024-11-10 05:01:07,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=251, Invalid=741, Unknown=0, NotChecked=0, Total=992 [2024-11-10 05:01:07,390 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 610 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:07,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 1236 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-10 05:01:07,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-10 05:01:07,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 339. [2024-11-10 05:01:07,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 254 states have (on average 1.3937007874015748) internal successors, (354), 254 states have internal predecessors, (354), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:01:07,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 516 transitions. [2024-11-10 05:01:07,421 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 516 transitions. Word has length 177 [2024-11-10 05:01:07,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:07,423 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 516 transitions. [2024-11-10 05:01:07,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:01:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 516 transitions. [2024-11-10 05:01:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 05:01:07,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:07,424 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:07,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 05:01:07,425 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:07,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:07,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1223256563, now seen corresponding path program 1 times [2024-11-10 05:01:07,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:07,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801805424] [2024-11-10 05:01:07,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:07,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:01:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:01:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:01:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:01:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:01:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:01:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:01:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:01:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:01:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:01:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:01:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:01:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:01:14,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:14,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801805424] [2024-11-10 05:01:14,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801805424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:14,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:14,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 05:01:14,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292963259] [2024-11-10 05:01:14,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:14,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 05:01:14,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:14,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 05:01:14,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-11-10 05:01:14,773 INFO L87 Difference]: Start difference. First operand 339 states and 516 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:01:20,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:20,056 INFO L93 Difference]: Finished difference Result 530 states and 796 transitions. [2024-11-10 05:01:20,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 05:01:20,056 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-10 05:01:20,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:20,059 INFO L225 Difference]: With dead ends: 530 [2024-11-10 05:01:20,059 INFO L226 Difference]: Without dead ends: 527 [2024-11-10 05:01:20,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2024-11-10 05:01:20,060 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 622 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:20,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 1269 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-10 05:01:20,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2024-11-10 05:01:20,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 339. [2024-11-10 05:01:20,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 254 states have (on average 1.3937007874015748) internal successors, (354), 254 states have internal predecessors, (354), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:01:20,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 516 transitions. [2024-11-10 05:01:20,090 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 516 transitions. Word has length 177 [2024-11-10 05:01:20,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:20,091 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 516 transitions. [2024-11-10 05:01:20,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-10 05:01:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 516 transitions. [2024-11-10 05:01:20,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 05:01:20,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:20,092 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:20,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 05:01:20,092 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:20,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:20,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1320490457, now seen corresponding path program 1 times [2024-11-10 05:01:20,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:20,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316611852] [2024-11-10 05:01:20,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:20,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:01:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:01:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:01:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:01:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 05:01:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 05:01:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 05:01:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 05:01:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 05:01:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 05:01:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 05:01:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 05:01:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-10 05:01:31,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:31,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316611852] [2024-11-10 05:01:31,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316611852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:31,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:31,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-10 05:01:31,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260676518] [2024-11-10 05:01:31,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:31,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 05:01:31,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:31,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 05:01:31,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-10 05:01:31,207 INFO L87 Difference]: Start difference. First operand 339 states and 516 transitions. Second operand has 20 states, 20 states have (on average 2.3) internal successors, (46), 20 states have internal predecessors, (46), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-10 05:01:41,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:41,733 INFO L93 Difference]: Finished difference Result 612 states and 927 transitions. [2024-11-10 05:01:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 05:01:41,733 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 20 states have internal predecessors, (46), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 178 [2024-11-10 05:01:41,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:41,736 INFO L225 Difference]: With dead ends: 612 [2024-11-10 05:01:41,736 INFO L226 Difference]: Without dead ends: 609 [2024-11-10 05:01:41,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=371, Invalid=1035, Unknown=0, NotChecked=0, Total=1406 [2024-11-10 05:01:41,737 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 783 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1411 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:41,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1411 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-10 05:01:41,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-11-10 05:01:41,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 344. [2024-11-10 05:01:41,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 259 states have (on average 1.3976833976833978) internal successors, (362), 259 states have internal predecessors, (362), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-10 05:01:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 524 transitions. [2024-11-10 05:01:41,754 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 524 transitions. Word has length 178 [2024-11-10 05:01:41,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:41,754 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 524 transitions. [2024-11-10 05:01:41,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.3) internal successors, (46), 20 states have internal predecessors, (46), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-10 05:01:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 524 transitions. [2024-11-10 05:01:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 05:01:41,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:41,757 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:41,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 05:01:41,757 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:41,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:41,757 INFO L85 PathProgramCache]: Analyzing trace with hash 32819240, now seen corresponding path program 1 times [2024-11-10 05:01:41,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:41,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559232457] [2024-11-10 05:01:41,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:41,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat