./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 18633f06cbfcb2d86a624bf68270d8235f3d798bef0344c8b1ebe935e6a76a6f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:05:59,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:05:59,206 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:05:59,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:05:59,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:05:59,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:05:59,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:05:59,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:05:59,240 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:05:59,242 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:05:59,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:05:59,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:05:59,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:05:59,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:05:59,244 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:05:59,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:05:59,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:05:59,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:05:59,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:05:59,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:05:59,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:05:59,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:05:59,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:05:59,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:05:59,248 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:05:59,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:05:59,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:05:59,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:05:59,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:05:59,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:05:59,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:05:59,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:05:59,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:05:59,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:05:59,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:05:59,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:05:59,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:05:59,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:05:59,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:05:59,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:05:59,255 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:05:59,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:05:59,259 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18633f06cbfcb2d86a624bf68270d8235f3d798bef0344c8b1ebe935e6a76a6f [2024-10-11 09:05:59,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:05:59,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:05:59,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:05:59,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:05:59,525 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:05:59,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-10-11 09:06:00,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:06:01,149 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:06:01,149 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-10-11 09:06:01,158 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/733831dcc/b30f82928e4c4f008e2cd8fc843fa8cf/FLAGa5f52dca0 [2024-10-11 09:06:01,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/733831dcc/b30f82928e4c4f008e2cd8fc843fa8cf [2024-10-11 09:06:01,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:06:01,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:06:01,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:06:01,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:06:01,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:06:01,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:01,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3953acee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01, skipping insertion in model container [2024-10-11 09:06:01,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:01,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:06:01,832 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i[919,932] [2024-10-11 09:06:01,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:06:01,929 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:06:01,943 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i[919,932] [2024-10-11 09:06:01,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:06:01,990 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:06:01,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01 WrapperNode [2024-10-11 09:06:01,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:06:01,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:06:01,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:06:01,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:06:01,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:02,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:02,039 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-11 09:06:02,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:06:02,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:06:02,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:06:02,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:06:02,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:02,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:02,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:02,079 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 09:06:02,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:02,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:02,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:02,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:02,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:02,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:02,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:06:02,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:06:02,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:06:02,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:06:02,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (1/1) ... [2024-10-11 09:06:02,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:06:02,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:06:02,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 09:06:02,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 09:06:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:06:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:06:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:06:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:06:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:06:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:06:02,279 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:06:02,281 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:06:02,735 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-11 09:06:02,736 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:06:02,776 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:06:02,776 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:06:02,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:06:02 BoogieIcfgContainer [2024-10-11 09:06:02,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:06:02,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:06:02,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:06:02,783 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:06:02,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:06:01" (1/3) ... [2024-10-11 09:06:02,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79efec7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:06:02, skipping insertion in model container [2024-10-11 09:06:02,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:06:01" (2/3) ... [2024-10-11 09:06:02,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79efec7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:06:02, skipping insertion in model container [2024-10-11 09:06:02,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:06:02" (3/3) ... [2024-10-11 09:06:02,790 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-10-11 09:06:02,815 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:06:02,815 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:06:02,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:06:02,873 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;@64607eda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:06:02,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:06:02,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 09:06:02,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-11 09:06:02,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:02,895 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:02,899 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:02,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:02,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1295163746, now seen corresponding path program 1 times [2024-10-11 09:06:02,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:02,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138214386] [2024-10-11 09:06:02,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:02,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:03,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:03,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:03,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138214386] [2024-10-11 09:06:03,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138214386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:03,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:03,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 09:06:03,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033282700] [2024-10-11 09:06:03,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:03,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 09:06:03,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:03,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 09:06:03,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:06:03,469 INFO L87 Difference]: Start difference. First operand has 106 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-11 09:06:03,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:03,530 INFO L93 Difference]: Finished difference Result 209 states and 375 transitions. [2024-10-11 09:06:03,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 09:06:03,533 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 208 [2024-10-11 09:06:03,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:03,540 INFO L225 Difference]: With dead ends: 209 [2024-10-11 09:06:03,540 INFO L226 Difference]: Without dead ends: 104 [2024-10-11 09:06:03,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:06:03,551 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:03,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:06:03,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-11 09:06:03,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-11 09:06:03,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.463768115942029) internal successors, (101), 69 states have internal predecessors, (101), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 09:06:03,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 167 transitions. [2024-10-11 09:06:03,598 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 167 transitions. Word has length 208 [2024-10-11 09:06:03,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:03,598 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 167 transitions. [2024-10-11 09:06:03,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-11 09:06:03,599 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2024-10-11 09:06:03,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-11 09:06:03,602 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:03,602 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:03,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:06:03,603 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:03,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:03,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1531416220, now seen corresponding path program 1 times [2024-10-11 09:06:03,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:03,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515150480] [2024-10-11 09:06:03,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:03,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:04,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:04,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515150480] [2024-10-11 09:06:04,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515150480] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:04,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:04,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 09:06:04,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969014002] [2024-10-11 09:06:04,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:04,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 09:06:04,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:04,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 09:06:04,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:06:04,319 INFO L87 Difference]: Start difference. First operand 104 states and 167 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:04,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:04,500 INFO L93 Difference]: Finished difference Result 349 states and 562 transitions. [2024-10-11 09:06:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 09:06:04,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 208 [2024-10-11 09:06:04,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:04,504 INFO L225 Difference]: With dead ends: 349 [2024-10-11 09:06:04,505 INFO L226 Difference]: Without dead ends: 246 [2024-10-11 09:06:04,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:06:04,507 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 173 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:04,507 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 538 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 09:06:04,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-10-11 09:06:04,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 207. [2024-10-11 09:06:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 138 states have (on average 1.4565217391304348) internal successors, (201), 138 states have internal predecessors, (201), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 09:06:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 333 transitions. [2024-10-11 09:06:04,538 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 333 transitions. Word has length 208 [2024-10-11 09:06:04,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:04,539 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 333 transitions. [2024-10-11 09:06:04,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:04,539 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 333 transitions. [2024-10-11 09:06:04,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-11 09:06:04,542 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:04,542 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:04,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 09:06:04,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:04,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:04,543 INFO L85 PathProgramCache]: Analyzing trace with hash -913231629, now seen corresponding path program 1 times [2024-10-11 09:06:04,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:04,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291812544] [2024-10-11 09:06:04,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:04,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:04,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:04,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291812544] [2024-10-11 09:06:04,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291812544] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:04,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:04,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 09:06:04,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770836022] [2024-10-11 09:06:04,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:04,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 09:06:04,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:04,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 09:06:04,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:06:04,860 INFO L87 Difference]: Start difference. First operand 207 states and 333 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:05,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:05,149 INFO L93 Difference]: Finished difference Result 614 states and 986 transitions. [2024-10-11 09:06:05,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 09:06:05,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 209 [2024-10-11 09:06:05,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:05,153 INFO L225 Difference]: With dead ends: 614 [2024-10-11 09:06:05,153 INFO L226 Difference]: Without dead ends: 408 [2024-10-11 09:06:05,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 09:06:05,155 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 199 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:05,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 590 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 09:06:05,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-10-11 09:06:05,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 211. [2024-10-11 09:06:05,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 142 states have (on average 1.443661971830986) internal successors, (205), 142 states have internal predecessors, (205), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 09:06:05,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 337 transitions. [2024-10-11 09:06:05,188 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 337 transitions. Word has length 209 [2024-10-11 09:06:05,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:05,189 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 337 transitions. [2024-10-11 09:06:05,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 337 transitions. [2024-10-11 09:06:05,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-11 09:06:05,191 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:05,191 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:05,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 09:06:05,192 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:05,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:05,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1359476500, now seen corresponding path program 1 times [2024-10-11 09:06:05,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:05,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233700176] [2024-10-11 09:06:05,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:05,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:14,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:14,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233700176] [2024-10-11 09:06:14,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233700176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:14,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:14,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 09:06:14,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071615507] [2024-10-11 09:06:14,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:14,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 09:06:14,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:14,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 09:06:14,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-11 09:06:14,918 INFO L87 Difference]: Start difference. First operand 211 states and 337 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:17,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:17,709 INFO L93 Difference]: Finished difference Result 843 states and 1337 transitions. [2024-10-11 09:06:17,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 09:06:17,710 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-11 09:06:17,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:17,714 INFO L225 Difference]: With dead ends: 843 [2024-10-11 09:06:17,715 INFO L226 Difference]: Without dead ends: 633 [2024-10-11 09:06:17,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=161, Invalid=345, Unknown=0, NotChecked=0, Total=506 [2024-10-11 09:06:17,717 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 1127 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1127 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:17,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1127 Valid, 960 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 09:06:17,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-10-11 09:06:17,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 454. [2024-10-11 09:06:17,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 310 states have (on average 1.4516129032258065) internal successors, (450), 311 states have internal predecessors, (450), 137 states have call successors, (137), 6 states have call predecessors, (137), 6 states have return successors, (137), 136 states have call predecessors, (137), 137 states have call successors, (137) [2024-10-11 09:06:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 724 transitions. [2024-10-11 09:06:17,784 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 724 transitions. Word has length 210 [2024-10-11 09:06:17,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:17,784 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 724 transitions. [2024-10-11 09:06:17,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 724 transitions. [2024-10-11 09:06:17,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-11 09:06:17,789 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:17,789 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:17,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 09:06:17,790 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:17,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:17,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1946282514, now seen corresponding path program 1 times [2024-10-11 09:06:17,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:17,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148991201] [2024-10-11 09:06:17,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:17,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:19,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:19,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:19,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:19,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:19,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:20,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:20,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:20,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148991201] [2024-10-11 09:06:20,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148991201] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:20,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:20,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 09:06:20,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385239922] [2024-10-11 09:06:20,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:20,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 09:06:20,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:20,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 09:06:20,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-11 09:06:20,184 INFO L87 Difference]: Start difference. First operand 454 states and 724 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:21,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:21,500 INFO L93 Difference]: Finished difference Result 1451 states and 2328 transitions. [2024-10-11 09:06:21,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 09:06:21,501 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-11 09:06:21,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:21,509 INFO L225 Difference]: With dead ends: 1451 [2024-10-11 09:06:21,510 INFO L226 Difference]: Without dead ends: 1005 [2024-10-11 09:06:21,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-11 09:06:21,515 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 551 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:21,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 712 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 09:06:21,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2024-10-11 09:06:21,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 553. [2024-10-11 09:06:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 380 states have (on average 1.4342105263157894) internal successors, (545), 380 states have internal predecessors, (545), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-11 09:06:21,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 875 transitions. [2024-10-11 09:06:21,593 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 875 transitions. Word has length 210 [2024-10-11 09:06:21,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:21,594 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 875 transitions. [2024-10-11 09:06:21,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:21,594 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 875 transitions. [2024-10-11 09:06:21,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-11 09:06:21,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:21,596 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:21,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 09:06:21,596 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:21,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:21,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1655627118, now seen corresponding path program 1 times [2024-10-11 09:06:21,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:21,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724470930] [2024-10-11 09:06:21,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:21,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:24,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:24,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724470930] [2024-10-11 09:06:24,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724470930] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:24,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:24,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 09:06:24,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238389945] [2024-10-11 09:06:24,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:24,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 09:06:24,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:24,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 09:06:24,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:06:24,226 INFO L87 Difference]: Start difference. First operand 553 states and 875 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-11 09:06:25,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:25,445 INFO L93 Difference]: Finished difference Result 1511 states and 2398 transitions. [2024-10-11 09:06:25,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 09:06:25,446 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 210 [2024-10-11 09:06:25,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:25,451 INFO L225 Difference]: With dead ends: 1511 [2024-10-11 09:06:25,451 INFO L226 Difference]: Without dead ends: 1024 [2024-10-11 09:06:25,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-10-11 09:06:25,454 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 640 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:25,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 789 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 09:06:25,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-10-11 09:06:25,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 840. [2024-10-11 09:06:25,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 667 states have (on average 1.5322338830584707) internal successors, (1022), 667 states have internal predecessors, (1022), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-11 09:06:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1352 transitions. [2024-10-11 09:06:25,504 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1352 transitions. Word has length 210 [2024-10-11 09:06:25,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:25,505 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1352 transitions. [2024-10-11 09:06:25,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-11 09:06:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1352 transitions. [2024-10-11 09:06:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-11 09:06:25,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:25,508 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:25,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 09:06:25,508 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:25,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:25,508 INFO L85 PathProgramCache]: Analyzing trace with hash 2017447645, now seen corresponding path program 1 times [2024-10-11 09:06:25,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:25,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784152119] [2024-10-11 09:06:25,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:25,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:27,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:27,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784152119] [2024-10-11 09:06:27,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784152119] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:27,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:27,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 09:06:27,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535068740] [2024-10-11 09:06:27,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:27,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 09:06:27,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:27,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 09:06:27,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 09:06:27,586 INFO L87 Difference]: Start difference. First operand 840 states and 1352 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:28,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:28,095 INFO L93 Difference]: Finished difference Result 1422 states and 2290 transitions. [2024-10-11 09:06:28,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 09:06:28,096 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-11 09:06:28,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:28,100 INFO L225 Difference]: With dead ends: 1422 [2024-10-11 09:06:28,100 INFO L226 Difference]: Without dead ends: 1120 [2024-10-11 09:06:28,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:06:28,102 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 273 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:28,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 610 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 09:06:28,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2024-10-11 09:06:28,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 846. [2024-10-11 09:06:28,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 673 states have (on average 1.5245170876671619) internal successors, (1026), 673 states have internal predecessors, (1026), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-11 09:06:28,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1356 transitions. [2024-10-11 09:06:28,150 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1356 transitions. Word has length 210 [2024-10-11 09:06:28,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:28,151 INFO L471 AbstractCegarLoop]: Abstraction has 846 states and 1356 transitions. [2024-10-11 09:06:28,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:28,151 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1356 transitions. [2024-10-11 09:06:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-11 09:06:28,154 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:28,154 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:28,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 09:06:28,154 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:28,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:28,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1531036332, now seen corresponding path program 1 times [2024-10-11 09:06:28,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:28,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568994718] [2024-10-11 09:06:28,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:28,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:28,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:28,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568994718] [2024-10-11 09:06:28,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568994718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:28,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:28,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 09:06:28,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035535620] [2024-10-11 09:06:28,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:28,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 09:06:28,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:28,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 09:06:28,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 09:06:28,553 INFO L87 Difference]: Start difference. First operand 846 states and 1356 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:29,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:29,148 INFO L93 Difference]: Finished difference Result 1852 states and 2990 transitions. [2024-10-11 09:06:29,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 09:06:29,149 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-11 09:06:29,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:29,154 INFO L225 Difference]: With dead ends: 1852 [2024-10-11 09:06:29,154 INFO L226 Difference]: Without dead ends: 1282 [2024-10-11 09:06:29,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-11 09:06:29,156 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 347 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:29,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 763 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 09:06:29,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2024-10-11 09:06:29,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 836. [2024-10-11 09:06:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 663 states have (on average 1.5203619909502262) internal successors, (1008), 663 states have internal predecessors, (1008), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-11 09:06:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1338 transitions. [2024-10-11 09:06:29,206 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1338 transitions. Word has length 210 [2024-10-11 09:06:29,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:29,207 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1338 transitions. [2024-10-11 09:06:29,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1338 transitions. [2024-10-11 09:06:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-11 09:06:29,208 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:29,208 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:29,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 09:06:29,208 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:29,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:29,209 INFO L85 PathProgramCache]: Analyzing trace with hash 837978668, now seen corresponding path program 1 times [2024-10-11 09:06:29,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:29,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083012709] [2024-10-11 09:06:29,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:29,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:29,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:29,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083012709] [2024-10-11 09:06:29,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083012709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:29,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:29,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 09:06:29,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906193279] [2024-10-11 09:06:29,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:29,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 09:06:29,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:29,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 09:06:29,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:06:29,521 INFO L87 Difference]: Start difference. First operand 836 states and 1338 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:29,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:29,772 INFO L93 Difference]: Finished difference Result 1548 states and 2474 transitions. [2024-10-11 09:06:29,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 09:06:29,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-11 09:06:29,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:29,776 INFO L225 Difference]: With dead ends: 1548 [2024-10-11 09:06:29,776 INFO L226 Difference]: Without dead ends: 834 [2024-10-11 09:06:29,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:06:29,778 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 107 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:29,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 429 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 09:06:29,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-10-11 09:06:29,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 784. [2024-10-11 09:06:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 611 states have (on average 1.4991816693944353) internal successors, (916), 611 states have internal predecessors, (916), 165 states have call successors, (165), 7 states have call predecessors, (165), 7 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-11 09:06:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1246 transitions. [2024-10-11 09:06:29,828 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1246 transitions. Word has length 210 [2024-10-11 09:06:29,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:29,830 INFO L471 AbstractCegarLoop]: Abstraction has 784 states and 1246 transitions. [2024-10-11 09:06:29,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1246 transitions. [2024-10-11 09:06:29,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-11 09:06:29,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:29,831 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:29,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 09:06:29,832 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:29,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1484856088, now seen corresponding path program 1 times [2024-10-11 09:06:29,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:29,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989633028] [2024-10-11 09:06:29,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:29,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:35,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:35,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989633028] [2024-10-11 09:06:35,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989633028] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:35,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:35,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 09:06:35,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641004877] [2024-10-11 09:06:35,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:35,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 09:06:35,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:35,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 09:06:35,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:06:35,156 INFO L87 Difference]: Start difference. First operand 784 states and 1246 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:36,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:36,235 INFO L93 Difference]: Finished difference Result 1356 states and 2163 transitions. [2024-10-11 09:06:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 09:06:36,236 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-10-11 09:06:36,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:36,241 INFO L225 Difference]: With dead ends: 1356 [2024-10-11 09:06:36,241 INFO L226 Difference]: Without dead ends: 1146 [2024-10-11 09:06:36,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-10-11 09:06:36,243 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 587 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:36,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 763 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 09:06:36,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2024-10-11 09:06:36,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 880. [2024-10-11 09:06:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 705 states have (on average 1.5148936170212766) internal successors, (1068), 705 states have internal predecessors, (1068), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-11 09:06:36,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1398 transitions. [2024-10-11 09:06:36,327 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1398 transitions. Word has length 211 [2024-10-11 09:06:36,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:36,328 INFO L471 AbstractCegarLoop]: Abstraction has 880 states and 1398 transitions. [2024-10-11 09:06:36,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:36,328 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1398 transitions. [2024-10-11 09:06:36,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-11 09:06:36,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:36,329 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:36,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 09:06:36,329 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:36,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:36,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1122462498, now seen corresponding path program 1 times [2024-10-11 09:06:36,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:36,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102144121] [2024-10-11 09:06:36,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:36,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:42,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:42,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:42,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102144121] [2024-10-11 09:06:42,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102144121] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:42,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:42,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 09:06:42,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7547938] [2024-10-11 09:06:42,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:42,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 09:06:42,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:42,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 09:06:42,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-11 09:06:42,714 INFO L87 Difference]: Start difference. First operand 880 states and 1398 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:44,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:44,758 INFO L93 Difference]: Finished difference Result 2236 states and 3587 transitions. [2024-10-11 09:06:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 09:06:44,759 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-10-11 09:06:44,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:44,764 INFO L225 Difference]: With dead ends: 2236 [2024-10-11 09:06:44,765 INFO L226 Difference]: Without dead ends: 1588 [2024-10-11 09:06:44,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2024-10-11 09:06:44,767 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 476 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:44,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1105 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 09:06:44,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2024-10-11 09:06:44,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1200. [2024-10-11 09:06:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1200 states, 1025 states have (on average 1.551219512195122) internal successors, (1590), 1025 states have internal predecessors, (1590), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-11 09:06:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1920 transitions. [2024-10-11 09:06:44,830 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1920 transitions. Word has length 211 [2024-10-11 09:06:44,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:44,831 INFO L471 AbstractCegarLoop]: Abstraction has 1200 states and 1920 transitions. [2024-10-11 09:06:44,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1920 transitions. [2024-10-11 09:06:44,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-11 09:06:44,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:44,833 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:44,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 09:06:44,833 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:44,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:44,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1899965545, now seen corresponding path program 1 times [2024-10-11 09:06:44,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:44,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502664701] [2024-10-11 09:06:44,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:51,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:51,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502664701] [2024-10-11 09:06:51,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502664701] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:51,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:51,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 09:06:51,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96461419] [2024-10-11 09:06:51,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:51,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 09:06:51,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:51,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 09:06:51,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:06:51,556 INFO L87 Difference]: Start difference. First operand 1200 states and 1920 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:53,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:53,214 INFO L93 Difference]: Finished difference Result 2429 states and 3943 transitions. [2024-10-11 09:06:53,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 09:06:53,216 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-11 09:06:53,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:53,223 INFO L225 Difference]: With dead ends: 2429 [2024-10-11 09:06:53,223 INFO L226 Difference]: Without dead ends: 2043 [2024-10-11 09:06:53,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-10-11 09:06:53,225 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 614 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:53,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 696 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 09:06:53,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2024-10-11 09:06:53,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 846. [2024-10-11 09:06:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 741 states have (on average 1.5654520917678811) internal successors, (1160), 741 states have internal predecessors, (1160), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-11 09:06:53,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1358 transitions. [2024-10-11 09:06:53,279 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1358 transitions. Word has length 212 [2024-10-11 09:06:53,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:53,280 INFO L471 AbstractCegarLoop]: Abstraction has 846 states and 1358 transitions. [2024-10-11 09:06:53,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1358 transitions. [2024-10-11 09:06:53,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-11 09:06:53,281 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:53,281 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:53,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 09:06:53,282 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:53,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:53,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1115138073, now seen corresponding path program 1 times [2024-10-11 09:06:53,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:53,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202490540] [2024-10-11 09:06:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:53,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:06:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:06:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:06:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:06:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:06:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:06:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:06:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:06:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:06:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:06:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:06:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:06:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:06:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:06:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:06:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:06:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:06:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:06:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:06:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:06:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:06:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:06:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:06:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:06:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:06:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:06:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:06:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:06:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:06:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:06:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:06:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:06:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:06:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:06:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:06:56,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:06:56,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202490540] [2024-10-11 09:06:56,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202490540] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:06:56,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:06:56,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 09:06:56,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622538471] [2024-10-11 09:06:56,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:06:56,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 09:06:56,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:06:56,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 09:06:56,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 09:06:56,518 INFO L87 Difference]: Start difference. First operand 846 states and 1358 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:57,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:06:57,403 INFO L93 Difference]: Finished difference Result 1421 states and 2266 transitions. [2024-10-11 09:06:57,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 09:06:57,404 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-11 09:06:57,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:06:57,408 INFO L225 Difference]: With dead ends: 1421 [2024-10-11 09:06:57,408 INFO L226 Difference]: Without dead ends: 908 [2024-10-11 09:06:57,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-11 09:06:57,410 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 296 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 09:06:57,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 721 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 09:06:57,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2024-10-11 09:06:57,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 755. [2024-10-11 09:06:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 650 states have (on average 1.5646153846153845) internal successors, (1017), 650 states have internal predecessors, (1017), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-11 09:06:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1215 transitions. [2024-10-11 09:06:57,453 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1215 transitions. Word has length 212 [2024-10-11 09:06:57,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:06:57,453 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 1215 transitions. [2024-10-11 09:06:57,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:06:57,454 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1215 transitions. [2024-10-11 09:06:57,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-11 09:06:57,454 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:06:57,455 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:06:57,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 09:06:57,455 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:06:57,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:06:57,455 INFO L85 PathProgramCache]: Analyzing trace with hash -557777589, now seen corresponding path program 1 times [2024-10-11 09:06:57,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:06:57,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199638373] [2024-10-11 09:06:57,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:06:57,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:06:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:07:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:07:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:07:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:07:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:07:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:07:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:07:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:07:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:07:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:07:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:07:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:07:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:07:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:07:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:07:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:07:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:07:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:07:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:07:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:07:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:07:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:07:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:07:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:07:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:07:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:07:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:07:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:07:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:07:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:07:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:07:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:07:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:07:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:07:05,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:07:05,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199638373] [2024-10-11 09:07:05,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199638373] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:07:05,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:07:05,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 09:07:05,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131762240] [2024-10-11 09:07:05,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:07:05,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 09:07:05,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:07:05,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 09:07:05,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-10-11 09:07:05,575 INFO L87 Difference]: Start difference. First operand 755 states and 1215 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:07:12,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:07:12,284 INFO L93 Difference]: Finished difference Result 1574 states and 2526 transitions. [2024-10-11 09:07:12,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 09:07:12,285 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-11 09:07:12,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:07:12,290 INFO L225 Difference]: With dead ends: 1574 [2024-10-11 09:07:12,290 INFO L226 Difference]: Without dead ends: 1160 [2024-10-11 09:07:12,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2024-10-11 09:07:12,291 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 453 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-11 09:07:12,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 956 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-11 09:07:12,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-11 09:07:12,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 817. [2024-10-11 09:07:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 817 states, 712 states have (on average 1.577247191011236) internal successors, (1123), 712 states have internal predecessors, (1123), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-11 09:07:12,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1321 transitions. [2024-10-11 09:07:12,335 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1321 transitions. Word has length 212 [2024-10-11 09:07:12,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:07:12,336 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1321 transitions. [2024-10-11 09:07:12,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:07:12,336 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1321 transitions. [2024-10-11 09:07:12,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-11 09:07:12,337 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:07:12,337 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:07:12,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 09:07:12,337 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:07:12,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:07:12,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1250835253, now seen corresponding path program 1 times [2024-10-11 09:07:12,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:07:12,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678888606] [2024-10-11 09:07:12,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:07:12,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:07:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:07:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:07:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:07:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:07:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:07:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:07:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:07:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:07:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 09:07:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:07:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 09:07:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:07:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 09:07:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:07:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:07:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 09:07:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 09:07:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 09:07:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 09:07:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 09:07:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 09:07:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 09:07:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 09:07:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 09:07:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 09:07:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 09:07:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:07:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 09:07:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:07:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 09:07:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:07:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 09:07:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:07:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:07:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 09:07:16,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:07:16,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678888606] [2024-10-11 09:07:16,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678888606] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:07:16,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:07:16,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 09:07:16,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036420384] [2024-10-11 09:07:16,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:07:16,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 09:07:16,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:07:16,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 09:07:16,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-11 09:07:16,500 INFO L87 Difference]: Start difference. First operand 817 states and 1321 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:07:19,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:07:19,150 INFO L93 Difference]: Finished difference Result 1865 states and 3004 transitions. [2024-10-11 09:07:19,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 09:07:19,150 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-11 09:07:19,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:07:19,155 INFO L225 Difference]: With dead ends: 1865 [2024-10-11 09:07:19,155 INFO L226 Difference]: Without dead ends: 1268 [2024-10-11 09:07:19,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-10-11 09:07:19,158 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 679 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 09:07:19,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 1240 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 09:07:19,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2024-10-11 09:07:19,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 811. [2024-10-11 09:07:19,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 706 states have (on average 1.5623229461756374) internal successors, (1103), 706 states have internal predecessors, (1103), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-11 09:07:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1301 transitions. [2024-10-11 09:07:19,215 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1301 transitions. Word has length 212 [2024-10-11 09:07:19,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:07:19,215 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1301 transitions. [2024-10-11 09:07:19,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 09:07:19,215 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1301 transitions. [2024-10-11 09:07:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-11 09:07:19,216 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:07:19,217 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:07:19,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 09:07:19,217 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:07:19,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:07:19,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1837641267, now seen corresponding path program 1 times [2024-10-11 09:07:19,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:07:19,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724393982] [2024-10-11 09:07:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:07:19,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:07:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat