./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 a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18633f06cbfcb2d86a624bf68270d8235f3d798bef0344c8b1ebe935e6a76a6f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 01:46:40,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 01:46:40,906 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 01:46:40,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 01:46:40,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 01:46:40,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 01:46:40,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 01:46:40,946 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 01:46:40,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 01:46:40,948 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 01:46:40,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 01:46:40,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 01:46:40,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 01:46:40,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 01:46:40,950 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 01:46:40,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 01:46:40,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 01:46:40,951 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 01:46:40,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 01:46:40,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 01:46:40,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 01:46:40,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 01:46:40,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 01:46:40,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 01:46:40,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 01:46:40,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 01:46:40,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 01:46:40,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 01:46:40,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 01:46:40,957 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 01:46:40,957 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 01:46:40,957 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 01:46:40,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:46:40,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 01:46:40,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 01:46:40,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 01:46:40,957 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 01:46:40,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 01:46:40,958 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 01:46:40,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 01:46:40,958 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 01:46:40,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 01:46:40,959 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18633f06cbfcb2d86a624bf68270d8235f3d798bef0344c8b1ebe935e6a76a6f [2024-10-13 01:46:41,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 01:46:41,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 01:46:41,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 01:46:41,255 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 01:46:41,256 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 01:46:41,257 INFO L431 ainManager$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 [2024-10-13 01:46:42,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 01:46:42,766 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 01:46:42,766 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-10-13 01:46:42,777 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a21ec6a/f40f34ce7af64240a90cdf8dfc728432/FLAG91776b13f [2024-10-13 01:46:42,790 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6a21ec6a/f40f34ce7af64240a90cdf8dfc728432 [2024-10-13 01:46:42,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 01:46:42,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 01:46:42,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 01:46:42,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 01:46:42,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 01:46:42,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:46:42" (1/1) ... [2024-10-13 01:46:42,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4314c7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:42, skipping insertion in model container [2024-10-13 01:46:42,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:46:42" (1/1) ... [2024-10-13 01:46:42,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 01:46:42,972 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] [2024-10-13 01:46:43,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:46:43,075 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 01:46:43,087 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] [2024-10-13 01:46:43,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:46:43,145 INFO L204 MainTranslator]: Completed translation [2024-10-13 01:46:43,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43 WrapperNode [2024-10-13 01:46:43,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 01:46:43,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 01:46:43,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 01:46:43,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 01:46:43,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (1/1) ... [2024-10-13 01:46:43,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (1/1) ... [2024-10-13 01:46:43,201 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-13 01:46:43,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 01:46:43,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 01:46:43,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 01:46:43,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 01:46:43,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (1/1) ... [2024-10-13 01:46:43,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (1/1) ... [2024-10-13 01:46:43,215 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (1/1) ... [2024-10-13 01:46:43,246 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]. [2024-10-13 01:46:43,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (1/1) ... [2024-10-13 01:46:43,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (1/1) ... [2024-10-13 01:46:43,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (1/1) ... [2024-10-13 01:46:43,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (1/1) ... [2024-10-13 01:46:43,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (1/1) ... [2024-10-13 01:46:43,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (1/1) ... [2024-10-13 01:46:43,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 01:46:43,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 01:46:43,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 01:46:43,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 01:46:43,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (1/1) ... [2024-10-13 01:46:43,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:46:43,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:46:43,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 01:46:43,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 01:46:43,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 01:46:43,387 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 01:46:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 01:46:43,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 01:46:43,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 01:46:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 01:46:43,510 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 01:46:43,512 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 01:46:43,950 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-13 01:46:43,950 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 01:46:43,983 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 01:46:43,983 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 01:46:43,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:46:43 BoogieIcfgContainer [2024-10-13 01:46:43,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 01:46:43,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 01:46:43,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 01:46:43,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 01:46:43,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:46:42" (1/3) ... [2024-10-13 01:46:43,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5328b600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:46:43, skipping insertion in model container [2024-10-13 01:46:43,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:46:43" (2/3) ... [2024-10-13 01:46:43,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5328b600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:46:43, skipping insertion in model container [2024-10-13 01:46:43,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:46:43" (3/3) ... [2024-10-13 01:46:43,993 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-34.i [2024-10-13 01:46:44,007 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 01:46:44,007 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 01:46:44,068 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 01:46:44,073 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;@27d3a2e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 01:46:44,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 01:46:44,077 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) [2024-10-13 01:46:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-13 01:46:44,091 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:46:44,092 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] [2024-10-13 01:46:44,092 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:46:44,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:46:44,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1295163746, now seen corresponding path program 1 times [2024-10-13 01:46:44,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:46:44,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651513407] [2024-10-13 01:46:44,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:46:44,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:46:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:46:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:46:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:46:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:46:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:46:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:46:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:46:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:46:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:46:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:46:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:46:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:46:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:46:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:46:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:46:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:46:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:46:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:46:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:46:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:46:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:46:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:46:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:46:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:46:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:46:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:46:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:46:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:46:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:46:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:46:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:46:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:46:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:46:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:44,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:46:44,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:46:44,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651513407] [2024-10-13 01:46:44,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651513407] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:46:44,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:46:44,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 01:46:44,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975235851] [2024-10-13 01:46:44,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:46:44,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 01:46:44,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:46:44,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 01:46:44,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:46:44,703 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) [2024-10-13 01:46:44,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:46:44,754 INFO L93 Difference]: Finished difference Result 209 states and 375 transitions. [2024-10-13 01:46:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 01:46:44,756 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 [2024-10-13 01:46:44,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:46:44,763 INFO L225 Difference]: With dead ends: 209 [2024-10-13 01:46:44,764 INFO L226 Difference]: Without dead ends: 104 [2024-10-13 01:46:44,767 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 [2024-10-13 01:46:44,770 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 [2024-10-13 01:46:44,772 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] [2024-10-13 01:46:44,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-13 01:46:44,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-13 01:46:44,820 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) [2024-10-13 01:46:44,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 167 transitions. [2024-10-13 01:46:44,824 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 167 transitions. Word has length 208 [2024-10-13 01:46:44,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:46:44,824 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 167 transitions. [2024-10-13 01:46:44,824 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) [2024-10-13 01:46:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2024-10-13 01:46:44,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-13 01:46:44,828 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:46:44,828 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] [2024-10-13 01:46:44,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 01:46:44,829 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:46:44,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:46:44,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1531416220, now seen corresponding path program 1 times [2024-10-13 01:46:44,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:46:44,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582077616] [2024-10-13 01:46:44,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:46:44,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:46:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:46:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:46:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:46:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:46:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:46:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:46:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:46:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:46:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:46:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:46:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:46:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:46:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:46:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:46:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:46:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:46:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:46:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:46:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:46:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:46:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:46:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:46:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:46:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:46:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:46:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:46:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:46:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:46:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:46:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:46:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:46:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:46:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:46:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:46:45,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:46:45,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582077616] [2024-10-13 01:46:45,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582077616] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:46:45,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:46:45,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:46:45,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676940574] [2024-10-13 01:46:45,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:46:45,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:46:45,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:46:45,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:46:45,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:46:45,561 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) [2024-10-13 01:46:45,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:46:45,850 INFO L93 Difference]: Finished difference Result 349 states and 562 transitions. [2024-10-13 01:46:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:46:45,851 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 [2024-10-13 01:46:45,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:46:45,859 INFO L225 Difference]: With dead ends: 349 [2024-10-13 01:46:45,859 INFO L226 Difference]: Without dead ends: 246 [2024-10-13 01:46:45,861 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 [2024-10-13 01:46:45,862 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 173 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:46:45,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 538 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 01:46:45,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-10-13 01:46:45,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 207. [2024-10-13 01:46:45,910 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) [2024-10-13 01:46:45,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 333 transitions. [2024-10-13 01:46:45,914 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 333 transitions. Word has length 208 [2024-10-13 01:46:45,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:46:45,918 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 333 transitions. [2024-10-13 01:46:45,918 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) [2024-10-13 01:46:45,918 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 333 transitions. [2024-10-13 01:46:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-13 01:46:45,925 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:46:45,925 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] [2024-10-13 01:46:45,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 01:46:45,926 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:46:45,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:46:45,927 INFO L85 PathProgramCache]: Analyzing trace with hash -913231629, now seen corresponding path program 1 times [2024-10-13 01:46:45,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:46:45,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309309000] [2024-10-13 01:46:45,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:46:45,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:46:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:46:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:46:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:46:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:46:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:46:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:46:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:46:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:46:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:46:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:46:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:46:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:46:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:46:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:46:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:46:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:46:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:46:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:46:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:46:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:46:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:46:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:46:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:46:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:46:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:46:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:46:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:46:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:46:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:46:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:46:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:46:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:46:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:46:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:46:46,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:46:46,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309309000] [2024-10-13 01:46:46,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309309000] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:46:46,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:46:46,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 01:46:46,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095476585] [2024-10-13 01:46:46,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:46:46,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 01:46:46,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:46:46,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 01:46:46,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:46:46,342 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) [2024-10-13 01:46:46,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:46:46,675 INFO L93 Difference]: Finished difference Result 614 states and 986 transitions. [2024-10-13 01:46:46,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 01:46:46,675 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 [2024-10-13 01:46:46,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:46:46,682 INFO L225 Difference]: With dead ends: 614 [2024-10-13 01:46:46,682 INFO L226 Difference]: Without dead ends: 408 [2024-10-13 01:46:46,685 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 [2024-10-13 01:46:46,685 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, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 01:46:46,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 590 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 01:46:46,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-10-13 01:46:46,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 211. [2024-10-13 01:46:46,727 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) [2024-10-13 01:46:46,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 337 transitions. [2024-10-13 01:46:46,732 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 337 transitions. Word has length 209 [2024-10-13 01:46:46,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:46:46,733 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 337 transitions. [2024-10-13 01:46:46,734 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) [2024-10-13 01:46:46,734 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 337 transitions. [2024-10-13 01:46:46,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 01:46:46,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:46:46,736 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] [2024-10-13 01:46:46,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 01:46:46,736 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:46:46,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:46:46,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1359476500, now seen corresponding path program 1 times [2024-10-13 01:46:46,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:46:46,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439567754] [2024-10-13 01:46:46,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:46:46,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:46:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:46:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:46:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:46:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:46:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:46:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:46:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:46:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:46:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:46:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:46:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:46:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:46:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:46:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:46:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:50,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:46:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:46:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:46:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:46:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:46:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:46:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:46:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:46:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:46:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:46:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:46:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:46:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:46:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:46:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:46:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:46:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:46:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:46:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:46:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:51,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:46:51,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:46:51,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439567754] [2024-10-13 01:46:51,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439567754] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:46:51,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:46:51,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 01:46:51,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998994361] [2024-10-13 01:46:51,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:46:51,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 01:46:51,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:46:51,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 01:46:51,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-13 01:46:51,083 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) [2024-10-13 01:46:54,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:46:54,446 INFO L93 Difference]: Finished difference Result 843 states and 1337 transitions. [2024-10-13 01:46:54,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 01:46:54,447 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 [2024-10-13 01:46:54,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:46:54,460 INFO L225 Difference]: With dead ends: 843 [2024-10-13 01:46:54,462 INFO L226 Difference]: Without dead ends: 633 [2024-10-13 01:46:54,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=161, Invalid=345, Unknown=0, NotChecked=0, Total=506 [2024-10-13 01:46:54,466 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 1127 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.9s IncrementalHoareTripleChecker+Time [2024-10-13 01:46:54,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1127 Valid, 960 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-13 01:46:54,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-10-13 01:46:54,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 454. [2024-10-13 01:46:54,518 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) [2024-10-13 01:46:54,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 724 transitions. [2024-10-13 01:46:54,520 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 724 transitions. Word has length 210 [2024-10-13 01:46:54,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:46:54,521 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 724 transitions. [2024-10-13 01:46:54,521 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) [2024-10-13 01:46:54,521 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 724 transitions. [2024-10-13 01:46:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 01:46:54,523 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:46:54,523 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] [2024-10-13 01:46:54,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 01:46:54,523 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:46:54,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:46:54,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1946282514, now seen corresponding path program 1 times [2024-10-13 01:46:54,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:46:54,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162364532] [2024-10-13 01:46:54,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:46:54,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:46:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:46:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:46:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:46:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:46:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:46:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:46:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:46:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:46:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:46:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:46:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:46:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:46:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:46:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:46:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:46:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:46:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:46:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:46:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:46:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:46:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:46:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:46:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:46:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:46:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:46:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:46:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:46:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:46:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:46:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:46:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:46:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:46:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:46:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:56,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:46:56,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:46:56,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162364532] [2024-10-13 01:46:56,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162364532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:46:56,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:46:56,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 01:46:56,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112481201] [2024-10-13 01:46:56,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:46:56,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 01:46:56,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:46:56,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 01:46:56,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-13 01:46:56,363 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) [2024-10-13 01:46:57,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:46:57,582 INFO L93 Difference]: Finished difference Result 1451 states and 2328 transitions. [2024-10-13 01:46:57,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 01:46:57,583 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 [2024-10-13 01:46:57,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:46:57,588 INFO L225 Difference]: With dead ends: 1451 [2024-10-13 01:46:57,589 INFO L226 Difference]: Without dead ends: 1005 [2024-10-13 01:46:57,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:46:57,592 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 551 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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 [2024-10-13 01:46:57,593 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] [2024-10-13 01:46:57,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2024-10-13 01:46:57,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 553. [2024-10-13 01:46:57,648 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) [2024-10-13 01:46:57,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 875 transitions. [2024-10-13 01:46:57,651 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 875 transitions. Word has length 210 [2024-10-13 01:46:57,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:46:57,652 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 875 transitions. [2024-10-13 01:46:57,652 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) [2024-10-13 01:46:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 875 transitions. [2024-10-13 01:46:57,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 01:46:57,654 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:46:57,654 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] [2024-10-13 01:46:57,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 01:46:57,655 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:46:57,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:46:57,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1655627118, now seen corresponding path program 1 times [2024-10-13 01:46:57,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:46:57,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35351770] [2024-10-13 01:46:57,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:46:57,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:46:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:46:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:46:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:46:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:46:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:46:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:46:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:46:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:46:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:46:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:46:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:46:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:46:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:46:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:46:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:46:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:46:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:46:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:46:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:46:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:46:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:46:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:46:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:46:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:46:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:46:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:46:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:46:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:46:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:46:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:46:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:46:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:46:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:46:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:46:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:46:59,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:46:59,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35351770] [2024-10-13 01:46:59,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35351770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:46:59,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:46:59,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 01:46:59,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946862252] [2024-10-13 01:46:59,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:46:59,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 01:46:59,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:46:59,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 01:46:59,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-13 01:46:59,344 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) [2024-10-13 01:47:00,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:47:00,479 INFO L93 Difference]: Finished difference Result 1511 states and 2398 transitions. [2024-10-13 01:47:00,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 01:47:00,480 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 [2024-10-13 01:47:00,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:47:00,486 INFO L225 Difference]: With dead ends: 1511 [2024-10-13 01:47:00,486 INFO L226 Difference]: Without dead ends: 1024 [2024-10-13 01:47:00,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-10-13 01:47:00,490 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 640 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 01:47:00,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 789 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 01:47:00,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-10-13 01:47:00,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 840. [2024-10-13 01:47:00,543 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) [2024-10-13 01:47:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1352 transitions. [2024-10-13 01:47:00,547 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1352 transitions. Word has length 210 [2024-10-13 01:47:00,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:47:00,548 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1352 transitions. [2024-10-13 01:47:00,548 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) [2024-10-13 01:47:00,548 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1352 transitions. [2024-10-13 01:47:00,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 01:47:00,551 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:47:00,551 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] [2024-10-13 01:47:00,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 01:47:00,552 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:47:00,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:47:00,552 INFO L85 PathProgramCache]: Analyzing trace with hash 2017447645, now seen corresponding path program 1 times [2024-10-13 01:47:00,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:47:00,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258219468] [2024-10-13 01:47:00,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:47:00,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:47:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:47:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:47:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:47:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:47:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:47:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:47:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:47:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:47:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:47:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:47:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:47:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:47:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:47:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:47:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:47:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:47:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:47:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:47:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:47:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:47:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:47:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:47:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:47:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:47:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:47:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:47:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:47:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:47:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:47:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:47:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:47:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:47:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:47:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:47:01,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:47:01,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258219468] [2024-10-13 01:47:01,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258219468] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:47:01,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:47:01,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 01:47:01,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177573088] [2024-10-13 01:47:01,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:47:01,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 01:47:01,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:47:01,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 01:47:01,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 01:47:01,897 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) [2024-10-13 01:47:02,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:47:02,406 INFO L93 Difference]: Finished difference Result 1422 states and 2290 transitions. [2024-10-13 01:47:02,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 01:47:02,406 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 [2024-10-13 01:47:02,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:47:02,413 INFO L225 Difference]: With dead ends: 1422 [2024-10-13 01:47:02,413 INFO L226 Difference]: Without dead ends: 1120 [2024-10-13 01:47:02,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 01:47:02,416 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 [2024-10-13 01:47:02,417 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] [2024-10-13 01:47:02,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2024-10-13 01:47:02,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 846. [2024-10-13 01:47:02,465 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) [2024-10-13 01:47:02,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1356 transitions. [2024-10-13 01:47:02,470 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1356 transitions. Word has length 210 [2024-10-13 01:47:02,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:47:02,470 INFO L471 AbstractCegarLoop]: Abstraction has 846 states and 1356 transitions. [2024-10-13 01:47:02,470 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) [2024-10-13 01:47:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1356 transitions. [2024-10-13 01:47:02,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 01:47:02,474 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:47:02,474 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] [2024-10-13 01:47:02,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 01:47:02,474 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:47:02,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:47:02,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1531036332, now seen corresponding path program 1 times [2024-10-13 01:47:02,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:47:02,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260429946] [2024-10-13 01:47:02,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:47:02,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:47:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:47:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:47:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:47:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:47:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:47:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:47:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:47:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:47:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:47:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:47:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:47:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:47:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:47:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:47:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:47:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:47:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:47:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:47:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:47:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:47:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:47:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:47:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:47:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:47:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:47:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:47:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:47:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:47:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:47:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:47:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:47:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:47:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:02,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:47:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:03,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:47:03,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:47:03,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260429946] [2024-10-13 01:47:03,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260429946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:47:03,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:47:03,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 01:47:03,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64357591] [2024-10-13 01:47:03,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:47:03,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 01:47:03,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:47:03,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 01:47:03,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 01:47:03,004 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) [2024-10-13 01:47:03,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:47:03,671 INFO L93 Difference]: Finished difference Result 1852 states and 2990 transitions. [2024-10-13 01:47:03,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 01:47:03,672 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 [2024-10-13 01:47:03,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:47:03,678 INFO L225 Difference]: With dead ends: 1852 [2024-10-13 01:47:03,678 INFO L226 Difference]: Without dead ends: 1282 [2024-10-13 01:47:03,682 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 [2024-10-13 01:47:03,682 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 [2024-10-13 01:47:03,683 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] [2024-10-13 01:47:03,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2024-10-13 01:47:03,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 836. [2024-10-13 01:47:03,734 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) [2024-10-13 01:47:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1338 transitions. [2024-10-13 01:47:03,740 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1338 transitions. Word has length 210 [2024-10-13 01:47:03,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:47:03,741 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1338 transitions. [2024-10-13 01:47:03,741 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) [2024-10-13 01:47:03,741 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1338 transitions. [2024-10-13 01:47:03,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 01:47:03,744 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:47:03,744 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] [2024-10-13 01:47:03,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 01:47:03,744 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:47:03,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:47:03,745 INFO L85 PathProgramCache]: Analyzing trace with hash 837978668, now seen corresponding path program 1 times [2024-10-13 01:47:03,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:47:03,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151533176] [2024-10-13 01:47:03,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:47:03,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:47:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:47:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:47:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:47:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:47:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:47:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:47:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:47:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:47:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:47:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:47:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:47:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:47:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:47:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:47:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:47:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:47:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:47:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:47:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:47:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:47:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:47:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:47:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:47:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:47:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:47:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:47:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:47:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:47:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:47:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:47:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:47:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:47:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:47:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:47:04,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:47:04,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151533176] [2024-10-13 01:47:04,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151533176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:47:04,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:47:04,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:47:04,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213126250] [2024-10-13 01:47:04,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:47:04,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:47:04,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:47:04,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:47:04,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:47:04,170 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) [2024-10-13 01:47:04,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:47:04,430 INFO L93 Difference]: Finished difference Result 1548 states and 2474 transitions. [2024-10-13 01:47:04,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:47:04,431 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 [2024-10-13 01:47:04,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:47:04,436 INFO L225 Difference]: With dead ends: 1548 [2024-10-13 01:47:04,436 INFO L226 Difference]: Without dead ends: 834 [2024-10-13 01:47:04,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:47:04,438 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 107 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-10-13 01:47:04,439 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] [2024-10-13 01:47:04,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-10-13 01:47:04,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 784. [2024-10-13 01:47:04,490 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) [2024-10-13 01:47:04,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1246 transitions. [2024-10-13 01:47:04,495 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1246 transitions. Word has length 210 [2024-10-13 01:47:04,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:47:04,495 INFO L471 AbstractCegarLoop]: Abstraction has 784 states and 1246 transitions. [2024-10-13 01:47:04,495 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) [2024-10-13 01:47:04,496 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1246 transitions. [2024-10-13 01:47:04,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 01:47:04,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:47:04,498 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] [2024-10-13 01:47:04,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 01:47:04,498 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:47:04,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:47:04,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1484856088, now seen corresponding path program 1 times [2024-10-13 01:47:04,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:47:04,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938458034] [2024-10-13 01:47:04,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:47:04,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:47:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:47:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:47:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:47:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:47:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:47:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:47:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:47:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:47:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:47:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:47:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:47:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:47:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:47:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:47:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:47:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:47:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:47:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:47:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:47:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:47:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:47:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:47:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:47:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:47:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:47:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:47:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:47:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:47:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:47:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:47:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:47:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:47:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:47:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:06,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:47:06,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:47:06,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938458034] [2024-10-13 01:47:06,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938458034] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:47:06,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:47:06,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 01:47:06,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069701102] [2024-10-13 01:47:06,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:47:06,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 01:47:06,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:47:06,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 01:47:06,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-13 01:47:06,927 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) [2024-10-13 01:47:07,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:47:07,973 INFO L93 Difference]: Finished difference Result 1356 states and 2163 transitions. [2024-10-13 01:47:07,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 01:47:07,974 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 [2024-10-13 01:47:07,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:47:07,978 INFO L225 Difference]: With dead ends: 1356 [2024-10-13 01:47:07,978 INFO L226 Difference]: Without dead ends: 1146 [2024-10-13 01:47:07,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-10-13 01:47:07,979 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 587 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-10-13 01:47:07,980 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] [2024-10-13 01:47:07,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2024-10-13 01:47:08,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 880. [2024-10-13 01:47:08,033 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) [2024-10-13 01:47:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1398 transitions. [2024-10-13 01:47:08,037 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1398 transitions. Word has length 211 [2024-10-13 01:47:08,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:47:08,038 INFO L471 AbstractCegarLoop]: Abstraction has 880 states and 1398 transitions. [2024-10-13 01:47:08,038 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) [2024-10-13 01:47:08,038 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1398 transitions. [2024-10-13 01:47:08,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 01:47:08,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:47:08,040 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] [2024-10-13 01:47:08,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 01:47:08,040 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:47:08,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:47:08,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1122462498, now seen corresponding path program 1 times [2024-10-13 01:47:08,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:47:08,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867751924] [2024-10-13 01:47:08,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:47:08,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:47:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:47:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:47:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:47:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:47:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:47:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:47:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:47:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:47:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:47:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:47:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:47:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:47:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:47:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:47:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:47:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:47:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:47:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:47:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:47:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:47:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:47:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:47:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:47:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:47:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:47:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:47:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:47:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:47:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:47:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:47:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:47:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:47:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:10,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:47:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:47:11,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:47:11,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867751924] [2024-10-13 01:47:11,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867751924] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:47:11,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:47:11,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 01:47:11,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397922095] [2024-10-13 01:47:11,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:47:11,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 01:47:11,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:47:11,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 01:47:11,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-13 01:47:11,007 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) [2024-10-13 01:47:12,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:47:12,748 INFO L93 Difference]: Finished difference Result 2236 states and 3587 transitions. [2024-10-13 01:47:12,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 01:47:12,749 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 [2024-10-13 01:47:12,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:47:12,756 INFO L225 Difference]: With dead ends: 2236 [2024-10-13 01:47:12,756 INFO L226 Difference]: Without dead ends: 1588 [2024-10-13 01:47:12,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2024-10-13 01:47:12,759 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 476 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:47:12,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1105 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 01:47:12,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2024-10-13 01:47:12,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1200. [2024-10-13 01:47:12,854 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) [2024-10-13 01:47:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1920 transitions. [2024-10-13 01:47:12,860 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1920 transitions. Word has length 211 [2024-10-13 01:47:12,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:47:12,860 INFO L471 AbstractCegarLoop]: Abstraction has 1200 states and 1920 transitions. [2024-10-13 01:47:12,860 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) [2024-10-13 01:47:12,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1920 transitions. [2024-10-13 01:47:12,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 01:47:12,862 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:47:12,862 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] [2024-10-13 01:47:12,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 01:47:12,863 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:47:12,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:47:12,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1899965545, now seen corresponding path program 1 times [2024-10-13 01:47:12,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:47:12,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86731692] [2024-10-13 01:47:12,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:47:12,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:47:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:47:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:47:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:47:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:47:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:47:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:47:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:47:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:47:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:47:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:47:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:47:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:47:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:47:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:47:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:47:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:47:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:47:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:47:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:47:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:47:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:47:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:47:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:47:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:47:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:47:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:47:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:47:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:47:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:47:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:47:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:47:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:47:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:47:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:47:15,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:47:15,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86731692] [2024-10-13 01:47:15,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86731692] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:47:15,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:47:15,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 01:47:15,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053754719] [2024-10-13 01:47:15,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:47:15,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 01:47:15,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:47:15,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 01:47:15,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 01:47:15,431 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) [2024-10-13 01:47:16,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:47:16,854 INFO L93 Difference]: Finished difference Result 2429 states and 3943 transitions. [2024-10-13 01:47:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 01:47:16,855 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 [2024-10-13 01:47:16,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:47:16,866 INFO L225 Difference]: With dead ends: 2429 [2024-10-13 01:47:16,866 INFO L226 Difference]: Without dead ends: 2043 [2024-10-13 01:47:16,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-10-13 01:47:16,870 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 614 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 01:47:16,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 696 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 01:47:16,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2024-10-13 01:47:16,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 846. [2024-10-13 01:47:16,928 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) [2024-10-13 01:47:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1358 transitions. [2024-10-13 01:47:16,931 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1358 transitions. Word has length 212 [2024-10-13 01:47:16,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:47:16,932 INFO L471 AbstractCegarLoop]: Abstraction has 846 states and 1358 transitions. [2024-10-13 01:47:16,932 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) [2024-10-13 01:47:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1358 transitions. [2024-10-13 01:47:16,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 01:47:16,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:47:16,934 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] [2024-10-13 01:47:16,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 01:47:16,934 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:47:16,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:47:16,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1115138073, now seen corresponding path program 1 times [2024-10-13 01:47:16,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:47:16,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139525641] [2024-10-13 01:47:16,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:47:16,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:47:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:47:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:47:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:47:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:47:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:47:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:47:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:47:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:47:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:47:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:47:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:47:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:47:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:47:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:47:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:47:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:47:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:47:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:47:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:47:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:47:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:47:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:47:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:47:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:47:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:47:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:47:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:47:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:47:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:47:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:47:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:47:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:47:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:47:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:47:18,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:47:18,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139525641] [2024-10-13 01:47:18,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139525641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:47:18,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:47:18,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 01:47:18,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379387297] [2024-10-13 01:47:18,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:47:18,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 01:47:18,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:47:18,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 01:47:18,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 01:47:18,943 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) [2024-10-13 01:47:19,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:47:19,772 INFO L93 Difference]: Finished difference Result 1421 states and 2266 transitions. [2024-10-13 01:47:19,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 01:47:19,773 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 [2024-10-13 01:47:19,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:47:19,777 INFO L225 Difference]: With dead ends: 1421 [2024-10-13 01:47:19,778 INFO L226 Difference]: Without dead ends: 908 [2024-10-13 01:47:19,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-13 01:47:19,779 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 [2024-10-13 01:47:19,780 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] [2024-10-13 01:47:19,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2024-10-13 01:47:19,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 755. [2024-10-13 01:47:19,823 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) [2024-10-13 01:47:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1215 transitions. [2024-10-13 01:47:19,826 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1215 transitions. Word has length 212 [2024-10-13 01:47:19,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:47:19,826 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 1215 transitions. [2024-10-13 01:47:19,826 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) [2024-10-13 01:47:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1215 transitions. [2024-10-13 01:47:19,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 01:47:19,827 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:47:19,828 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] [2024-10-13 01:47:19,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 01:47:19,828 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:47:19,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:47:19,828 INFO L85 PathProgramCache]: Analyzing trace with hash -557777589, now seen corresponding path program 1 times [2024-10-13 01:47:19,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:47:19,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920267877] [2024-10-13 01:47:19,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:47:19,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:47:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:47:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:47:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:47:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:47:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:47:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:47:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:47:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:47:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:47:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:47:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:47:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:47:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:47:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:47:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:47:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:47:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:47:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:47:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:47:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:47:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:47:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:47:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:47:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:47:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:47:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:47:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:47:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:47:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:47:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:47:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:47:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:47:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:23,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:47:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:24,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:47:24,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:47:24,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920267877] [2024-10-13 01:47:24,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920267877] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:47:24,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:47:24,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 01:47:24,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95907498] [2024-10-13 01:47:24,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:47:24,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 01:47:24,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:47:24,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 01:47:24,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-10-13 01:47:24,003 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) [2024-10-13 01:47:30,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:47:30,224 INFO L93 Difference]: Finished difference Result 1574 states and 2526 transitions. [2024-10-13 01:47:30,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 01:47:30,225 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 [2024-10-13 01:47:30,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:47:30,229 INFO L225 Difference]: With dead ends: 1574 [2024-10-13 01:47:30,229 INFO L226 Difference]: Without dead ends: 1160 [2024-10-13 01:47:30,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2024-10-13 01:47:30,231 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 453 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.7s IncrementalHoareTripleChecker+Time [2024-10-13 01:47:30,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 956 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-13 01:47:30,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-13 01:47:30,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 817. [2024-10-13 01:47:30,285 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) [2024-10-13 01:47:30,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 1321 transitions. [2024-10-13 01:47:30,288 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 1321 transitions. Word has length 212 [2024-10-13 01:47:30,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:47:30,289 INFO L471 AbstractCegarLoop]: Abstraction has 817 states and 1321 transitions. [2024-10-13 01:47:30,289 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) [2024-10-13 01:47:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1321 transitions. [2024-10-13 01:47:30,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 01:47:30,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:47:30,291 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] [2024-10-13 01:47:30,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 01:47:30,291 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:47:30,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:47:30,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1250835253, now seen corresponding path program 1 times [2024-10-13 01:47:30,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:47:30,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515205031] [2024-10-13 01:47:30,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:47:30,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:47:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:47:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:47:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:47:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:47:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:47:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:47:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:47:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:47:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:47:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:47:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:47:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:47:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:47:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:47:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:47:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:47:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:47:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:47:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:47:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:47:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:47:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:47:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:47:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:47:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:47:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:47:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:47:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:47:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:47:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:47:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:47:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:47:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:47:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:47:32,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:47:32,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515205031] [2024-10-13 01:47:32,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515205031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:47:32,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:47:32,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 01:47:32,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245439567] [2024-10-13 01:47:32,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:47:32,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 01:47:32,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:47:32,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 01:47:32,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-13 01:47:32,991 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) [2024-10-13 01:47:35,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:47:35,583 INFO L93 Difference]: Finished difference Result 1865 states and 3004 transitions. [2024-10-13 01:47:35,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 01:47:35,583 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 [2024-10-13 01:47:35,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:47:35,588 INFO L225 Difference]: With dead ends: 1865 [2024-10-13 01:47:35,588 INFO L226 Difference]: Without dead ends: 1268 [2024-10-13 01:47:35,589 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 [2024-10-13 01:47:35,589 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 [2024-10-13 01:47:35,590 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] [2024-10-13 01:47:35,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2024-10-13 01:47:35,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 811. [2024-10-13 01:47:35,641 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) [2024-10-13 01:47:35,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1301 transitions. [2024-10-13 01:47:35,644 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1301 transitions. Word has length 212 [2024-10-13 01:47:35,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:47:35,644 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1301 transitions. [2024-10-13 01:47:35,644 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) [2024-10-13 01:47:35,645 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1301 transitions. [2024-10-13 01:47:35,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 01:47:35,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:47:35,646 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] [2024-10-13 01:47:35,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 01:47:35,646 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:47:35,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:47:35,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1837641267, now seen corresponding path program 1 times [2024-10-13 01:47:35,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:47:35,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427071774] [2024-10-13 01:47:35,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:47:35,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:47:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:47:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:47:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:47:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:47:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:47:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:47:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:47:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:47:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:47:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:47:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:47:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:47:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:47:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:47:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:47:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:47:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:47:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:47:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:47:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:47:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:47:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:47:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:47:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:47:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:47:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:47:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:47:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:47:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:47:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:47:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:47:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:47:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:47:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:47:42,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:47:42,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:47:42,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427071774] [2024-10-13 01:47:42,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427071774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:47:42,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:47:42,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-13 01:47:42,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371740985] [2024-10-13 01:47:42,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:47:42,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 01:47:42,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:47:42,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 01:47:42,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-10-13 01:47:42,924 INFO L87 Difference]: Start difference. First operand 811 states and 1301 transitions. Second operand has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 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) [2024-10-13 01:47:46,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:47:46,757 INFO L93 Difference]: Finished difference Result 1477 states and 2360 transitions. [2024-10-13 01:47:46,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 01:47:46,758 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 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 212 [2024-10-13 01:47:46,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:47:46,762 INFO L225 Difference]: With dead ends: 1477 [2024-10-13 01:47:46,762 INFO L226 Difference]: Without dead ends: 1027 [2024-10-13 01:47:46,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2024-10-13 01:47:46,764 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 550 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 1681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-13 01:47:46,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 1495 Invalid, 1681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-13 01:47:46,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2024-10-13 01:47:46,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 811. [2024-10-13 01:47:46,844 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) [2024-10-13 01:47:46,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1301 transitions. [2024-10-13 01:47:46,848 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1301 transitions. Word has length 212 [2024-10-13 01:47:46,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:47:46,849 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1301 transitions. [2024-10-13 01:47:46,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 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) [2024-10-13 01:47:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1301 transitions. [2024-10-13 01:47:46,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-13 01:47:46,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:47:46,850 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:47:46,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 01:47:46,851 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:47:46,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:47:46,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1873283049, now seen corresponding path program 1 times [2024-10-13 01:47:46,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:47:46,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23580299] [2024-10-13 01:47:46,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:47:46,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:47:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat