./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-pr-cn_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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-pr-cn_file-66.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 366cd04e1cccaa3d248693408475f1d8f6198ae7da412e5cc3eb2ead8f221652 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:41:47,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:41:48,003 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:41:48,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:41:48,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:41:48,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:41:48,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:41:48,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:41:48,035 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:41:48,035 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:41:48,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:41:48,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:41:48,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:41:48,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:41:48,041 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:41:48,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:41:48,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:41:48,041 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:41:48,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:41:48,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:41:48,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:41:48,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:41:48,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:41:48,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:41:48,045 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:41:48,045 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:41:48,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:41:48,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:41:48,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:41:48,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:41:48,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:41:48,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:41:48,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:41:48,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:41:48,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:41:48,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:41:48,047 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:41:48,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:41:48,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:41:48,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:41:48,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:41:48,050 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:41:48,050 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 366cd04e1cccaa3d248693408475f1d8f6198ae7da412e5cc3eb2ead8f221652 [2024-10-24 07:41:48,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:41:48,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:41:48,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:41:48,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:41:48,291 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:41:48,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-66.i [2024-10-24 07:41:49,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:41:49,884 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:41:49,885 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-66.i [2024-10-24 07:41:49,896 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06f475570/95903e26098842d88902a6573030b7cb/FLAGc3a9b5427 [2024-10-24 07:41:49,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06f475570/95903e26098842d88902a6573030b7cb [2024-10-24 07:41:49,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:41:49,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:41:49,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:41:49,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:41:49,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:41:49,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:41:49" (1/1) ... [2024-10-24 07:41:49,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb91945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:49, skipping insertion in model container [2024-10-24 07:41:49,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:41:49" (1/1) ... [2024-10-24 07:41:49,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:41:50,112 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-pr-cn_file-66.i[919,932] [2024-10-24 07:41:50,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:41:50,177 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:41:50,187 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-pr-cn_file-66.i[919,932] [2024-10-24 07:41:50,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:41:50,234 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:41:50,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50 WrapperNode [2024-10-24 07:41:50,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:41:50,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:41:50,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:41:50,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:41:50,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (1/1) ... [2024-10-24 07:41:50,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (1/1) ... [2024-10-24 07:41:50,304 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2024-10-24 07:41:50,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:41:50,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:41:50,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:41:50,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:41:50,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (1/1) ... [2024-10-24 07:41:50,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (1/1) ... [2024-10-24 07:41:50,319 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (1/1) ... [2024-10-24 07:41:50,337 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]. [2024-10-24 07:41:50,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (1/1) ... [2024-10-24 07:41:50,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (1/1) ... [2024-10-24 07:41:50,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (1/1) ... [2024-10-24 07:41:50,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (1/1) ... [2024-10-24 07:41:50,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (1/1) ... [2024-10-24 07:41:50,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (1/1) ... [2024-10-24 07:41:50,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:41:50,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:41:50,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:41:50,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:41:50,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (1/1) ... [2024-10-24 07:41:50,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:41:50,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:41:50,405 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) [2024-10-24 07:41:50,419 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 [2024-10-24 07:41:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:41:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:41:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:41:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:41:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:41:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:41:50,539 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:41:50,541 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:41:50,921 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-24 07:41:50,921 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:41:50,954 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:41:50,954 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:41:50,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:41:50 BoogieIcfgContainer [2024-10-24 07:41:50,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:41:50,956 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:41:50,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:41:50,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:41:50,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:41:49" (1/3) ... [2024-10-24 07:41:50,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328e1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:41:50, skipping insertion in model container [2024-10-24 07:41:50,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:41:50" (2/3) ... [2024-10-24 07:41:50,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328e1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:41:50, skipping insertion in model container [2024-10-24 07:41:50,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:41:50" (3/3) ... [2024-10-24 07:41:50,961 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-66.i [2024-10-24 07:41:50,972 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:41:50,972 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:41:51,022 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:41:51,027 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;@522fd187, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:41:51,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:41:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 61 states have (on average 1.459016393442623) internal successors, (89), 62 states have internal predecessors, (89), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-24 07:41:51,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-24 07:41:51,053 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:41:51,053 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:41:51,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:41:51,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:41:51,061 INFO L85 PathProgramCache]: Analyzing trace with hash -90690236, now seen corresponding path program 1 times [2024-10-24 07:41:51,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:41:51,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451999497] [2024-10-24 07:41:51,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:41:51,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:41:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:41:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:41:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:41:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:41:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:41:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:41:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:41:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:41:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:41:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:41:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:41:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:41:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:41:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:41:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:41:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:41:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:41:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:41:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:41:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:41:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:41:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:41:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:41:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:41:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:41:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:41:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:41:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:41:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:41:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:41:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:41:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 07:41:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:41:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 07:41:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 07:41:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 07:41:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 07:41:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 07:41:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 07:41:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 07:41:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 07:41:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 07:41:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 07:41:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 07:41:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:41:51,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 07:41:51,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:41:51,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451999497] [2024-10-24 07:41:51,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451999497] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:41:51,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:41:51,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 07:41:51,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605594117] [2024-10-24 07:41:51,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:41:51,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 07:41:51,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:41:51,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 07:41:51,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:41:51,628 INFO L87 Difference]: Start difference. First operand has 108 states, 61 states have (on average 1.459016393442623) internal successors, (89), 62 states have internal predecessors, (89), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-24 07:41:51,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:41:51,765 INFO L93 Difference]: Finished difference Result 213 states and 396 transitions. [2024-10-24 07:41:51,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 07:41:51,769 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 266 [2024-10-24 07:41:51,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:41:51,789 INFO L225 Difference]: With dead ends: 213 [2024-10-24 07:41:51,789 INFO L226 Difference]: Without dead ends: 106 [2024-10-24 07:41:51,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:41:51,800 INFO L432 NwaCegarLoop]: 169 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, 169 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 [2024-10-24 07:41:51,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:41:51,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-24 07:41:51,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-10-24 07:41:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 60 states have (on average 1.4) internal successors, (84), 60 states have internal predecessors, (84), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-24 07:41:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 172 transitions. [2024-10-24 07:41:51,872 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 172 transitions. Word has length 266 [2024-10-24 07:41:51,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:41:51,873 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 172 transitions. [2024-10-24 07:41:51,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-24 07:41:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 172 transitions. [2024-10-24 07:41:51,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-24 07:41:51,878 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:41:51,879 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:41:51,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:41:51,880 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:41:51,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:41:51,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1655257352, now seen corresponding path program 1 times [2024-10-24 07:41:51,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:41:51,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833897173] [2024-10-24 07:41:51,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:41:51,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:41:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:42:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:42:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:42:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:42:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:42:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:42:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:42:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:42:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:42:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:42:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:42:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:42:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:42:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:42:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:42:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:42:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:42:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:42:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:42:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:42:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:42:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:42:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:42:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:42:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:42:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:42:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:42:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:42:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:42:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:42:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:42:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 07:42:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:42:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 07:42:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 07:42:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 07:42:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 07:42:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 07:42:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 07:42:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 07:42:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 07:42:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 07:42:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 07:42:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 07:42:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:19,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 07:42:19,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:42:19,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833897173] [2024-10-24 07:42:19,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833897173] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:42:19,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:42:19,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 07:42:19,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599021971] [2024-10-24 07:42:19,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:42:19,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 07:42:19,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:42:19,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 07:42:19,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-24 07:42:19,915 INFO L87 Difference]: Start difference. First operand 106 states and 172 transitions. Second operand has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 07:42:21,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:42:21,085 INFO L93 Difference]: Finished difference Result 342 states and 547 transitions. [2024-10-24 07:42:21,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 07:42:21,086 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 266 [2024-10-24 07:42:21,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:42:21,089 INFO L225 Difference]: With dead ends: 342 [2024-10-24 07:42:21,089 INFO L226 Difference]: Without dead ends: 237 [2024-10-24 07:42:21,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-10-24 07:42:21,091 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 214 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 07:42:21,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 1045 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 07:42:21,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-10-24 07:42:21,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 174. [2024-10-24 07:42:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 123 states have (on average 1.5121951219512195) internal successors, (186), 124 states have internal predecessors, (186), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 07:42:21,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 282 transitions. [2024-10-24 07:42:21,120 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 282 transitions. Word has length 266 [2024-10-24 07:42:21,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:42:21,121 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 282 transitions. [2024-10-24 07:42:21,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 07:42:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 282 transitions. [2024-10-24 07:42:21,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-24 07:42:21,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:42:21,129 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:42:21,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:42:21,130 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:42:21,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:42:21,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1938645366, now seen corresponding path program 1 times [2024-10-24 07:42:21,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:42:21,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204889137] [2024-10-24 07:42:21,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:42:21,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:42:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:42:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:42:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:42:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:42:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:42:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:42:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:42:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:42:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:42:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:42:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:42:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:42:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:42:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:42:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:42:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:42:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:42:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:42:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:42:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:42:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:42:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:42:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:42:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:42:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:42:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:42:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:42:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:42:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:42:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:42:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:42:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 07:42:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:42:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 07:42:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 07:42:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 07:42:46,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 07:42:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 07:42:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 07:42:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 07:42:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 07:42:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 07:42:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 07:42:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 07:42:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:46,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 07:42:46,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:42:46,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204889137] [2024-10-24 07:42:46,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204889137] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:42:46,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:42:46,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 07:42:46,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084342488] [2024-10-24 07:42:46,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:42:46,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 07:42:46,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:42:46,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 07:42:46,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-24 07:42:46,114 INFO L87 Difference]: Start difference. First operand 174 states and 282 transitions. Second operand has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 07:42:46,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:42:46,949 INFO L93 Difference]: Finished difference Result 237 states and 368 transitions. [2024-10-24 07:42:46,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 07:42:46,950 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 266 [2024-10-24 07:42:46,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:42:46,952 INFO L225 Difference]: With dead ends: 237 [2024-10-24 07:42:46,952 INFO L226 Difference]: Without dead ends: 235 [2024-10-24 07:42:46,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-10-24 07:42:46,953 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 184 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 07:42:46,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1250 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 07:42:46,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-10-24 07:42:46,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 174. [2024-10-24 07:42:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 123 states have (on average 1.5121951219512195) internal successors, (186), 124 states have internal predecessors, (186), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 47 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 07:42:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 282 transitions. [2024-10-24 07:42:46,969 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 282 transitions. Word has length 266 [2024-10-24 07:42:46,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:42:46,970 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 282 transitions. [2024-10-24 07:42:46,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 07:42:46,970 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 282 transitions. [2024-10-24 07:42:46,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-24 07:42:46,972 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:42:46,972 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:42:46,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:42:46,973 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:42:46,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:42:46,973 INFO L85 PathProgramCache]: Analyzing trace with hash 375393674, now seen corresponding path program 1 times [2024-10-24 07:42:46,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:42:46,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153454771] [2024-10-24 07:42:46,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:42:46,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:42:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:42:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:42:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:42:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:42:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:42:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:42:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:42:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:42:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:42:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:42:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:42:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:42:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:42:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:42:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:42:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:42:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:42:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:42:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:42:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:42:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:42:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:42:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:42:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:42:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:42:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:42:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:42:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:42:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:42:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:42:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:42:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 07:42:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:42:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 07:42:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 07:42:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 07:42:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 07:42:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 07:42:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 07:42:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 07:42:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 07:42:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 07:42:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 07:42:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 07:42:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 07:42:47,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:42:47,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153454771] [2024-10-24 07:42:47,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153454771] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:42:47,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:42:47,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:42:47,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943737402] [2024-10-24 07:42:47,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:42:47,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:42:47,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:42:47,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:42:47,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:42:47,070 INFO L87 Difference]: Start difference. First operand 174 states and 282 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 07:42:47,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:42:47,106 INFO L93 Difference]: Finished difference Result 489 states and 794 transitions. [2024-10-24 07:42:47,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:42:47,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 266 [2024-10-24 07:42:47,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:42:47,110 INFO L225 Difference]: With dead ends: 489 [2024-10-24 07:42:47,110 INFO L226 Difference]: Without dead ends: 316 [2024-10-24 07:42:47,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:42:47,157 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 160 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:42:47,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 479 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:42:47,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-24 07:42:47,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 314. [2024-10-24 07:42:47,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 213 states have (on average 1.4553990610328638) internal successors, (310), 215 states have internal predecessors, (310), 96 states have call successors, (96), 4 states have call predecessors, (96), 4 states have return successors, (96), 94 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-24 07:42:47,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 502 transitions. [2024-10-24 07:42:47,219 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 502 transitions. Word has length 266 [2024-10-24 07:42:47,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:42:47,220 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 502 transitions. [2024-10-24 07:42:47,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 07:42:47,220 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 502 transitions. [2024-10-24 07:42:47,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-24 07:42:47,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:42:47,222 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:42:47,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 07:42:47,223 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:42:47,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:42:47,223 INFO L85 PathProgramCache]: Analyzing trace with hash -17633336, now seen corresponding path program 1 times [2024-10-24 07:42:47,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:42:47,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59383496] [2024-10-24 07:42:47,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:42:47,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:42:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:42:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:42:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:42:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:42:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:42:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:42:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:42:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:42:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:42:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:42:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:42:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:42:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:42:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:42:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:42:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:42:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:42:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:42:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:42:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:42:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:42:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:42:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:42:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:42:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:42:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:42:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:42:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:42:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:42:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:42:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:42:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 07:42:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:42:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 07:42:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 07:42:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 07:42:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 07:42:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 07:42:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 07:42:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 07:42:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 07:42:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 07:42:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 07:42:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 07:42:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:42:47,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 07:42:47,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:42:47,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59383496] [2024-10-24 07:42:47,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59383496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:42:47,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:42:47,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:42:47,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070127782] [2024-10-24 07:42:47,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:42:47,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:42:47,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:42:47,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:42:47,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:42:47,404 INFO L87 Difference]: Start difference. First operand 314 states and 502 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 07:42:47,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:42:47,644 INFO L93 Difference]: Finished difference Result 920 states and 1455 transitions. [2024-10-24 07:42:47,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:42:47,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 266 [2024-10-24 07:42:47,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:42:47,651 INFO L225 Difference]: With dead ends: 920 [2024-10-24 07:42:47,651 INFO L226 Difference]: Without dead ends: 607 [2024-10-24 07:42:47,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 07:42:47,656 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 122 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:42:47,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 539 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 07:42:47,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-10-24 07:42:47,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 560. [2024-10-24 07:42:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 363 states have (on average 1.4242424242424243) internal successors, (517), 366 states have internal predecessors, (517), 188 states have call successors, (188), 8 states have call predecessors, (188), 8 states have return successors, (188), 185 states have call predecessors, (188), 188 states have call successors, (188) [2024-10-24 07:42:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 893 transitions. [2024-10-24 07:42:47,725 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 893 transitions. Word has length 266 [2024-10-24 07:42:47,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:42:47,725 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 893 transitions. [2024-10-24 07:42:47,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 07:42:47,726 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 893 transitions. [2024-10-24 07:42:47,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-24 07:42:47,729 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:42:47,729 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:42:47,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 07:42:47,729 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:42:47,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:42:47,730 INFO L85 PathProgramCache]: Analyzing trace with hash 683431242, now seen corresponding path program 1 times [2024-10-24 07:42:47,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:42:47,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792352028] [2024-10-24 07:42:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:42:47,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:42:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:43:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:43:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:43:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:43:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:43:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:43:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:43:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:43:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:43:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:43:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:43:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:43:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:43:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:43:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:43:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:43:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:43:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:43:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:43:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:43:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:43:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:43:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:43:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:43:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:43:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:43:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:43:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:43:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:43:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:43:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:43:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 07:43:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:43:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 07:43:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 07:43:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 07:43:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 07:43:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 07:43:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 07:43:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 07:43:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 07:43:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 07:43:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 07:43:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 07:43:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:16,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 07:43:16,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:43:16,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792352028] [2024-10-24 07:43:16,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792352028] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:43:16,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:43:16,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 07:43:16,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687076429] [2024-10-24 07:43:16,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:43:16,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 07:43:16,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:43:16,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 07:43:16,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-24 07:43:16,181 INFO L87 Difference]: Start difference. First operand 560 states and 893 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 07:43:19,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:43:19,107 INFO L93 Difference]: Finished difference Result 704 states and 1075 transitions. [2024-10-24 07:43:19,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 07:43:19,109 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 266 [2024-10-24 07:43:19,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:43:19,113 INFO L225 Difference]: With dead ends: 704 [2024-10-24 07:43:19,115 INFO L226 Difference]: Without dead ends: 702 [2024-10-24 07:43:19,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2024-10-24 07:43:19,116 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 415 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 07:43:19,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 929 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 07:43:19,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-10-24 07:43:19,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 626. [2024-10-24 07:43:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 418 states have (on average 1.4162679425837321) internal successors, (592), 423 states have internal predecessors, (592), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-10-24 07:43:19,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 984 transitions. [2024-10-24 07:43:19,179 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 984 transitions. Word has length 266 [2024-10-24 07:43:19,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:43:19,180 INFO L471 AbstractCegarLoop]: Abstraction has 626 states and 984 transitions. [2024-10-24 07:43:19,180 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, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-24 07:43:19,180 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 984 transitions. [2024-10-24 07:43:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-24 07:43:19,182 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:43:19,182 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:43:19,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 07:43:19,182 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:43:19,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:43:19,183 INFO L85 PathProgramCache]: Analyzing trace with hash -338887354, now seen corresponding path program 1 times [2024-10-24 07:43:19,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:43:19,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233563383] [2024-10-24 07:43:19,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:43:19,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:43:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:43:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:43:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:43:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:43:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:43:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:43:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:43:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:43:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:43:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:43:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:43:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:43:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:43:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:43:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:43:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:43:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:43:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:43:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:43:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:43:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 07:43:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:43:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 07:43:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:43:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 07:43:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:43:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 07:43:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:43:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 07:43:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:43:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 07:43:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 07:43:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 07:43:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 07:43:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 07:43:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 07:43:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 07:43:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 07:43:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 07:43:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 07:43:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-24 07:43:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 07:43:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 07:43:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 07:43:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:43:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 07:43:19,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:43:19,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233563383] [2024-10-24 07:43:19,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233563383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:43:19,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:43:19,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:43:19,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976367072] [2024-10-24 07:43:19,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:43:19,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:43:19,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:43:19,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:43:19,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:43:19,620 INFO L87 Difference]: Start difference. First operand 626 states and 984 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-24 07:43:19,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:43:19,921 INFO L93 Difference]: Finished difference Result 1150 states and 1790 transitions. [2024-10-24 07:43:19,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:43:19,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 266 [2024-10-24 07:43:19,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:43:19,926 INFO L225 Difference]: With dead ends: 1150 [2024-10-24 07:43:19,927 INFO L226 Difference]: Without dead ends: 613 [2024-10-24 07:43:19,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 07:43:19,929 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 213 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:43:19,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 316 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 07:43:19,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2024-10-24 07:43:19,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 598. [2024-10-24 07:43:19,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 384 states have (on average 1.3619791666666667) internal successors, (523), 389 states have internal predecessors, (523), 200 states have call successors, (200), 13 states have call predecessors, (200), 13 states have return successors, (200), 195 states have call predecessors, (200), 200 states have call successors, (200) [2024-10-24 07:43:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 923 transitions. [2024-10-24 07:43:19,978 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 923 transitions. Word has length 266 [2024-10-24 07:43:19,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:43:19,979 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 923 transitions. [2024-10-24 07:43:19,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-24 07:43:19,979 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 923 transitions. [2024-10-24 07:43:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 07:43:19,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:43:19,981 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:43:19,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 07:43:19,981 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:43:19,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:43:19,982 INFO L85 PathProgramCache]: Analyzing trace with hash -402549069, now seen corresponding path program 1 times [2024-10-24 07:43:19,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:43:19,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607951054] [2024-10-24 07:43:19,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:43:19,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:43:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat