./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-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-64.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 93ddecb04a6299d03367d49b2a7c18daa1f10c6a17d17e5a40552766d0a5b65a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:23:20,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:23:20,794 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:23:20,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:23:20,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:23:20,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:23:20,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:23:20,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:23:20,823 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:23:20,825 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:23:20,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:23:20,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:23:20,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:23:20,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:23:20,828 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:23:20,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:23:20,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:23:20,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:23:20,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:23:20,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:23:20,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:23:20,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:23:20,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:23:20,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:23:20,834 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:23:20,834 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:23:20,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:23:20,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:23:20,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:23:20,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:23:20,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:23:20,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:23:20,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:23:20,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:23:20,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:23:20,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:23:20,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:23:20,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:23:20,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:23:20,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:23:20,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:23:20,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:23:20,838 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ddecb04a6299d03367d49b2a7c18daa1f10c6a17d17e5a40552766d0a5b65a [2024-10-13 02:23:21,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:23:21,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:23:21,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:23:21,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:23:21,073 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:23:21,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-64.i [2024-10-13 02:23:22,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:23:22,566 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:23:22,567 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-64.i [2024-10-13 02:23:22,579 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56ec58f7b/0d6142a844404c9ba30d094405ec05a1/FLAGa83fe4592 [2024-10-13 02:23:22,960 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56ec58f7b/0d6142a844404c9ba30d094405ec05a1 [2024-10-13 02:23:22,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:23:22,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:23:22,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:23:22,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:23:22,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:23:22,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:23:22" (1/1) ... [2024-10-13 02:23:22,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345540f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:22, skipping insertion in model container [2024-10-13 02:23:22,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:23:22" (1/1) ... [2024-10-13 02:23:22,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:23:23,190 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-64.i[919,932] [2024-10-13 02:23:23,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:23:23,259 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:23:23,268 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-64.i[919,932] [2024-10-13 02:23:23,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:23:23,311 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:23:23,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23 WrapperNode [2024-10-13 02:23:23,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:23:23,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:23:23,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:23:23,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:23:23,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (1/1) ... [2024-10-13 02:23:23,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (1/1) ... [2024-10-13 02:23:23,365 INFO L138 Inliner]: procedures = 26, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-10-13 02:23:23,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:23:23,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:23:23,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:23:23,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:23:23,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (1/1) ... [2024-10-13 02:23:23,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (1/1) ... [2024-10-13 02:23:23,386 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (1/1) ... [2024-10-13 02:23:23,403 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 02:23:23,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (1/1) ... [2024-10-13 02:23:23,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (1/1) ... [2024-10-13 02:23:23,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (1/1) ... [2024-10-13 02:23:23,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (1/1) ... [2024-10-13 02:23:23,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (1/1) ... [2024-10-13 02:23:23,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (1/1) ... [2024-10-13 02:23:23,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:23:23,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:23:23,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:23:23,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:23:23,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (1/1) ... [2024-10-13 02:23:23,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:23:23,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:23:23,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 02:23:23,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 02:23:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:23:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:23:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:23:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:23:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:23:23,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:23:23,599 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:23:23,601 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:23:23,911 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-13 02:23:23,911 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:23:23,937 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:23:23,937 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:23:23,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:23:23 BoogieIcfgContainer [2024-10-13 02:23:23,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:23:23,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:23:23,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:23:23,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:23:23,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:23:22" (1/3) ... [2024-10-13 02:23:23,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47babeb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:23:23, skipping insertion in model container [2024-10-13 02:23:23,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:23:23" (2/3) ... [2024-10-13 02:23:23,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47babeb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:23:23, skipping insertion in model container [2024-10-13 02:23:23,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:23:23" (3/3) ... [2024-10-13 02:23:23,943 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-64.i [2024-10-13 02:23:23,955 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:23:23,955 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:23:23,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:23:24,003 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;@17953481, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:23:24,003 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:23:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 62 states have internal predecessors, (86), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-13 02:23:24,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-10-13 02:23:24,024 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:23:24,025 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:23:24,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:23:24,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:23:24,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1717957512, now seen corresponding path program 1 times [2024-10-13 02:23:24,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:23:24,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804110376] [2024-10-13 02:23:24,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:23:24,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:23:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:24,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:23:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:24,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:23:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:24,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:23:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:24,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:23:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:24,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:23:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:24,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:23:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:24,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:23:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:24,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:23:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:24,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:23:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:24,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:23:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:24,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:23:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:23:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:23:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:23:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:23:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:23:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:23:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:23:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:23:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:23:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:23:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:23:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:23:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:23:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:23:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:23:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:23:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:23:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:23:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:23:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:23:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:23:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:23:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 02:23:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 02:23:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 02:23:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 02:23:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 02:23:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 02:23:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 02:23:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 02:23:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 02:23:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 02:23:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:23:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 02:23:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:23:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-13 02:23:25,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:23:25,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804110376] [2024-10-13 02:23:25,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804110376] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:23:25,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:23:25,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:23:25,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71856718] [2024-10-13 02:23:25,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:23:25,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:23:25,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:23:25,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:23:25,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:23:25,190 INFO L87 Difference]: Start difference. First operand has 110 states, 61 states have (on average 1.4098360655737705) internal successors, (86), 62 states have internal predecessors, (86), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-13 02:23:25,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:23:25,567 INFO L93 Difference]: Finished difference Result 331 states and 630 transitions. [2024-10-13 02:23:25,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:23:25,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 277 [2024-10-13 02:23:25,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:23:25,581 INFO L225 Difference]: With dead ends: 331 [2024-10-13 02:23:25,581 INFO L226 Difference]: Without dead ends: 222 [2024-10-13 02:23:25,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:23:25,590 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 171 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:23:25,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 947 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:23:25,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-13 02:23:25,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 114. [2024-10-13 02:23:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-13 02:23:25,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 182 transitions. [2024-10-13 02:23:25,645 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 182 transitions. Word has length 277 [2024-10-13 02:23:25,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:23:25,647 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 182 transitions. [2024-10-13 02:23:25,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-13 02:23:25,648 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 182 transitions. [2024-10-13 02:23:25,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-10-13 02:23:25,651 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:23:25,652 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:23:25,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:23:25,652 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:23:25,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:23:25,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1896951414, now seen corresponding path program 1 times [2024-10-13 02:23:25,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:23:25,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641473142] [2024-10-13 02:23:25,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:23:25,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:23:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:23:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:23:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:23:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:23:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:23:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:23:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:23:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:23:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:23:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:23:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:23:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:23:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:23:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:23:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:23:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:23:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:23:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:23:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:23:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:23:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:23:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:23:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:23:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:23:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:23:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:23:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:23:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:23:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:23:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:23:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:23:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:23:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:23:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 02:23:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 02:23:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 02:23:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:25,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 02:23:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 02:23:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 02:23:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 02:23:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 02:23:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 02:23:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 02:23:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:23:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 02:23:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:23:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-13 02:23:26,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:23:26,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641473142] [2024-10-13 02:23:26,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641473142] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:23:26,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:23:26,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:23:26,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670786928] [2024-10-13 02:23:26,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:23:26,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:23:26,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:23:26,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:23:26,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:23:26,026 INFO L87 Difference]: Start difference. First operand 114 states and 182 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-13 02:23:26,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:23:26,289 INFO L93 Difference]: Finished difference Result 335 states and 530 transitions. [2024-10-13 02:23:26,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:23:26,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 277 [2024-10-13 02:23:26,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:23:26,296 INFO L225 Difference]: With dead ends: 335 [2024-10-13 02:23:26,296 INFO L226 Difference]: Without dead ends: 222 [2024-10-13 02:23:26,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:23:26,298 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 170 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:23:26,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 857 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:23:26,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-13 02:23:26,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 114. [2024-10-13 02:23:26,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-13 02:23:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 182 transitions. [2024-10-13 02:23:26,315 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 182 transitions. Word has length 277 [2024-10-13 02:23:26,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:23:26,315 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 182 transitions. [2024-10-13 02:23:26,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-13 02:23:26,316 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 182 transitions. [2024-10-13 02:23:26,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-10-13 02:23:26,318 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:23:26,318 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:23:26,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 02:23:26,319 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:23:26,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:23:26,319 INFO L85 PathProgramCache]: Analyzing trace with hash -748825974, now seen corresponding path program 1 times [2024-10-13 02:23:26,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:23:26,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837047523] [2024-10-13 02:23:26,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:23:26,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:23:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:23:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:23:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:23:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:23:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:23:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:23:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:23:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:23:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:23:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:23:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:23:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:23:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:23:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:23:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:23:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:23:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:23:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:23:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:23:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:23:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:23:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:23:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:23:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:23:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:23:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:23:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:23:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:23:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:23:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:23:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:23:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:23:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:23:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 02:23:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 02:23:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 02:23:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 02:23:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 02:23:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 02:23:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 02:23:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 02:23:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 02:23:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 02:23:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:23:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 02:23:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:23:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-13 02:23:26,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:23:26,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837047523] [2024-10-13 02:23:26,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837047523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:23:26,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:23:26,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:23:26,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433023403] [2024-10-13 02:23:26,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:23:26,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:23:26,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:23:26,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:23:26,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:23:26,605 INFO L87 Difference]: Start difference. First operand 114 states and 182 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-13 02:23:26,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:23:26,799 INFO L93 Difference]: Finished difference Result 409 states and 649 transitions. [2024-10-13 02:23:26,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:23:26,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 277 [2024-10-13 02:23:26,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:23:26,803 INFO L225 Difference]: With dead ends: 409 [2024-10-13 02:23:26,803 INFO L226 Difference]: Without dead ends: 296 [2024-10-13 02:23:26,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:23:26,804 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 290 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:23:26,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 806 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:23:26,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-10-13 02:23:26,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 114. [2024-10-13 02:23:26,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 66 states have internal predecessors, (90), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-13 02:23:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 182 transitions. [2024-10-13 02:23:26,819 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 182 transitions. Word has length 277 [2024-10-13 02:23:26,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:23:26,820 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 182 transitions. [2024-10-13 02:23:26,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-13 02:23:26,820 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 182 transitions. [2024-10-13 02:23:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-10-13 02:23:26,823 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:23:26,823 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:23:26,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 02:23:26,823 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:23:26,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:23:26,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1428884344, now seen corresponding path program 1 times [2024-10-13 02:23:26,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:23:26,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805851064] [2024-10-13 02:23:26,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:23:26,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:23:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:23:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:23:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:23:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:23:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:23:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:23:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:23:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:23:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:23:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:23:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:23:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:23:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:23:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:23:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:23:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:23:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:23:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:23:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:23:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:26,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:23:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:23:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:23:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:23:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:23:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:23:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:23:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:23:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:23:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:23:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:23:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:23:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:23:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:23:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 02:23:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 02:23:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 02:23:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 02:23:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 02:23:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-13 02:23:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-13 02:23:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 02:23:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 02:23:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-13 02:23:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:23:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-13 02:23:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-13 02:23:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:23:27,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-10-13 02:23:27,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:23:27,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805851064] [2024-10-13 02:23:27,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805851064] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:23:27,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:23:27,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:23:27,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767620773] [2024-10-13 02:23:27,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:23:27,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:23:27,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:23:27,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:23:27,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:23:27,033 INFO L87 Difference]: Start difference. First operand 114 states and 182 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-13 02:23:27,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:23:27,218 INFO L93 Difference]: Finished difference Result 409 states and 648 transitions. [2024-10-13 02:23:27,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:23:27,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 277 [2024-10-13 02:23:27,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:23:27,220 INFO L225 Difference]: With dead ends: 409 [2024-10-13 02:23:27,220 INFO L226 Difference]: Without dead ends: 296 [2024-10-13 02:23:27,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:23:27,222 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 289 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:23:27,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 821 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:23:27,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-10-13 02:23:27,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 108. [2024-10-13 02:23:27,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 60 states have internal predecessors, (80), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-13 02:23:27,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 172 transitions. [2024-10-13 02:23:27,234 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 172 transitions. Word has length 277 [2024-10-13 02:23:27,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:23:27,235 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 172 transitions. [2024-10-13 02:23:27,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2024-10-13 02:23:27,235 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 172 transitions. [2024-10-13 02:23:27,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-10-13 02:23:27,237 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:23:27,238 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:23:27,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 02:23:27,238 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:23:27,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:23:27,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1283226573, now seen corresponding path program 1 times [2024-10-13 02:23:27,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:23:27,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382798580] [2024-10-13 02:23:27,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:23:27,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:23:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat