./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-58.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 a5c711320733ec5ec88386ef11b3881177c4cbe73d1fa7ee8dbba5cbbbbb7035 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 09:28:14,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 09:28:14,829 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 09:28:14,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 09:28:14,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 09:28:14,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 09:28:14,855 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 09:28:14,855 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 09:28:14,856 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 09:28:14,856 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 09:28:14,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 09:28:14,857 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 09:28:14,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 09:28:14,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 09:28:14,858 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 09:28:14,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 09:28:14,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 09:28:14,860 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 09:28:14,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 09:28:14,860 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 09:28:14,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 09:28:14,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 09:28:14,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 09:28:14,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 09:28:14,863 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 09:28:14,863 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 09:28:14,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 09:28:14,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 09:28:14,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 09:28:14,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 09:28:14,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 09:28:14,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 09:28:14,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:28:14,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 09:28:14,866 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 09:28:14,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 09:28:14,867 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 09:28:14,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 09:28:14,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 09:28:14,867 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 09:28:14,868 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 09:28:14,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 09:28:14,869 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5c711320733ec5ec88386ef11b3881177c4cbe73d1fa7ee8dbba5cbbbbb7035 [2024-10-14 09:28:15,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 09:28:15,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 09:28:15,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 09:28:15,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 09:28:15,175 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 09:28:15,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-58.i [2024-10-14 09:28:16,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 09:28:16,870 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 09:28:16,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-58.i [2024-10-14 09:28:16,880 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dcd9ec45/7b073ed7aeb94890921963fc0bcd299c/FLAGdcaf121bd [2024-10-14 09:28:16,893 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dcd9ec45/7b073ed7aeb94890921963fc0bcd299c [2024-10-14 09:28:16,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 09:28:16,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 09:28:16,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 09:28:16,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 09:28:16,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 09:28:16,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:28:16" (1/1) ... [2024-10-14 09:28:16,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a35b5f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:16, skipping insertion in model container [2024-10-14 09:28:16,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:28:16" (1/1) ... [2024-10-14 09:28:16,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 09:28:17,084 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-58.i[919,932] [2024-10-14 09:28:17,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:28:17,185 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 09:28:17,209 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-58.i[919,932] [2024-10-14 09:28:17,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:28:17,271 INFO L204 MainTranslator]: Completed translation [2024-10-14 09:28:17,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17 WrapperNode [2024-10-14 09:28:17,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 09:28:17,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 09:28:17,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 09:28:17,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 09:28:17,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (1/1) ... [2024-10-14 09:28:17,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (1/1) ... [2024-10-14 09:28:17,335 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 252 [2024-10-14 09:28:17,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 09:28:17,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 09:28:17,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 09:28:17,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 09:28:17,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (1/1) ... [2024-10-14 09:28:17,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (1/1) ... [2024-10-14 09:28:17,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (1/1) ... [2024-10-14 09:28:17,376 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]. [2024-10-14 09:28:17,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (1/1) ... [2024-10-14 09:28:17,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (1/1) ... [2024-10-14 09:28:17,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (1/1) ... [2024-10-14 09:28:17,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (1/1) ... [2024-10-14 09:28:17,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (1/1) ... [2024-10-14 09:28:17,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (1/1) ... [2024-10-14 09:28:17,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 09:28:17,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 09:28:17,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 09:28:17,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 09:28:17,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (1/1) ... [2024-10-14 09:28:17,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:28:17,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:28:17,463 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) [2024-10-14 09:28:17,466 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 [2024-10-14 09:28:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 09:28:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 09:28:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 09:28:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 09:28:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 09:28:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 09:28:17,618 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 09:28:17,621 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 09:28:18,101 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-14 09:28:18,102 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 09:28:18,162 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 09:28:18,163 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 09:28:18,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:28:18 BoogieIcfgContainer [2024-10-14 09:28:18,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 09:28:18,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 09:28:18,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 09:28:18,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 09:28:18,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:28:16" (1/3) ... [2024-10-14 09:28:18,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a37eb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:28:18, skipping insertion in model container [2024-10-14 09:28:18,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:17" (2/3) ... [2024-10-14 09:28:18,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a37eb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:28:18, skipping insertion in model container [2024-10-14 09:28:18,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:28:18" (3/3) ... [2024-10-14 09:28:18,176 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-58.i [2024-10-14 09:28:18,192 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 09:28:18,193 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 09:28:18,268 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 09:28:18,275 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;@19c941e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 09:28:18,276 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 09:28:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 63 states have internal predecessors, (94), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-14 09:28:18,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-14 09:28:18,298 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:28:18,299 INFO L215 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:28:18,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:28:18,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:28:18,304 INFO L85 PathProgramCache]: Analyzing trace with hash -865540614, now seen corresponding path program 1 times [2024-10-14 09:28:18,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:28:18,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915791074] [2024-10-14 09:28:18,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:28:18,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:28:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:28:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:28:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:28:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:28:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:28:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:28:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:28:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:28:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:28:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:28:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:28:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:28:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:28:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:28:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:28:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:28:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:28:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:28:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:28:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:28:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:28:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:28:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:28:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:28:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:28:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:28:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:28:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 09:28:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 09:28:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 09:28:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 09:28:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 09:28:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 09:28:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 09:28:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 09:28:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 09:28:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 09:28:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2024-10-14 09:28:18,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:28:18,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915791074] [2024-10-14 09:28:18,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915791074] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:28:18,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:28:18,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 09:28:18,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450499413] [2024-10-14 09:28:18,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:28:18,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 09:28:18,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:28:18,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 09:28:18,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:28:18,935 INFO L87 Difference]: Start difference. First operand has 102 states, 62 states have (on average 1.5161290322580645) internal successors, (94), 63 states have internal predecessors, (94), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 2 states have call successors, (37) [2024-10-14 09:28:18,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:28:18,983 INFO L93 Difference]: Finished difference Result 201 states and 371 transitions. [2024-10-14 09:28:18,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 09:28:18,987 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 2 states have call successors, (37) Word has length 226 [2024-10-14 09:28:18,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:28:18,999 INFO L225 Difference]: With dead ends: 201 [2024-10-14 09:28:18,999 INFO L226 Difference]: Without dead ends: 100 [2024-10-14 09:28:19,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:28:19,009 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:28:19,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:28:19,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-10-14 09:28:19,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-10-14 09:28:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 61 states have internal predecessors, (88), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-14 09:28:19,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 162 transitions. [2024-10-14 09:28:19,063 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 162 transitions. Word has length 226 [2024-10-14 09:28:19,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:28:19,066 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 162 transitions. [2024-10-14 09:28:19,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 2 states have call successors, (37) [2024-10-14 09:28:19,066 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 162 transitions. [2024-10-14 09:28:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-14 09:28:19,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:28:19,072 INFO L215 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:28:19,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 09:28:19,073 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:28:19,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:28:19,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1891269960, now seen corresponding path program 1 times [2024-10-14 09:28:19,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:28:19,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915545504] [2024-10-14 09:28:19,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:28:19,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:28:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:28:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:28:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:28:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:28:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:28:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:28:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:28:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:28:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:28:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:28:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:28:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:28:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:28:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:28:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:28:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:28:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:28:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:28:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:28:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:28:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:28:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:28:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:28:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:28:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:28:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:28:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:28:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 09:28:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 09:28:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 09:28:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 09:28:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:19,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 09:28:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:20,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 09:28:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:20,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 09:28:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:20,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 09:28:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:20,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 09:28:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:20,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 09:28:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2024-10-14 09:28:20,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:28:20,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915545504] [2024-10-14 09:28:20,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915545504] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:28:20,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:28:20,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:28:20,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361816806] [2024-10-14 09:28:20,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:28:20,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:28:20,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:28:20,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:28:20,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:28:20,027 INFO L87 Difference]: Start difference. First operand 100 states and 162 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2024-10-14 09:28:20,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:28:20,199 INFO L93 Difference]: Finished difference Result 261 states and 422 transitions. [2024-10-14 09:28:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:28:20,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 226 [2024-10-14 09:28:20,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:28:20,205 INFO L225 Difference]: With dead ends: 261 [2024-10-14 09:28:20,207 INFO L226 Difference]: Without dead ends: 162 [2024-10-14 09:28:20,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:28:20,210 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 92 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:28:20,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 333 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 09:28:20,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-10-14 09:28:20,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 159. [2024-10-14 09:28:20,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 102 states have (on average 1.4705882352941178) internal successors, (150), 103 states have internal predecessors, (150), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-14 09:28:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 258 transitions. [2024-10-14 09:28:20,274 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 258 transitions. Word has length 226 [2024-10-14 09:28:20,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:28:20,275 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 258 transitions. [2024-10-14 09:28:20,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2024-10-14 09:28:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 258 transitions. [2024-10-14 09:28:20,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-14 09:28:20,281 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:28:20,281 INFO L215 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:28:20,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 09:28:20,282 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:28:20,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:28:20,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1702632758, now seen corresponding path program 1 times [2024-10-14 09:28:20,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:28:20,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658280393] [2024-10-14 09:28:20,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:28:20,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:28:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:28:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:28:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:28:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:28:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:28:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:28:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:28:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:28:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:28:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:28:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:28:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:28:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:28:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:28:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:28:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:28:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:28:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:28:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:28:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:28:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:28:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:28:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:28:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:28:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:28:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:28:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:28:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 09:28:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 09:28:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 09:28:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 09:28:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 09:28:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 09:28:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 09:28:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 09:28:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 09:28:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 09:28:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:28:24,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2024-10-14 09:28:24,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:28:24,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658280393] [2024-10-14 09:28:24,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658280393] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:28:24,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:28:24,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 09:28:24,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165829171] [2024-10-14 09:28:24,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:28:24,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 09:28:24,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:28:24,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 09:28:24,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:28:24,217 INFO L87 Difference]: Start difference. First operand 159 states and 258 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2024-10-14 09:28:24,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:28:24,393 INFO L93 Difference]: Finished difference Result 385 states and 628 transitions. [2024-10-14 09:28:24,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 09:28:24,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 226 [2024-10-14 09:28:24,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:28:24,399 INFO L225 Difference]: With dead ends: 385 [2024-10-14 09:28:24,399 INFO L226 Difference]: Without dead ends: 227 [2024-10-14 09:28:24,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:28:24,401 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 47 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:28:24,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 425 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 09:28:24,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-10-14 09:28:24,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 195. [2024-10-14 09:28:24,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 138 states have (on average 1.536231884057971) internal successors, (212), 139 states have internal predecessors, (212), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-14 09:28:24,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 320 transitions. [2024-10-14 09:28:24,450 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 320 transitions. Word has length 226 [2024-10-14 09:28:24,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:28:24,451 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 320 transitions. [2024-10-14 09:28:24,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2024-10-14 09:28:24,451 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 320 transitions. [2024-10-14 09:28:24,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-14 09:28:24,456 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:28:24,456 INFO L215 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:28:24,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 09:28:24,457 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:28:24,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:28:24,457 INFO L85 PathProgramCache]: Analyzing trace with hash 893286132, now seen corresponding path program 1 times [2024-10-14 09:28:24,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:28:24,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70755084] [2024-10-14 09:28:24,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:28:24,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:28:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:29:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:29:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 09:29:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:29:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 09:29:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:29:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 09:29:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:29:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 09:29:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:29:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 09:29:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:29:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:29:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:29:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:29:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:29:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:29:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:29:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:29:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:29:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:29:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:29:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:29:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:29:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:29:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:29:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:29:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 09:29:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 09:29:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 09:29:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 09:29:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 09:29:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 09:29:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 09:29:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 09:29:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 09:29:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 09:29:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2024-10-14 09:29:10,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:29:10,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70755084] [2024-10-14 09:29:10,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70755084] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:29:10,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:29:10,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-14 09:29:10,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453632273] [2024-10-14 09:29:10,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:29:10,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 09:29:10,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:29:10,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 09:29:10,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-10-14 09:29:10,571 INFO L87 Difference]: Start difference. First operand 195 states and 320 transitions. Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2024-10-14 09:29:22,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:29:22,614 INFO L93 Difference]: Finished difference Result 1226 states and 1988 transitions. [2024-10-14 09:29:22,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-14 09:29:22,616 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 226 [2024-10-14 09:29:22,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:29:22,624 INFO L225 Difference]: With dead ends: 1226 [2024-10-14 09:29:22,624 INFO L226 Difference]: Without dead ends: 1032 [2024-10-14 09:29:22,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=421, Invalid=1139, Unknown=0, NotChecked=0, Total=1560 [2024-10-14 09:29:22,628 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 1084 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1084 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-10-14 09:29:22,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1084 Valid, 1043 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-10-14 09:29:22,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-10-14 09:29:22,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 452. [2024-10-14 09:29:22,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 353 states have (on average 1.575070821529745) internal successors, (556), 355 states have internal predecessors, (556), 94 states have call successors, (94), 4 states have call predecessors, (94), 4 states have return successors, (94), 92 states have call predecessors, (94), 94 states have call successors, (94) [2024-10-14 09:29:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 744 transitions. [2024-10-14 09:29:22,695 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 744 transitions. Word has length 226 [2024-10-14 09:29:22,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:29:22,696 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 744 transitions. [2024-10-14 09:29:22,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 1 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2024-10-14 09:29:22,696 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 744 transitions. [2024-10-14 09:29:22,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-14 09:29:22,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:29:22,701 INFO L215 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:29:22,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 09:29:22,701 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:29:22,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:29:22,702 INFO L85 PathProgramCache]: Analyzing trace with hash -386577546, now seen corresponding path program 1 times [2024-10-14 09:29:22,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:29:22,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357131849] [2024-10-14 09:29:22,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:29:22,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:29:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat