./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-76.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 8cc1254b56c35a5957910a792c61c07dcc83238ffe78e59788d87f7ad9ed5713 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 01:21:24,196 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 01:21:24,282 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 01:21:24,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 01:21:24,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 01:21:24,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 01:21:24,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 01:21:24,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 01:21:24,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 01:21:24,326 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 01:21:24,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 01:21:24,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 01:21:24,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 01:21:24,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 01:21:24,329 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 01:21:24,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 01:21:24,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 01:21:24,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 01:21:24,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 01:21:24,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 01:21:24,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 01:21:24,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 01:21:24,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 01:21:24,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 01:21:24,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 01:21:24,336 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 01:21:24,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 01:21:24,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 01:21:24,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 01:21:24,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 01:21:24,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 01:21:24,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 01:21:24,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 01:21:24,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 01:21:24,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 01:21:24,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 01:21:24,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 01:21:24,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 01:21:24,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 01:21:24,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 01:21:24,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 01:21:24,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 01:21:24,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cc1254b56c35a5957910a792c61c07dcc83238ffe78e59788d87f7ad9ed5713 [2024-11-19 01:21:24,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 01:21:24,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 01:21:24,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 01:21:24,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 01:21:24,639 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 01:21:24,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-76.i [2024-11-19 01:21:26,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 01:21:26,310 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 01:21:26,310 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-76.i [2024-11-19 01:21:26,321 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbebf677d/96dac7624fa348bbbb4e69e9bf70531f/FLAG6e45ed34a [2024-11-19 01:21:26,681 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbebf677d/96dac7624fa348bbbb4e69e9bf70531f [2024-11-19 01:21:26,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 01:21:26,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 01:21:26,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 01:21:26,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 01:21:26,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 01:21:26,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:21:26" (1/1) ... [2024-11-19 01:21:26,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d67141c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:26, skipping insertion in model container [2024-11-19 01:21:26,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:21:26" (1/1) ... [2024-11-19 01:21:26,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 01:21:26,903 WARN L250 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_variablewrapping_wrapper-sp_file-76.i[917,930] [2024-11-19 01:21:26,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 01:21:26,969 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 01:21:26,984 WARN L250 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_variablewrapping_wrapper-sp_file-76.i[917,930] [2024-11-19 01:21:27,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 01:21:27,048 INFO L204 MainTranslator]: Completed translation [2024-11-19 01:21:27,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27 WrapperNode [2024-11-19 01:21:27,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 01:21:27,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 01:21:27,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 01:21:27,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 01:21:27,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (1/1) ... [2024-11-19 01:21:27,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (1/1) ... [2024-11-19 01:21:27,107 INFO L138 Inliner]: procedures = 30, calls = 134, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 424 [2024-11-19 01:21:27,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 01:21:27,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 01:21:27,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 01:21:27,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 01:21:27,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (1/1) ... [2024-11-19 01:21:27,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (1/1) ... [2024-11-19 01:21:27,124 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (1/1) ... [2024-11-19 01:21:27,135 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-19 01:21:27,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (1/1) ... [2024-11-19 01:21:27,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (1/1) ... [2024-11-19 01:21:27,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (1/1) ... [2024-11-19 01:21:27,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (1/1) ... [2024-11-19 01:21:27,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (1/1) ... [2024-11-19 01:21:27,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (1/1) ... [2024-11-19 01:21:27,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 01:21:27,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 01:21:27,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 01:21:27,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 01:21:27,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (1/1) ... [2024-11-19 01:21:27,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 01:21:27,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:21:27,230 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) [2024-11-19 01:21:27,234 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 [2024-11-19 01:21:27,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 01:21:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-19 01:21:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-19 01:21:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-19 01:21:27,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 01:21:27,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-19 01:21:27,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 01:21:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 01:21:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 01:21:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 01:21:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 01:21:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 01:21:27,438 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 01:21:27,440 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 01:21:27,923 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-11-19 01:21:27,924 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 01:21:27,940 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 01:21:27,940 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 01:21:27,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:21:27 BoogieIcfgContainer [2024-11-19 01:21:27,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 01:21:27,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 01:21:27,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 01:21:27,948 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 01:21:27,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:21:26" (1/3) ... [2024-11-19 01:21:27,949 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66631798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:21:27, skipping insertion in model container [2024-11-19 01:21:27,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:21:27" (2/3) ... [2024-11-19 01:21:27,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66631798 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:21:27, skipping insertion in model container [2024-11-19 01:21:27,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:21:27" (3/3) ... [2024-11-19 01:21:27,952 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-76.i [2024-11-19 01:21:27,970 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 01:21:27,971 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 01:21:28,028 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 01:21:28,038 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;@1a996fa9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 01:21:28,039 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 01:21:28,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 85 states have internal predecessors, (119), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 01:21:28,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 01:21:28,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:28,058 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:28,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:28,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:28,064 INFO L85 PathProgramCache]: Analyzing trace with hash -2020212237, now seen corresponding path program 1 times [2024-11-19 01:21:28,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:28,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359192154] [2024-11-19 01:21:28,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:28,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-19 01:21:28,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:28,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359192154] [2024-11-19 01:21:28,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359192154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:21:28,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924502928] [2024-11-19 01:21:28,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:28,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:21:28,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:21:28,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:21:28,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 01:21:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:28,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 01:21:28,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:21:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-19 01:21:28,758 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 01:21:28,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924502928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:28,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 01:21:28,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 01:21:28,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580649104] [2024-11-19 01:21:28,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:28,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 01:21:28,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:28,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 01:21:28,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 01:21:28,784 INFO L87 Difference]: Start difference. First operand has 102 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 85 states have internal predecessors, (119), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 01:21:28,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:28,809 INFO L93 Difference]: Finished difference Result 193 states and 301 transitions. [2024-11-19 01:21:28,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 01:21:28,811 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2024-11-19 01:21:28,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:28,817 INFO L225 Difference]: With dead ends: 193 [2024-11-19 01:21:28,817 INFO L226 Difference]: Without dead ends: 94 [2024-11-19 01:21:28,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 01:21:28,826 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:28,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:21:28,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-19 01:21:28,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-19 01:21:28,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 77 states have internal predecessors, (103), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 01:21:28,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 133 transitions. [2024-11-19 01:21:28,865 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 133 transitions. Word has length 119 [2024-11-19 01:21:28,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:28,866 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 133 transitions. [2024-11-19 01:21:28,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 01:21:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2024-11-19 01:21:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 01:21:28,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:28,869 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:28,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 01:21:29,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 01:21:29,074 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:29,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:29,075 INFO L85 PathProgramCache]: Analyzing trace with hash 189444987, now seen corresponding path program 1 times [2024-11-19 01:21:29,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:29,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510260474] [2024-11-19 01:21:29,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:29,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:29,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:29,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510260474] [2024-11-19 01:21:29,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510260474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:29,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:29,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 01:21:29,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859749343] [2024-11-19 01:21:29,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:29,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 01:21:29,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:29,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 01:21:29,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 01:21:29,494 INFO L87 Difference]: Start difference. First operand 94 states and 133 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 01:21:29,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:29,541 INFO L93 Difference]: Finished difference Result 187 states and 266 transitions. [2024-11-19 01:21:29,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 01:21:29,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2024-11-19 01:21:29,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:29,546 INFO L225 Difference]: With dead ends: 187 [2024-11-19 01:21:29,546 INFO L226 Difference]: Without dead ends: 96 [2024-11-19 01:21:29,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 01:21:29,548 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:29,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 382 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:21:29,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-19 01:21:29,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-19 01:21:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.3291139240506329) internal successors, (105), 79 states have internal predecessors, (105), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 01:21:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2024-11-19 01:21:29,565 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 119 [2024-11-19 01:21:29,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:29,566 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2024-11-19 01:21:29,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 01:21:29,567 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2024-11-19 01:21:29,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 01:21:29,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:29,571 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:29,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 01:21:29,571 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:29,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:29,572 INFO L85 PathProgramCache]: Analyzing trace with hash -649588675, now seen corresponding path program 1 times [2024-11-19 01:21:29,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:29,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540918223] [2024-11-19 01:21:29,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:29,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:29,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:29,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540918223] [2024-11-19 01:21:29,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540918223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:29,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:29,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 01:21:29,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883666006] [2024-11-19 01:21:29,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:29,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 01:21:29,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:29,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 01:21:29,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 01:21:29,816 INFO L87 Difference]: Start difference. First operand 96 states and 135 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:29,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:29,842 INFO L93 Difference]: Finished difference Result 189 states and 267 transitions. [2024-11-19 01:21:29,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 01:21:29,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 119 [2024-11-19 01:21:29,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:29,844 INFO L225 Difference]: With dead ends: 189 [2024-11-19 01:21:29,844 INFO L226 Difference]: Without dead ends: 96 [2024-11-19 01:21:29,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 01:21:29,848 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:29,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 259 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:21:29,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-19 01:21:29,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-19 01:21:29,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.3164556962025316) internal successors, (104), 79 states have internal predecessors, (104), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-19 01:21:29,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 134 transitions. [2024-11-19 01:21:29,887 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 134 transitions. Word has length 119 [2024-11-19 01:21:29,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:29,892 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 134 transitions. [2024-11-19 01:21:29,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:29,892 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 134 transitions. [2024-11-19 01:21:29,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 01:21:29,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:29,894 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:29,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 01:21:29,894 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:29,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:29,895 INFO L85 PathProgramCache]: Analyzing trace with hash 4751163, now seen corresponding path program 1 times [2024-11-19 01:21:29,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:29,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175291240] [2024-11-19 01:21:29,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:29,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:30,377 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:30,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:30,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175291240] [2024-11-19 01:21:30,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175291240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:30,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:30,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 01:21:30,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104357648] [2024-11-19 01:21:30,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:30,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 01:21:30,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:30,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 01:21:30,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 01:21:30,385 INFO L87 Difference]: Start difference. First operand 96 states and 134 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:30,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:30,702 INFO L93 Difference]: Finished difference Result 283 states and 397 transitions. [2024-11-19 01:21:30,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 01:21:30,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 120 [2024-11-19 01:21:30,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:30,705 INFO L225 Difference]: With dead ends: 283 [2024-11-19 01:21:30,705 INFO L226 Difference]: Without dead ends: 190 [2024-11-19 01:21:30,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-19 01:21:30,708 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 100 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:30,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 393 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 01:21:30,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-19 01:21:30,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 141. [2024-11-19 01:21:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 108 states have (on average 1.2592592592592593) internal successors, (136), 108 states have internal predecessors, (136), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:30,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 196 transitions. [2024-11-19 01:21:30,741 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 196 transitions. Word has length 120 [2024-11-19 01:21:30,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:30,742 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 196 transitions. [2024-11-19 01:21:30,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 196 transitions. [2024-11-19 01:21:30,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 01:21:30,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:30,744 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:30,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 01:21:30,744 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:30,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:30,747 INFO L85 PathProgramCache]: Analyzing trace with hash 427452989, now seen corresponding path program 1 times [2024-11-19 01:21:30,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:30,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124918094] [2024-11-19 01:21:30,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:30,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:33,444 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:33,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:33,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124918094] [2024-11-19 01:21:33,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124918094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:33,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:33,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 01:21:33,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522778212] [2024-11-19 01:21:33,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:33,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 01:21:33,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:33,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 01:21:33,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-19 01:21:33,449 INFO L87 Difference]: Start difference. First operand 141 states and 196 transitions. Second operand has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 01:21:34,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:34,221 INFO L93 Difference]: Finished difference Result 284 states and 397 transitions. [2024-11-19 01:21:34,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 01:21:34,222 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 120 [2024-11-19 01:21:34,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:34,225 INFO L225 Difference]: With dead ends: 284 [2024-11-19 01:21:34,225 INFO L226 Difference]: Without dead ends: 191 [2024-11-19 01:21:34,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-19 01:21:34,228 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 281 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:34,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 408 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 01:21:34,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-19 01:21:34,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 158. [2024-11-19 01:21:34,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 125 states have (on average 1.28) internal successors, (160), 125 states have internal predecessors, (160), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:34,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 220 transitions. [2024-11-19 01:21:34,258 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 220 transitions. Word has length 120 [2024-11-19 01:21:34,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:34,259 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 220 transitions. [2024-11-19 01:21:34,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 01:21:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 220 transitions. [2024-11-19 01:21:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-19 01:21:34,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:34,261 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:34,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 01:21:34,261 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:34,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:34,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1480347512, now seen corresponding path program 1 times [2024-11-19 01:21:34,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:34,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784617385] [2024-11-19 01:21:34,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:34,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:34,389 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:34,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:34,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784617385] [2024-11-19 01:21:34,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784617385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:34,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:34,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 01:21:34,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604356435] [2024-11-19 01:21:34,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:34,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 01:21:34,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:34,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 01:21:34,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 01:21:34,396 INFO L87 Difference]: Start difference. First operand 158 states and 220 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:34,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:34,421 INFO L93 Difference]: Finished difference Result 268 states and 375 transitions. [2024-11-19 01:21:34,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 01:21:34,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2024-11-19 01:21:34,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:34,424 INFO L225 Difference]: With dead ends: 268 [2024-11-19 01:21:34,424 INFO L226 Difference]: Without dead ends: 158 [2024-11-19 01:21:34,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 01:21:34,425 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:34,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 256 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:21:34,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-19 01:21:34,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-11-19 01:21:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 125 states have (on average 1.272) internal successors, (159), 125 states have internal predecessors, (159), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 219 transitions. [2024-11-19 01:21:34,450 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 219 transitions. Word has length 122 [2024-11-19 01:21:34,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:34,450 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 219 transitions. [2024-11-19 01:21:34,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:34,451 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 219 transitions. [2024-11-19 01:21:34,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-19 01:21:34,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:34,452 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:34,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 01:21:34,452 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:34,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:34,453 INFO L85 PathProgramCache]: Analyzing trace with hash -725682600, now seen corresponding path program 1 times [2024-11-19 01:21:34,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:34,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806926219] [2024-11-19 01:21:34,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:34,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:34,859 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:34,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:34,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806926219] [2024-11-19 01:21:34,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806926219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:34,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:34,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 01:21:34,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143976701] [2024-11-19 01:21:34,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:34,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 01:21:34,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:34,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 01:21:34,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-19 01:21:34,862 INFO L87 Difference]: Start difference. First operand 158 states and 219 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:35,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:35,209 INFO L93 Difference]: Finished difference Result 274 states and 383 transitions. [2024-11-19 01:21:35,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 01:21:35,210 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 122 [2024-11-19 01:21:35,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:35,212 INFO L225 Difference]: With dead ends: 274 [2024-11-19 01:21:35,212 INFO L226 Difference]: Without dead ends: 164 [2024-11-19 01:21:35,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:21:35,214 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 93 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:35,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 374 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 01:21:35,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-19 01:21:35,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2024-11-19 01:21:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 127 states have (on average 1.2677165354330708) internal successors, (161), 127 states have internal predecessors, (161), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 221 transitions. [2024-11-19 01:21:35,247 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 221 transitions. Word has length 122 [2024-11-19 01:21:35,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:35,248 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 221 transitions. [2024-11-19 01:21:35,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:35,249 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 221 transitions. [2024-11-19 01:21:35,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 01:21:35,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:35,250 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:35,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 01:21:35,251 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:35,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:35,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1213675190, now seen corresponding path program 1 times [2024-11-19 01:21:35,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:35,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392786318] [2024-11-19 01:21:35,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:35,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-19 01:21:35,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:35,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392786318] [2024-11-19 01:21:35,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392786318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:21:35,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506105084] [2024-11-19 01:21:35,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:35,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:21:35,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:21:35,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:21:35,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 01:21:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:35,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 01:21:35,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:21:35,742 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:35,743 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 01:21:35,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506105084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:35,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 01:21:35,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-11-19 01:21:35,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488758931] [2024-11-19 01:21:35,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:35,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 01:21:35,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:35,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 01:21:35,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 01:21:35,746 INFO L87 Difference]: Start difference. First operand 160 states and 221 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:35,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:35,792 INFO L93 Difference]: Finished difference Result 276 states and 382 transitions. [2024-11-19 01:21:35,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 01:21:35,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2024-11-19 01:21:35,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:35,794 INFO L225 Difference]: With dead ends: 276 [2024-11-19 01:21:35,794 INFO L226 Difference]: Without dead ends: 164 [2024-11-19 01:21:35,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 01:21:35,796 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:35,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 615 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:21:35,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-19 01:21:35,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-11-19 01:21:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 131 states have (on average 1.2595419847328244) internal successors, (165), 131 states have internal predecessors, (165), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:35,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 225 transitions. [2024-11-19 01:21:35,817 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 225 transitions. Word has length 124 [2024-11-19 01:21:35,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:35,818 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 225 transitions. [2024-11-19 01:21:35,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 225 transitions. [2024-11-19 01:21:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 01:21:35,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:35,819 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:35,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 01:21:36,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-19 01:21:36,020 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:36,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:36,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1518996242, now seen corresponding path program 1 times [2024-11-19 01:21:36,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:36,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910371724] [2024-11-19 01:21:36,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:36,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:36,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:36,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910371724] [2024-11-19 01:21:36,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910371724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:36,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:36,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 01:21:36,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693742107] [2024-11-19 01:21:36,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:36,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 01:21:36,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:36,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 01:21:36,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 01:21:36,113 INFO L87 Difference]: Start difference. First operand 164 states and 225 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:36,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:36,135 INFO L93 Difference]: Finished difference Result 282 states and 389 transitions. [2024-11-19 01:21:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 01:21:36,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2024-11-19 01:21:36,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:36,138 INFO L225 Difference]: With dead ends: 282 [2024-11-19 01:21:36,138 INFO L226 Difference]: Without dead ends: 166 [2024-11-19 01:21:36,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 01:21:36,139 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:36,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 254 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:21:36,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-19 01:21:36,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2024-11-19 01:21:36,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 133 states have (on average 1.255639097744361) internal successors, (167), 133 states have internal predecessors, (167), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:36,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 227 transitions. [2024-11-19 01:21:36,159 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 227 transitions. Word has length 124 [2024-11-19 01:21:36,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:36,160 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 227 transitions. [2024-11-19 01:21:36,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:36,160 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 227 transitions. [2024-11-19 01:21:36,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 01:21:36,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:36,161 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:36,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 01:21:36,162 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:36,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:36,162 INFO L85 PathProgramCache]: Analyzing trace with hash 507878992, now seen corresponding path program 1 times [2024-11-19 01:21:36,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:36,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79267525] [2024-11-19 01:21:36,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:36,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:37,896 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:37,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:37,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79267525] [2024-11-19 01:21:37,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79267525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:37,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:37,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 01:21:37,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166418051] [2024-11-19 01:21:37,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:37,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 01:21:37,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:37,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 01:21:37,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-19 01:21:37,900 INFO L87 Difference]: Start difference. First operand 166 states and 227 transitions. Second operand has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 13 states have internal predecessors, (52), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-19 01:21:38,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:38,971 INFO L93 Difference]: Finished difference Result 332 states and 451 transitions. [2024-11-19 01:21:38,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 01:21:38,972 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 13 states have internal predecessors, (52), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 124 [2024-11-19 01:21:38,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:38,974 INFO L225 Difference]: With dead ends: 332 [2024-11-19 01:21:38,974 INFO L226 Difference]: Without dead ends: 214 [2024-11-19 01:21:38,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2024-11-19 01:21:38,975 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 277 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:38,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 540 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 01:21:38,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-19 01:21:38,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 171. [2024-11-19 01:21:38,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 138 states have (on average 1.2608695652173914) internal successors, (174), 138 states have internal predecessors, (174), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:38,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 234 transitions. [2024-11-19 01:21:38,998 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 234 transitions. Word has length 124 [2024-11-19 01:21:38,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:38,998 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 234 transitions. [2024-11-19 01:21:38,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 13 states have internal predecessors, (52), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-19 01:21:38,999 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 234 transitions. [2024-11-19 01:21:39,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-19 01:21:39,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:39,001 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:39,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 01:21:39,001 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:39,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:39,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1018530735, now seen corresponding path program 1 times [2024-11-19 01:21:39,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:39,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067244643] [2024-11-19 01:21:39,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:39,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:39,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:39,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067244643] [2024-11-19 01:21:39,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067244643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:39,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:39,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 01:21:39,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158183061] [2024-11-19 01:21:39,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:39,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 01:21:39,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:39,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 01:21:39,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:21:39,426 INFO L87 Difference]: Start difference. First operand 171 states and 234 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 01:21:39,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:39,805 INFO L93 Difference]: Finished difference Result 334 states and 456 transitions. [2024-11-19 01:21:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 01:21:39,805 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 126 [2024-11-19 01:21:39,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:39,807 INFO L225 Difference]: With dead ends: 334 [2024-11-19 01:21:39,807 INFO L226 Difference]: Without dead ends: 211 [2024-11-19 01:21:39,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-19 01:21:39,808 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 213 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:39,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 307 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 01:21:39,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-19 01:21:39,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 182. [2024-11-19 01:21:39,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 149 states have (on average 1.2684563758389262) internal successors, (189), 149 states have internal predecessors, (189), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2024-11-19 01:21:39,829 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 126 [2024-11-19 01:21:39,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:39,830 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2024-11-19 01:21:39,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 01:21:39,830 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2024-11-19 01:21:39,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-19 01:21:39,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:39,831 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:39,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 01:21:39,832 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:39,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:39,832 INFO L85 PathProgramCache]: Analyzing trace with hash -470688275, now seen corresponding path program 1 times [2024-11-19 01:21:39,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:39,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732405367] [2024-11-19 01:21:39,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:39,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:42,144 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:42,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:42,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732405367] [2024-11-19 01:21:42,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732405367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:42,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:42,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 01:21:42,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535655263] [2024-11-19 01:21:42,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:42,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 01:21:42,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:42,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 01:21:42,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-19 01:21:42,146 INFO L87 Difference]: Start difference. First operand 182 states and 249 transitions. Second operand has 13 states, 12 states have (on average 4.5) internal successors, (54), 13 states have internal predecessors, (54), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 01:21:42,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:42,924 INFO L93 Difference]: Finished difference Result 360 states and 489 transitions. [2024-11-19 01:21:42,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 01:21:42,925 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.5) internal successors, (54), 13 states have internal predecessors, (54), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 126 [2024-11-19 01:21:42,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:42,929 INFO L225 Difference]: With dead ends: 360 [2024-11-19 01:21:42,929 INFO L226 Difference]: Without dead ends: 226 [2024-11-19 01:21:42,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-19 01:21:42,930 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 421 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:42,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 411 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 01:21:42,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-19 01:21:42,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 189. [2024-11-19 01:21:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 156 states have (on average 1.2628205128205128) internal successors, (197), 156 states have internal predecessors, (197), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:42,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 257 transitions. [2024-11-19 01:21:42,950 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 257 transitions. Word has length 126 [2024-11-19 01:21:42,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:42,952 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 257 transitions. [2024-11-19 01:21:42,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.5) internal successors, (54), 13 states have internal predecessors, (54), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 01:21:42,953 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 257 transitions. [2024-11-19 01:21:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-19 01:21:42,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:42,955 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:42,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 01:21:42,955 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:42,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:42,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1670491939, now seen corresponding path program 1 times [2024-11-19 01:21:42,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:42,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079123467] [2024-11-19 01:21:42,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:42,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:44,056 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:44,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:44,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079123467] [2024-11-19 01:21:44,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079123467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:44,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:44,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 01:21:44,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588343933] [2024-11-19 01:21:44,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:44,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 01:21:44,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:44,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 01:21:44,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 01:21:44,059 INFO L87 Difference]: Start difference. First operand 189 states and 257 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:44,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:44,437 INFO L93 Difference]: Finished difference Result 397 states and 538 transitions. [2024-11-19 01:21:44,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 01:21:44,437 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 128 [2024-11-19 01:21:44,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:44,439 INFO L225 Difference]: With dead ends: 397 [2024-11-19 01:21:44,439 INFO L226 Difference]: Without dead ends: 256 [2024-11-19 01:21:44,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-19 01:21:44,440 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 230 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:44,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 576 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 01:21:44,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-19 01:21:44,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 231. [2024-11-19 01:21:44,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 198 states have (on average 1.2727272727272727) internal successors, (252), 198 states have internal predecessors, (252), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:44,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 312 transitions. [2024-11-19 01:21:44,463 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 312 transitions. Word has length 128 [2024-11-19 01:21:44,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:44,464 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 312 transitions. [2024-11-19 01:21:44,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:44,464 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 312 transitions. [2024-11-19 01:21:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-19 01:21:44,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:44,465 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:44,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 01:21:44,466 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:44,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:44,466 INFO L85 PathProgramCache]: Analyzing trace with hash -905662791, now seen corresponding path program 1 times [2024-11-19 01:21:44,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:44,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444906532] [2024-11-19 01:21:44,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:44,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:44,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:44,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444906532] [2024-11-19 01:21:44,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444906532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:44,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:44,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 01:21:44,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223403610] [2024-11-19 01:21:44,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:44,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 01:21:44,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:44,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 01:21:44,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:21:44,898 INFO L87 Difference]: Start difference. First operand 231 states and 312 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 01:21:45,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:45,319 INFO L93 Difference]: Finished difference Result 477 states and 643 transitions. [2024-11-19 01:21:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 01:21:45,320 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2024-11-19 01:21:45,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:45,322 INFO L225 Difference]: With dead ends: 477 [2024-11-19 01:21:45,322 INFO L226 Difference]: Without dead ends: 294 [2024-11-19 01:21:45,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-19 01:21:45,323 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 147 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:45,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 434 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 01:21:45,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-19 01:21:45,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 269. [2024-11-19 01:21:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 236 states have (on average 1.2796610169491525) internal successors, (302), 236 states have internal predecessors, (302), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:45,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 362 transitions. [2024-11-19 01:21:45,347 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 362 transitions. Word has length 129 [2024-11-19 01:21:45,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:45,348 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 362 transitions. [2024-11-19 01:21:45,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 01:21:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 362 transitions. [2024-11-19 01:21:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-19 01:21:45,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:45,350 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:45,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 01:21:45,350 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:45,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:45,351 INFO L85 PathProgramCache]: Analyzing trace with hash -967702405, now seen corresponding path program 1 times [2024-11-19 01:21:45,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:45,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031001651] [2024-11-19 01:21:45,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:45,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:46,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:46,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031001651] [2024-11-19 01:21:46,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031001651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:46,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:46,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 01:21:46,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422442559] [2024-11-19 01:21:46,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:46,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 01:21:46,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:46,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 01:21:46,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:21:46,016 INFO L87 Difference]: Start difference. First operand 269 states and 362 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 01:21:46,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:46,485 INFO L93 Difference]: Finished difference Result 523 states and 702 transitions. [2024-11-19 01:21:46,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 01:21:46,486 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2024-11-19 01:21:46,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:46,488 INFO L225 Difference]: With dead ends: 523 [2024-11-19 01:21:46,488 INFO L226 Difference]: Without dead ends: 302 [2024-11-19 01:21:46,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-19 01:21:46,490 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 220 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:46,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 427 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 01:21:46,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-19 01:21:46,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 239. [2024-11-19 01:21:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 206 states have (on average 1.266990291262136) internal successors, (261), 206 states have internal predecessors, (261), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 321 transitions. [2024-11-19 01:21:46,527 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 321 transitions. Word has length 129 [2024-11-19 01:21:46,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:46,528 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 321 transitions. [2024-11-19 01:21:46,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 01:21:46,528 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 321 transitions. [2024-11-19 01:21:46,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-19 01:21:46,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:46,529 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:46,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 01:21:46,529 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:46,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:46,530 INFO L85 PathProgramCache]: Analyzing trace with hash 829750658, now seen corresponding path program 1 times [2024-11-19 01:21:46,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:46,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700737544] [2024-11-19 01:21:46,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:46,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:47,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:47,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700737544] [2024-11-19 01:21:47,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700737544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:47,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:47,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-19 01:21:47,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609743146] [2024-11-19 01:21:47,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:47,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 01:21:47,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:47,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 01:21:47,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-19 01:21:47,861 INFO L87 Difference]: Start difference. First operand 239 states and 321 transitions. Second operand has 14 states, 12 states have (on average 4.833333333333333) internal successors, (58), 13 states have internal predecessors, (58), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 01:21:48,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:48,433 INFO L93 Difference]: Finished difference Result 306 states and 399 transitions. [2024-11-19 01:21:48,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 01:21:48,434 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 4.833333333333333) internal successors, (58), 13 states have internal predecessors, (58), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 130 [2024-11-19 01:21:48,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:48,435 INFO L225 Difference]: With dead ends: 306 [2024-11-19 01:21:48,436 INFO L226 Difference]: Without dead ends: 304 [2024-11-19 01:21:48,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-11-19 01:21:48,437 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 280 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:48,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 536 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 01:21:48,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-19 01:21:48,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 290. [2024-11-19 01:21:48,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 257 states have (on average 1.245136186770428) internal successors, (320), 257 states have internal predecessors, (320), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 380 transitions. [2024-11-19 01:21:48,469 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 380 transitions. Word has length 130 [2024-11-19 01:21:48,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:48,470 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 380 transitions. [2024-11-19 01:21:48,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 4.833333333333333) internal successors, (58), 13 states have internal predecessors, (58), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 01:21:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 380 transitions. [2024-11-19 01:21:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-19 01:21:48,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:48,472 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:48,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 01:21:48,472 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:48,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:48,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1060491747, now seen corresponding path program 1 times [2024-11-19 01:21:48,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:48,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802062961] [2024-11-19 01:21:48,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:48,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:49,161 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:49,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:49,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802062961] [2024-11-19 01:21:49,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802062961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:49,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:49,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 01:21:49,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339929342] [2024-11-19 01:21:49,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:49,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 01:21:49,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:49,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 01:21:49,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 01:21:49,164 INFO L87 Difference]: Start difference. First operand 290 states and 380 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 01:21:49,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:49,599 INFO L93 Difference]: Finished difference Result 560 states and 732 transitions. [2024-11-19 01:21:49,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 01:21:49,600 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 130 [2024-11-19 01:21:49,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:49,602 INFO L225 Difference]: With dead ends: 560 [2024-11-19 01:21:49,602 INFO L226 Difference]: Without dead ends: 318 [2024-11-19 01:21:49,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-19 01:21:49,603 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 345 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:49,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 276 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 01:21:49,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-19 01:21:49,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 290. [2024-11-19 01:21:49,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 257 states have (on average 1.2373540856031129) internal successors, (318), 257 states have internal predecessors, (318), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 378 transitions. [2024-11-19 01:21:49,632 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 378 transitions. Word has length 130 [2024-11-19 01:21:49,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:49,633 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 378 transitions. [2024-11-19 01:21:49,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 01:21:49,633 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 378 transitions. [2024-11-19 01:21:49,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-19 01:21:49,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:49,634 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:49,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 01:21:49,635 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:49,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:49,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1621895359, now seen corresponding path program 1 times [2024-11-19 01:21:49,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:49,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172278927] [2024-11-19 01:21:49,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:49,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:49,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:49,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172278927] [2024-11-19 01:21:49,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172278927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:49,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:49,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 01:21:49,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842808666] [2024-11-19 01:21:49,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:49,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 01:21:49,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:49,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 01:21:49,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 01:21:49,830 INFO L87 Difference]: Start difference. First operand 290 states and 378 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:50,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:50,052 INFO L93 Difference]: Finished difference Result 582 states and 751 transitions. [2024-11-19 01:21:50,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 01:21:50,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 131 [2024-11-19 01:21:50,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:50,055 INFO L225 Difference]: With dead ends: 582 [2024-11-19 01:21:50,055 INFO L226 Difference]: Without dead ends: 340 [2024-11-19 01:21:50,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 01:21:50,056 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 27 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:50,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 390 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 01:21:50,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-19 01:21:50,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 298. [2024-11-19 01:21:50,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 265 states have (on average 1.2339622641509433) internal successors, (327), 265 states have internal predecessors, (327), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 387 transitions. [2024-11-19 01:21:50,088 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 387 transitions. Word has length 131 [2024-11-19 01:21:50,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:50,088 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 387 transitions. [2024-11-19 01:21:50,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:50,088 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 387 transitions. [2024-11-19 01:21:50,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-19 01:21:50,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:50,090 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:50,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 01:21:50,090 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:50,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:50,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1228868349, now seen corresponding path program 1 times [2024-11-19 01:21:50,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:50,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015932824] [2024-11-19 01:21:50,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:50,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:50,280 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-19 01:21:50,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:50,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015932824] [2024-11-19 01:21:50,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015932824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:21:50,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052466053] [2024-11-19 01:21:50,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:50,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:21:50,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:21:50,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:21:50,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 01:21:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:50,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 01:21:50,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:21:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:50,579 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 01:21:50,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052466053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:50,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 01:21:50,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 12 [2024-11-19 01:21:50,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118834321] [2024-11-19 01:21:50,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:50,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 01:21:50,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:50,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 01:21:50,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 01:21:50,581 INFO L87 Difference]: Start difference. First operand 298 states and 387 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:50,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:50,657 INFO L93 Difference]: Finished difference Result 558 states and 721 transitions. [2024-11-19 01:21:50,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 01:21:50,657 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 131 [2024-11-19 01:21:50,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:50,659 INFO L225 Difference]: With dead ends: 558 [2024-11-19 01:21:50,659 INFO L226 Difference]: Without dead ends: 308 [2024-11-19 01:21:50,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 01:21:50,660 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:50,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 750 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:21:50,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-19 01:21:50,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 300. [2024-11-19 01:21:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 267 states have (on average 1.2322097378277153) internal successors, (329), 267 states have internal predecessors, (329), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:50,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 389 transitions. [2024-11-19 01:21:50,691 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 389 transitions. Word has length 131 [2024-11-19 01:21:50,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:50,692 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 389 transitions. [2024-11-19 01:21:50,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:50,692 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 389 transitions. [2024-11-19 01:21:50,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-19 01:21:50,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:50,694 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:50,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 01:21:50,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:21:50,898 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:50,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:50,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1323025862, now seen corresponding path program 1 times [2024-11-19 01:21:50,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:50,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125138970] [2024-11-19 01:21:50,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:50,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:51,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:51,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125138970] [2024-11-19 01:21:51,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125138970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:51,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:51,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 01:21:51,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286236733] [2024-11-19 01:21:51,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:51,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 01:21:51,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:51,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 01:21:51,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 01:21:51,087 INFO L87 Difference]: Start difference. First operand 300 states and 389 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:51,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:51,293 INFO L93 Difference]: Finished difference Result 494 states and 639 transitions. [2024-11-19 01:21:51,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 01:21:51,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 132 [2024-11-19 01:21:51,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:51,295 INFO L225 Difference]: With dead ends: 494 [2024-11-19 01:21:51,295 INFO L226 Difference]: Without dead ends: 242 [2024-11-19 01:21:51,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 01:21:51,297 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 1 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:51,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 411 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 01:21:51,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-19 01:21:51,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2024-11-19 01:21:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 209 states have (on average 1.200956937799043) internal successors, (251), 209 states have internal predecessors, (251), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-19 01:21:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 311 transitions. [2024-11-19 01:21:51,331 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 311 transitions. Word has length 132 [2024-11-19 01:21:51,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:51,332 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 311 transitions. [2024-11-19 01:21:51,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 311 transitions. [2024-11-19 01:21:51,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-19 01:21:51,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:51,334 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:51,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 01:21:51,334 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:51,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:51,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1667785729, now seen corresponding path program 1 times [2024-11-19 01:21:51,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:51,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442906790] [2024-11-19 01:21:51,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:51,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-19 01:21:52,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:52,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442906790] [2024-11-19 01:21:52,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442906790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:21:52,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956003664] [2024-11-19 01:21:52,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:52,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:21:52,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:21:52,710 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:21:52,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 01:21:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:52,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-19 01:21:52,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:21:53,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-19 01:21:54,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-19 01:21:54,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-19 01:21:54,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-19 01:21:55,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-19 01:21:55,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-19 01:21:56,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2024-11-19 01:21:56,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2024-11-19 01:21:56,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2024-11-19 01:21:56,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2024-11-19 01:21:56,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 63 [2024-11-19 01:21:56,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 33 [2024-11-19 01:21:56,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 01:21:56,708 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 01:21:56,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 71 treesize of output 75 [2024-11-19 01:21:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 162 proven. 125 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-19 01:21:56,807 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 01:21:57,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956003664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:21:57,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-19 01:21:57,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 21 [2024-11-19 01:21:57,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040587111] [2024-11-19 01:21:57,190 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-19 01:21:57,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-19 01:21:57,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:57,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-19 01:21:57,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-11-19 01:21:57,192 INFO L87 Difference]: Start difference. First operand 242 states and 311 transitions. Second operand has 21 states, 19 states have (on average 6.315789473684211) internal successors, (120), 21 states have internal predecessors, (120), 8 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 6 states have call predecessors, (30), 8 states have call successors, (30) [2024-11-19 01:21:58,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:58,873 INFO L93 Difference]: Finished difference Result 554 states and 690 transitions. [2024-11-19 01:21:58,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 01:21:58,874 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.315789473684211) internal successors, (120), 21 states have internal predecessors, (120), 8 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 6 states have call predecessors, (30), 8 states have call successors, (30) Word has length 132 [2024-11-19 01:21:58,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:58,875 INFO L225 Difference]: With dead ends: 554 [2024-11-19 01:21:58,875 INFO L226 Difference]: Without dead ends: 360 [2024-11-19 01:21:58,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 161 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=413, Invalid=1393, Unknown=0, NotChecked=0, Total=1806 [2024-11-19 01:21:58,877 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 675 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:58,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 593 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 01:21:58,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-19 01:21:58,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 319. [2024-11-19 01:21:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 279 states have (on average 1.1720430107526882) internal successors, (327), 280 states have internal predecessors, (327), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-19 01:21:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 395 transitions. [2024-11-19 01:21:58,920 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 395 transitions. Word has length 132 [2024-11-19 01:21:58,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:58,920 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 395 transitions. [2024-11-19 01:21:58,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.315789473684211) internal successors, (120), 21 states have internal predecessors, (120), 8 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 6 states have call predecessors, (30), 8 states have call successors, (30) [2024-11-19 01:21:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 395 transitions. [2024-11-19 01:21:58,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-19 01:21:58,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:58,922 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:58,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 01:21:59,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:21:59,123 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:59,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:59,124 INFO L85 PathProgramCache]: Analyzing trace with hash -953934379, now seen corresponding path program 1 times [2024-11-19 01:21:59,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:59,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294111976] [2024-11-19 01:21:59,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:59,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:21:59,364 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:21:59,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:21:59,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294111976] [2024-11-19 01:21:59,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294111976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:21:59,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:21:59,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 01:21:59,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063242879] [2024-11-19 01:21:59,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:21:59,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 01:21:59,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:21:59,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 01:21:59,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 01:21:59,367 INFO L87 Difference]: Start difference. First operand 319 states and 395 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:59,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:21:59,516 INFO L93 Difference]: Finished difference Result 612 states and 748 transitions. [2024-11-19 01:21:59,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 01:21:59,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 133 [2024-11-19 01:21:59,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:21:59,520 INFO L225 Difference]: With dead ends: 612 [2024-11-19 01:21:59,520 INFO L226 Difference]: Without dead ends: 345 [2024-11-19 01:21:59,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 01:21:59,521 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 28 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 01:21:59,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 317 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 01:21:59,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-19 01:21:59,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 332. [2024-11-19 01:21:59,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 292 states have (on average 1.1506849315068493) internal successors, (336), 293 states have internal predecessors, (336), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-19 01:21:59,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 404 transitions. [2024-11-19 01:21:59,592 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 404 transitions. Word has length 133 [2024-11-19 01:21:59,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:21:59,592 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 404 transitions. [2024-11-19 01:21:59,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:21:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 404 transitions. [2024-11-19 01:21:59,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-19 01:21:59,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:21:59,597 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:21:59,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 01:21:59,597 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:21:59,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:21:59,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1176860213, now seen corresponding path program 1 times [2024-11-19 01:21:59,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:21:59,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452361280] [2024-11-19 01:21:59,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:21:59,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:21:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:22:01,302 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-19 01:22:01,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:22:01,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452361280] [2024-11-19 01:22:01,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452361280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:22:01,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 01:22:01,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 01:22:01,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938735038] [2024-11-19 01:22:01,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:22:01,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 01:22:01,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:22:01,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 01:22:01,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-19 01:22:01,304 INFO L87 Difference]: Start difference. First operand 332 states and 404 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-19 01:22:02,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:22:02,035 INFO L93 Difference]: Finished difference Result 584 states and 709 transitions. [2024-11-19 01:22:02,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 01:22:02,036 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 134 [2024-11-19 01:22:02,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:22:02,038 INFO L225 Difference]: With dead ends: 584 [2024-11-19 01:22:02,038 INFO L226 Difference]: Without dead ends: 297 [2024-11-19 01:22:02,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-19 01:22:02,039 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 235 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 01:22:02,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 391 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 01:22:02,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-19 01:22:02,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2024-11-19 01:22:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 257 states have (on average 1.1439688715953307) internal successors, (294), 258 states have internal predecessors, (294), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-19 01:22:02,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 362 transitions. [2024-11-19 01:22:02,112 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 362 transitions. Word has length 134 [2024-11-19 01:22:02,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:22:02,112 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 362 transitions. [2024-11-19 01:22:02,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-19 01:22:02,113 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 362 transitions. [2024-11-19 01:22:02,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-19 01:22:02,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 01:22:02,115 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:22:02,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 01:22:02,116 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 01:22:02,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 01:22:02,116 INFO L85 PathProgramCache]: Analyzing trace with hash -544148743, now seen corresponding path program 1 times [2024-11-19 01:22:02,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 01:22:02,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261540707] [2024-11-19 01:22:02,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:22:02,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 01:22:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:22:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1796 backedges. 19 proven. 37 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-19 01:22:02,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 01:22:02,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261540707] [2024-11-19 01:22:02,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261540707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 01:22:02,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919681469] [2024-11-19 01:22:02,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 01:22:02,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 01:22:02,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 01:22:02,527 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 01:22:02,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 01:22:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 01:22:02,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 01:22:02,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 01:22:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1796 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1776 trivial. 0 not checked. [2024-11-19 01:22:02,910 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 01:22:02,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919681469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 01:22:02,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 01:22:02,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2024-11-19 01:22:02,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276189690] [2024-11-19 01:22:02,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 01:22:02,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 01:22:02,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 01:22:02,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 01:22:02,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 01:22:02,913 INFO L87 Difference]: Start difference. First operand 297 states and 362 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:22:02,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 01:22:02,995 INFO L93 Difference]: Finished difference Result 400 states and 483 transitions. [2024-11-19 01:22:02,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 01:22:02,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 247 [2024-11-19 01:22:02,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 01:22:02,997 INFO L225 Difference]: With dead ends: 400 [2024-11-19 01:22:02,997 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 01:22:02,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 01:22:02,998 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 01:22:02,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 01:22:02,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 01:22:02,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 01:22:02,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 01:22:02,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 01:22:03,000 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 247 [2024-11-19 01:22:03,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 01:22:03,000 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 01:22:03,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 01:22:03,001 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 01:22:03,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 01:22:03,003 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 01:22:03,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 01:22:03,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-19 01:22:03,207 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 01:22:03,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 01:22:10,576 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 01:22:10,592 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!base [2024-11-19 01:22:10,593 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset [2024-11-19 01:22:10,593 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,593 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,593 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!base [2024-11-19 01:22:10,594 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset [2024-11-19 01:22:10,594 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,594 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-19 01:22:10,594 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-19 01:22:10,595 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] [2024-11-19 01:22:10,595 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-19 01:22:10,595 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-19 01:22:10,595 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] [2024-11-19 01:22:10,595 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,596 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,596 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset [2024-11-19 01:22:10,596 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!base [2024-11-19 01:22:10,596 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!offset [2024-11-19 01:22:10,596 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,597 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!base [2024-11-19 01:22:10,597 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!offset [2024-11-19 01:22:10,597 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,597 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset [2024-11-19 01:22:10,597 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!base [2024-11-19 01:22:10,597 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!base [2024-11-19 01:22:10,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!offset [2024-11-19 01:22:10,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!base [2024-11-19 01:22:10,598 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!base [2024-11-19 01:22:10,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!base [2024-11-19 01:22:10,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-19 01:22:10,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-19 01:22:10,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~WrapperStruct00_var_1_1_Pointer~0!base,GLOBAL]]] [2024-11-19 01:22:10,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,599 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset [2024-11-19 01:22:10,600 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!base [2024-11-19 01:22:10,600 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-19 01:22:10,600 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!offset [2024-11-19 01:22:10,600 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!base [2024-11-19 01:22:10,600 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,600 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset [2024-11-19 01:22:10,600 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!base [2024-11-19 01:22:10,601 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-19 01:22:10,601 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-19 01:22:10,601 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] [2024-11-19 01:22:10,601 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-19 01:22:10,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-19 01:22:10,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] [2024-11-19 01:22:10,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-19 01:22:10,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-19 01:22:10,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] [2024-11-19 01:22:10,603 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-19 01:22:10,603 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-19 01:22:10,603 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] [2024-11-19 01:22:10,603 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!base [2024-11-19 01:22:10,603 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset [2024-11-19 01:22:10,604 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,604 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,604 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!base [2024-11-19 01:22:10,604 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset [2024-11-19 01:22:10,604 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset [2024-11-19 01:22:10,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!base [2024-11-19 01:22:10,606 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!base [2024-11-19 01:22:10,606 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!offset [2024-11-19 01:22:10,606 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,606 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!base [2024-11-19 01:22:10,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!offset [2024-11-19 01:22:10,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset [2024-11-19 01:22:10,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!offset [2024-11-19 01:22:10,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,607 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!base [2024-11-19 01:22:10,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-19 01:22:10,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-19 01:22:10,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] [2024-11-19 01:22:10,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset [2024-11-19 01:22:10,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!base [2024-11-19 01:22:10,608 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-19 01:22:10,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-19 01:22:10,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] [2024-11-19 01:22:10,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-19 01:22:10,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-19 01:22:10,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] [2024-11-19 01:22:10,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!base [2024-11-19 01:22:10,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-19 01:22:10,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!offset [2024-11-19 01:22:10,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!base [2024-11-19 01:22:10,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,609 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset [2024-11-19 01:22:10,610 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!base [2024-11-19 01:22:10,628 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!base [2024-11-19 01:22:10,628 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset [2024-11-19 01:22:10,628 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!base [2024-11-19 01:22:10,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset [2024-11-19 01:22:10,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset [2024-11-19 01:22:10,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!base [2024-11-19 01:22:10,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!base [2024-11-19 01:22:10,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!offset [2024-11-19 01:22:10,630 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,631 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!base [2024-11-19 01:22:10,631 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!offset [2024-11-19 01:22:10,631 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,631 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset [2024-11-19 01:22:10,631 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!offset [2024-11-19 01:22:10,631 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,632 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,632 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,632 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!base [2024-11-19 01:22:10,632 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,632 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset [2024-11-19 01:22:10,632 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!base [2024-11-19 01:22:10,633 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!base [2024-11-19 01:22:10,633 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-19 01:22:10,633 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!offset [2024-11-19 01:22:10,633 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!base [2024-11-19 01:22:10,633 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,633 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset [2024-11-19 01:22:10,633 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!base [2024-11-19 01:22:10,634 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!base [2024-11-19 01:22:10,634 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset [2024-11-19 01:22:10,634 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,634 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,634 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!base [2024-11-19 01:22:10,635 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset [2024-11-19 01:22:10,635 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,635 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,635 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,635 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset [2024-11-19 01:22:10,635 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!base [2024-11-19 01:22:10,636 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!base [2024-11-19 01:22:10,636 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!offset [2024-11-19 01:22:10,636 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,636 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!base [2024-11-19 01:22:10,636 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!offset [2024-11-19 01:22:10,636 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,637 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset [2024-11-19 01:22:10,637 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!offset [2024-11-19 01:22:10,637 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,637 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,637 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,637 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!base [2024-11-19 01:22:10,637 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset [2024-11-19 01:22:10,638 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset [2024-11-19 01:22:10,638 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!base [2024-11-19 01:22:10,638 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!base [2024-11-19 01:22:10,638 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset [2024-11-19 01:22:10,638 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!offset [2024-11-19 01:22:10,638 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!base [2024-11-19 01:22:10,638 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset [2024-11-19 01:22:10,639 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset [2024-11-19 01:22:10,639 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!base [2024-11-19 01:22:10,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:22:10 BoogieIcfgContainer [2024-11-19 01:22:10,644 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 01:22:10,644 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 01:22:10,644 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 01:22:10,645 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 01:22:10,645 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:21:27" (3/4) ... [2024-11-19 01:22:10,647 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 01:22:10,651 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-19 01:22:10,663 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-19 01:22:10,664 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 01:22:10,665 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 01:22:10,665 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 01:22:10,779 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 01:22:10,779 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 01:22:10,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 01:22:10,780 INFO L158 Benchmark]: Toolchain (without parser) took 44095.20ms. Allocated memory was 138.4MB in the beginning and 943.7MB in the end (delta: 805.3MB). Free memory was 81.6MB in the beginning and 643.8MB in the end (delta: -562.2MB). Peak memory consumption was 244.8MB. Max. memory is 16.1GB. [2024-11-19 01:22:10,780 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory was 98.3MB in the beginning and 98.1MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 01:22:10,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.64ms. Allocated memory is still 138.4MB. Free memory was 81.6MB in the beginning and 63.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 01:22:10,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.52ms. Allocated memory is still 138.4MB. Free memory was 63.8MB in the beginning and 60.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 01:22:10,781 INFO L158 Benchmark]: Boogie Preprocessor took 75.18ms. Allocated memory is still 138.4MB. Free memory was 60.7MB in the beginning and 107.7MB in the end (delta: -47.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-19 01:22:10,781 INFO L158 Benchmark]: RCFGBuilder took 757.62ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 107.6MB in the beginning and 120.1MB in the end (delta: -12.5MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-11-19 01:22:10,782 INFO L158 Benchmark]: TraceAbstraction took 42698.71ms. Allocated memory was 180.4MB in the beginning and 943.7MB in the end (delta: 763.4MB). Free memory was 119.1MB in the beginning and 653.3MB in the end (delta: -534.2MB). Peak memory consumption was 543.7MB. Max. memory is 16.1GB. [2024-11-19 01:22:10,782 INFO L158 Benchmark]: Witness Printer took 134.95ms. Allocated memory is still 943.7MB. Free memory was 653.3MB in the beginning and 643.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 01:22:10,783 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory was 98.3MB in the beginning and 98.1MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.64ms. Allocated memory is still 138.4MB. Free memory was 81.6MB in the beginning and 63.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.52ms. Allocated memory is still 138.4MB. Free memory was 63.8MB in the beginning and 60.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.18ms. Allocated memory is still 138.4MB. Free memory was 60.7MB in the beginning and 107.7MB in the end (delta: -47.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * RCFGBuilder took 757.62ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 107.6MB in the beginning and 120.1MB in the end (delta: -12.5MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * TraceAbstraction took 42698.71ms. Allocated memory was 180.4MB in the beginning and 943.7MB in the end (delta: 763.4MB). Free memory was 119.1MB in the beginning and 653.3MB in the end (delta: -534.2MB). Peak memory consumption was 543.7MB. Max. memory is 16.1GB. * Witness Printer took 134.95ms. Allocated memory is still 943.7MB. Free memory was 653.3MB in the beginning and 643.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~WrapperStruct00_var_1_1_Pointer~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[4]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_10_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_4_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_12_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_6_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#WrapperStruct00~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_1_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_13_Pointer~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_8_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_11_Pointer~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~WrapperStruct00_var_1_5_Pointer~0!base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.2s, OverallIterations: 24, TraceHistogramMax: 30, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3582 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3573 mSDsluCounter, 9625 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6931 mSDsCounter, 324 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6127 IncrementalHoareTripleChecker+Invalid, 6451 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 324 mSolverCounterUnsat, 2694 mSDtfsCounter, 6127 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1078 GetRequests, 855 SyntacticMatches, 4 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=22, InterpolantAutomatonStates: 157, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 24 MinimizatonAttempts, 454 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 20.6s InterpolantComputationTime, 3904 NumberOfCodeBlocks, 3904 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3875 ConstructedInterpolants, 5 QuantifiedInterpolants, 27894 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2815 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 29 InterpolantComputations, 23 PerfectInterpolantSequences, 14631/14932 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (((((((((((((((isInitial == \old(isInitial)) && (WrapperStruct00 == \old(WrapperStruct00))) && (WrapperStruct00_var_1_1_Pointer == \old(WrapperStruct00_var_1_1_Pointer))) && (WrapperStruct00_var_1_3_Pointer == \old(WrapperStruct00_var_1_3_Pointer))) && (WrapperStruct00_var_1_4_Pointer == \old(WrapperStruct00_var_1_4_Pointer))) && (WrapperStruct00_var_1_5_Pointer == \old(WrapperStruct00_var_1_5_Pointer))) && (WrapperStruct00_var_1_6_Pointer == \old(WrapperStruct00_var_1_6_Pointer))) && (WrapperStruct00_var_1_7_Pointer == \old(WrapperStruct00_var_1_7_Pointer))) && (WrapperStruct00_var_1_8_Pointer == \old(WrapperStruct00_var_1_8_Pointer))) && (WrapperStruct00_var_1_9_Pointer == \old(WrapperStruct00_var_1_9_Pointer))) && (WrapperStruct00_var_1_10_Pointer == \old(WrapperStruct00_var_1_10_Pointer))) && (WrapperStruct00_var_1_11_Pointer == \old(WrapperStruct00_var_1_11_Pointer))) && (WrapperStruct00_var_1_12_Pointer == \old(WrapperStruct00_var_1_12_Pointer))) && (WrapperStruct00_var_1_13_Pointer == \old(WrapperStruct00_var_1_13_Pointer))) && (last_1_WrapperStruct00_var_1_8 == \old(last_1_WrapperStruct00_var_1_8)))) RESULT: Ultimate proved your program to be correct! [2024-11-19 01:22:10,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE