./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_fillercode_fillercodestructure_filler-ps-co_file-10.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 8880bc6b55ab6b26a36a9709c52577c78f4355aea8bee56c9643da00ec93f3ee --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:13:01,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:13:01,671 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:13:01,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:13:01,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:13:01,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:13:01,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:13:01,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:13:01,696 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:13:01,697 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:13:01,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:13:01,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:13:01,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:13:01,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:13:01,698 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:13:01,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:13:01,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:13:01,703 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:13:01,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:13:01,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:13:01,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:13:01,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:13:01,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:13:01,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:13:01,708 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:13:01,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:13:01,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:13:01,709 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:13:01,709 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:13:01,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:13:01,709 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:13:01,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:13:01,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:13:01,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:13:01,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:13:01,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:13:01,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:13:01,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:13:01,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:13:01,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:13:01,714 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:13:01,714 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:13:01,714 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8880bc6b55ab6b26a36a9709c52577c78f4355aea8bee56c9643da00ec93f3ee [2024-11-16 15:13:01,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:13:01,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:13:01,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:13:01,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:13:01,998 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:13:01,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i [2024-11-16 15:13:03,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:13:03,679 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:13:03,680 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i [2024-11-16 15:13:03,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f88d96974/2650a0cbf6cd4f33a66e85df58ccb701/FLAG87c376989 [2024-11-16 15:13:03,703 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f88d96974/2650a0cbf6cd4f33a66e85df58ccb701 [2024-11-16 15:13:03,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:13:03,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:13:03,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:13:03,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:13:03,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:13:03,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:13:03" (1/1) ... [2024-11-16 15:13:03,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157abd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:03, skipping insertion in model container [2024-11-16 15:13:03,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:13:03" (1/1) ... [2024-11-16 15:13:03,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:13:03,935 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_fillercode_fillercodestructure_filler-ps-co_file-10.i[919,932] [2024-11-16 15:13:04,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:13:04,035 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:13:04,045 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_fillercode_fillercodestructure_filler-ps-co_file-10.i[919,932] [2024-11-16 15:13:04,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:13:04,123 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:13:04,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04 WrapperNode [2024-11-16 15:13:04,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:13:04,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:13:04,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:13:04,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:13:04,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (1/1) ... [2024-11-16 15:13:04,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (1/1) ... [2024-11-16 15:13:04,207 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 317 [2024-11-16 15:13:04,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:13:04,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:13:04,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:13:04,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:13:04,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (1/1) ... [2024-11-16 15:13:04,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (1/1) ... [2024-11-16 15:13:04,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (1/1) ... [2024-11-16 15:13:04,308 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 15:13:04,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (1/1) ... [2024-11-16 15:13:04,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (1/1) ... [2024-11-16 15:13:04,341 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (1/1) ... [2024-11-16 15:13:04,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (1/1) ... [2024-11-16 15:13:04,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (1/1) ... [2024-11-16 15:13:04,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (1/1) ... [2024-11-16 15:13:04,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:13:04,402 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:13:04,402 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:13:04,402 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:13:04,403 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (1/1) ... [2024-11-16 15:13:04,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:13:04,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:13:04,441 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) [2024-11-16 15:13:04,444 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 [2024-11-16 15:13:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:13:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:13:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:13:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:13:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:13:04,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:13:04,584 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:13:04,586 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:13:05,090 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L211: havoc property_#t~bitwise35#1;havoc property_#t~ite37#1;havoc property_#t~bitwise36#1;havoc property_#t~short38#1; [2024-11-16 15:13:05,136 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-16 15:13:05,137 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:13:05,167 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:13:05,169 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:13:05,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:13:05 BoogieIcfgContainer [2024-11-16 15:13:05,170 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:13:05,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:13:05,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:13:05,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:13:05,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:13:03" (1/3) ... [2024-11-16 15:13:05,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b02344d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:13:05, skipping insertion in model container [2024-11-16 15:13:05,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:13:04" (2/3) ... [2024-11-16 15:13:05,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b02344d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:13:05, skipping insertion in model container [2024-11-16 15:13:05,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:13:05" (3/3) ... [2024-11-16 15:13:05,178 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i [2024-11-16 15:13:05,191 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:13:05,192 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:13:05,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:13:05,272 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;@6e6a0e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:13:05,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:13:05,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 97 states have (on average 1.4123711340206186) internal successors, (137), 98 states have internal predecessors, (137), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-16 15:13:05,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-16 15:13:05,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:13:05,295 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:13:05,297 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:13:05,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:13:05,301 INFO L85 PathProgramCache]: Analyzing trace with hash 188169520, now seen corresponding path program 1 times [2024-11-16 15:13:05,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:13:05,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584218890] [2024-11-16 15:13:05,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:13:05,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:13:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:13:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:13:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:13:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:13:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:13:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:13:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:13:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:13:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:13:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:13:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:13:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:13:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:13:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:13:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:13:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:13:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:13:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:13:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:13:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:13:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:13:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:13:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:13:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:13:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 15:13:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 15:13:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 15:13:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 15:13:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 15:13:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 15:13:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 15:13:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 15:13:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 15:13:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 15:13:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 15:13:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 15:13:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 15:13:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 15:13:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 15:13:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 15:13:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 15:13:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 15:13:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:05,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-16 15:13:05,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:13:05,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584218890] [2024-11-16 15:13:05,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584218890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:13:05,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:13:05,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:13:05,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770443633] [2024-11-16 15:13:05,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:13:05,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:13:05,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:13:06,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:13:06,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:13:06,022 INFO L87 Difference]: Start difference. First operand has 142 states, 97 states have (on average 1.4123711340206186) internal successors, (137), 98 states have internal predecessors, (137), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-16 15:13:06,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:13:06,086 INFO L93 Difference]: Finished difference Result 276 states and 477 transitions. [2024-11-16 15:13:06,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:13:06,089 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 265 [2024-11-16 15:13:06,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:13:06,100 INFO L225 Difference]: With dead ends: 276 [2024-11-16 15:13:06,101 INFO L226 Difference]: Without dead ends: 137 [2024-11-16 15:13:06,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:13:06,109 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:13:06,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:13:06,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-16 15:13:06,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-16 15:13:06,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 93 states have (on average 1.3870967741935485) internal successors, (129), 93 states have internal predecessors, (129), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-16 15:13:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 213 transitions. [2024-11-16 15:13:06,180 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 213 transitions. Word has length 265 [2024-11-16 15:13:06,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:13:06,181 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 213 transitions. [2024-11-16 15:13:06,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-16 15:13:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 213 transitions. [2024-11-16 15:13:06,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-16 15:13:06,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:13:06,188 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:13:06,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:13:06,188 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:13:06,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:13:06,189 INFO L85 PathProgramCache]: Analyzing trace with hash -829414004, now seen corresponding path program 1 times [2024-11-16 15:13:06,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:13:06,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429132460] [2024-11-16 15:13:06,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:13:06,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:13:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:13:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:13:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:13:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:13:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:13:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:13:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:13:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:13:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:13:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:13:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:13:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:13:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:13:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:13:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:13:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:13:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:13:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:13:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:13:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:13:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:13:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:13:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:13:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:13:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 15:13:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 15:13:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 15:13:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 15:13:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 15:13:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 15:13:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 15:13:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 15:13:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 15:13:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 15:13:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 15:13:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 15:13:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 15:13:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:06,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 15:13:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 15:13:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 15:13:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 15:13:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 15:13:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-16 15:13:07,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:13:07,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429132460] [2024-11-16 15:13:07,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429132460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:13:07,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:13:07,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:13:07,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636889173] [2024-11-16 15:13:07,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:13:07,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:13:07,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:13:07,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:13:07,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:13:07,048 INFO L87 Difference]: Start difference. First operand 137 states and 213 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-16 15:13:07,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:13:07,168 INFO L93 Difference]: Finished difference Result 373 states and 587 transitions. [2024-11-16 15:13:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:13:07,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 265 [2024-11-16 15:13:07,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:13:07,175 INFO L225 Difference]: With dead ends: 373 [2024-11-16 15:13:07,177 INFO L226 Difference]: Without dead ends: 239 [2024-11-16 15:13:07,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:13:07,182 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 91 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:13:07,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 389 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 15:13:07,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-16 15:13:07,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 219. [2024-11-16 15:13:07,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 132 states have (on average 1.3181818181818181) internal successors, (174), 132 states have internal predecessors, (174), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-16 15:13:07,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 342 transitions. [2024-11-16 15:13:07,241 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 342 transitions. Word has length 265 [2024-11-16 15:13:07,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:13:07,244 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 342 transitions. [2024-11-16 15:13:07,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-16 15:13:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 342 transitions. [2024-11-16 15:13:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-11-16 15:13:07,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:13:07,255 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:13:07,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:13:07,255 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:13:07,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:13:07,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1321337196, now seen corresponding path program 1 times [2024-11-16 15:13:07,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:13:07,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852843783] [2024-11-16 15:13:07,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:13:07,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:13:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:13:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:13:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:13:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:13:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:13:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:13:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:13:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:13:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:13:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:13:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:13:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:13:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:13:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:13:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:13:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:13:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:13:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:13:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:13:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:13:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:13:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:13:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:13:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:13:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 15:13:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 15:13:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 15:13:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 15:13:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 15:13:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 15:13:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 15:13:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 15:13:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 15:13:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 15:13:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 15:13:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 15:13:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 15:13:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 15:13:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 15:13:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 15:13:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 15:13:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 15:13:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-16 15:13:07,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:13:07,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852843783] [2024-11-16 15:13:07,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852843783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:13:07,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:13:07,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:13:07,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180441699] [2024-11-16 15:13:07,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:13:07,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:13:07,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:13:07,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:13:07,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:13:07,929 INFO L87 Difference]: Start difference. First operand 219 states and 342 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-16 15:13:08,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:13:08,238 INFO L93 Difference]: Finished difference Result 407 states and 632 transitions. [2024-11-16 15:13:08,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:13:08,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 265 [2024-11-16 15:13:08,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:13:08,245 INFO L225 Difference]: With dead ends: 407 [2024-11-16 15:13:08,245 INFO L226 Difference]: Without dead ends: 273 [2024-11-16 15:13:08,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:13:08,247 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 167 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:13:08,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 583 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:13:08,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-16 15:13:08,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 237. [2024-11-16 15:13:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-16 15:13:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 370 transitions. [2024-11-16 15:13:08,296 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 370 transitions. Word has length 265 [2024-11-16 15:13:08,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:13:08,297 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 370 transitions. [2024-11-16 15:13:08,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-16 15:13:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 370 transitions. [2024-11-16 15:13:08,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-16 15:13:08,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:13:08,300 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:13:08,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 15:13:08,301 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:13:08,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:13:08,301 INFO L85 PathProgramCache]: Analyzing trace with hash -486803799, now seen corresponding path program 1 times [2024-11-16 15:13:08,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:13:08,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873406046] [2024-11-16 15:13:08,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:13:08,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:13:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:28,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:13:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:28,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:13:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:28,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:13:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:28,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:13:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:28,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:13:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:28,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:13:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:28,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:13:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:28,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:13:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:28,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:13:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:13:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:13:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:13:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:13:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:13:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:13:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:13:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:13:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:13:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:13:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:13:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:13:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:13:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:13:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:13:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 15:13:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 15:13:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 15:13:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 15:13:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 15:13:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 15:13:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 15:13:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 15:13:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 15:13:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 15:13:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 15:13:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 15:13:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 15:13:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 15:13:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 15:13:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 15:13:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 15:13:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 15:13:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:13:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-16 15:13:29,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:13:29,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873406046] [2024-11-16 15:13:29,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873406046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:13:29,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:13:29,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 15:13:29,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744965584] [2024-11-16 15:13:29,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:13:29,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 15:13:29,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:13:29,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 15:13:29,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-16 15:13:29,232 INFO L87 Difference]: Start difference. First operand 237 states and 370 transitions. Second operand has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-16 15:13:31,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:13:31,607 INFO L93 Difference]: Finished difference Result 621 states and 938 transitions. [2024-11-16 15:13:31,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 15:13:31,608 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 266 [2024-11-16 15:13:31,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:13:31,612 INFO L225 Difference]: With dead ends: 621 [2024-11-16 15:13:31,612 INFO L226 Difference]: Without dead ends: 487 [2024-11-16 15:13:31,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600 [2024-11-16 15:13:31,615 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 529 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 15:13:31,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 1332 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 15:13:31,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-16 15:13:31,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 367. [2024-11-16 15:13:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 234 states have (on average 1.311965811965812) internal successors, (307), 235 states have internal predecessors, (307), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-16 15:13:31,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 559 transitions. [2024-11-16 15:13:31,678 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 559 transitions. Word has length 266 [2024-11-16 15:13:31,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:13:31,680 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 559 transitions. [2024-11-16 15:13:31,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.538461538461538) internal successors, (59), 13 states have internal predecessors, (59), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-16 15:13:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 559 transitions. [2024-11-16 15:13:31,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-16 15:13:31,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:13:31,684 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:13:31,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 15:13:31,685 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:13:31,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:13:31,685 INFO L85 PathProgramCache]: Analyzing trace with hash 669992393, now seen corresponding path program 1 times [2024-11-16 15:13:31,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:13:31,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988529335] [2024-11-16 15:13:31,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:13:31,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:13:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:14:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:14:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:14:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:14:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:14:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:14:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:14:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:14:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:14:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:14:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:14:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:14:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:14:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:14:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:14:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:14:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:14:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:14:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:14:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:14:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:14:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:14:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:14:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:14:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 15:14:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 15:14:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 15:14:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 15:14:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 15:14:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 15:14:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 15:14:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 15:14:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 15:14:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 15:14:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 15:14:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 15:14:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 15:14:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 15:14:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 15:14:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 15:14:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 15:14:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 15:14:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-16 15:14:12,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:14:12,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988529335] [2024-11-16 15:14:12,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988529335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:14:12,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:14:12,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 15:14:12,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895153719] [2024-11-16 15:14:12,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:14:12,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 15:14:12,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:14:12,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 15:14:12,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-16 15:14:12,476 INFO L87 Difference]: Start difference. First operand 367 states and 559 transitions. Second operand has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-16 15:14:13,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:14:13,582 INFO L93 Difference]: Finished difference Result 732 states and 1098 transitions. [2024-11-16 15:14:13,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 15:14:13,583 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 266 [2024-11-16 15:14:13,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:14:13,587 INFO L225 Difference]: With dead ends: 732 [2024-11-16 15:14:13,587 INFO L226 Difference]: Without dead ends: 443 [2024-11-16 15:14:13,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-16 15:14:13,589 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 310 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 15:14:13,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1211 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 15:14:13,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-16 15:14:13,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 370. [2024-11-16 15:14:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 237 states have (on average 1.3037974683544304) internal successors, (309), 238 states have internal predecessors, (309), 126 states have call successors, (126), 6 states have call predecessors, (126), 6 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-16 15:14:13,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 561 transitions. [2024-11-16 15:14:13,629 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 561 transitions. Word has length 266 [2024-11-16 15:14:13,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:14:13,630 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 561 transitions. [2024-11-16 15:14:13,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-16 15:14:13,630 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 561 transitions. [2024-11-16 15:14:13,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-16 15:14:13,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:14:13,633 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:14:13,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 15:14:13,634 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:14:13,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:14:13,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1331275670, now seen corresponding path program 1 times [2024-11-16 15:14:13,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:14:13,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867103465] [2024-11-16 15:14:13,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:14:13,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:14:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:14:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:14:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:14:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:14:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:14:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:14:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:14:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:14:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:14:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:14:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:14:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:14:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:14:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:14:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:14:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:14:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:14:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:14:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:14:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:14:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:14:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:14:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:14:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:14:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 15:14:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 15:14:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 15:14:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 15:14:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 15:14:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 15:14:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 15:14:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 15:14:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 15:14:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 15:14:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 15:14:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 15:14:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 15:14:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 15:14:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 15:14:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:16,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 15:14:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:17,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 15:14:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:17,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 15:14:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-16 15:14:17,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:14:17,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867103465] [2024-11-16 15:14:17,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867103465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:14:17,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:14:17,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 15:14:17,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490323810] [2024-11-16 15:14:17,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:14:17,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 15:14:17,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:14:17,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 15:14:17,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-16 15:14:17,015 INFO L87 Difference]: Start difference. First operand 370 states and 561 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-16 15:14:18,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:14:18,314 INFO L93 Difference]: Finished difference Result 827 states and 1240 transitions. [2024-11-16 15:14:18,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 15:14:18,314 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 266 [2024-11-16 15:14:18,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:14:18,325 INFO L225 Difference]: With dead ends: 827 [2024-11-16 15:14:18,325 INFO L226 Difference]: Without dead ends: 693 [2024-11-16 15:14:18,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-11-16 15:14:18,327 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 376 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:14:18,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 1537 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 15:14:18,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-16 15:14:18,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 549. [2024-11-16 15:14:18,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 372 states have (on average 1.3387096774193548) internal successors, (498), 372 states have internal predecessors, (498), 168 states have call successors, (168), 8 states have call predecessors, (168), 8 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2024-11-16 15:14:18,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 834 transitions. [2024-11-16 15:14:18,377 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 834 transitions. Word has length 266 [2024-11-16 15:14:18,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:14:18,378 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 834 transitions. [2024-11-16 15:14:18,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-16 15:14:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 834 transitions. [2024-11-16 15:14:18,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-16 15:14:18,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:14:18,381 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:14:18,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 15:14:18,381 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:14:18,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:14:18,382 INFO L85 PathProgramCache]: Analyzing trace with hash -174479478, now seen corresponding path program 1 times [2024-11-16 15:14:18,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:14:18,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849708930] [2024-11-16 15:14:18,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:14:18,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:14:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:14:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:14:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:14:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:14:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:14:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:14:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:14:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:14:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:14:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:14:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:14:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:14:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:14:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:14:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:14:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:14:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:14:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:14:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:14:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-16 15:14:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 15:14:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 15:14:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:14:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 15:14:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 15:14:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 15:14:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-16 15:14:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 15:14:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 15:14:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-16 15:14:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-16 15:14:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-16 15:14:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-16 15:14:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-16 15:14:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-16 15:14:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-16 15:14:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-16 15:14:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-16 15:14:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-16 15:14:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-16 15:14:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-16 15:14:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-16 15:14:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:14:20,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-16 15:14:20,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:14:20,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849708930] [2024-11-16 15:14:20,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849708930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:14:20,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:14:20,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 15:14:20,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050799173] [2024-11-16 15:14:20,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:14:20,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 15:14:20,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:14:20,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 15:14:20,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-16 15:14:20,665 INFO L87 Difference]: Start difference. First operand 549 states and 834 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-16 15:14:22,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:14:22,278 INFO L93 Difference]: Finished difference Result 1011 states and 1500 transitions. [2024-11-16 15:14:22,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 15:14:22,279 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 266 [2024-11-16 15:14:22,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:14:22,284 INFO L225 Difference]: With dead ends: 1011 [2024-11-16 15:14:22,284 INFO L226 Difference]: Without dead ends: 726 [2024-11-16 15:14:22,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-16 15:14:22,287 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 431 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 2017 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:14:22,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 2017 Invalid, 1576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 15:14:22,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-11-16 15:14:22,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 561. [2024-11-16 15:14:22,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 383 states have (on average 1.3342036553524803) internal successors, (511), 383 states have internal predecessors, (511), 168 states have call successors, (168), 9 states have call predecessors, (168), 9 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2024-11-16 15:14:22,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 847 transitions. [2024-11-16 15:14:22,342 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 847 transitions. Word has length 266 [2024-11-16 15:14:22,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:14:22,343 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 847 transitions. [2024-11-16 15:14:22,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-16 15:14:22,343 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 847 transitions. [2024-11-16 15:14:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-16 15:14:22,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:14:22,347 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:14:22,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 15:14:22,347 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:14:22,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:14:22,348 INFO L85 PathProgramCache]: Analyzing trace with hash -467882485, now seen corresponding path program 1 times [2024-11-16 15:14:22,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:14:22,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964153037] [2024-11-16 15:14:22,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:14:22,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:14:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat