./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-21.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 4e26c4f9f4bd36e827f5cc020962f05d0934fda94760f725a49c7754f36caf1f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 07:41:56,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 07:41:56,821 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 07:41:56,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 07:41:56,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 07:41:56,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 07:41:56,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 07:41:56,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 07:41:56,848 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 07:41:56,848 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 07:41:56,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 07:41:56,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 07:41:56,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 07:41:56,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 07:41:56,850 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 07:41:56,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 07:41:56,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 07:41:56,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 07:41:56,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 07:41:56,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 07:41:56,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 07:41:56,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 07:41:56,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 07:41:56,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 07:41:56,854 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 07:41:56,855 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 07:41:56,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 07:41:56,855 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 07:41:56,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 07:41:56,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 07:41:56,857 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 07:41:56,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 07:41:56,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 07:41:56,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 07:41:56,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 07:41:56,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 07:41:56,859 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 07:41:56,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 07:41:56,859 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 07:41:56,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 07:41:56,860 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 07:41:56,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 07:41:56,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e26c4f9f4bd36e827f5cc020962f05d0934fda94760f725a49c7754f36caf1f [2024-11-22 07:41:57,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 07:41:57,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 07:41:57,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 07:41:57,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 07:41:57,178 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 07:41:57,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-21.i [2024-11-22 07:41:58,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 07:41:58,955 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 07:41:58,956 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-21.i [2024-11-22 07:41:58,978 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4be32f90/106acc4084014b2193acb0da3c302e50/FLAG4274282ed [2024-11-22 07:41:58,992 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4be32f90/106acc4084014b2193acb0da3c302e50 [2024-11-22 07:41:58,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 07:41:58,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 07:41:58,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 07:41:58,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 07:41:59,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 07:41:59,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 07:41:58" (1/1) ... [2024-11-22 07:41:59,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599c30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59, skipping insertion in model container [2024-11-22 07:41:59,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 07:41:58" (1/1) ... [2024-11-22 07:41:59,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 07:41:59,243 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_fillercodesize_ps-cn-500_file-21.i[916,929] [2024-11-22 07:41:59,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 07:41:59,483 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 07:41:59,500 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_fillercodesize_ps-cn-500_file-21.i[916,929] [2024-11-22 07:41:59,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 07:41:59,614 INFO L204 MainTranslator]: Completed translation [2024-11-22 07:41:59,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59 WrapperNode [2024-11-22 07:41:59,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 07:41:59,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 07:41:59,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 07:41:59,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 07:41:59,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (1/1) ... [2024-11-22 07:41:59,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (1/1) ... [2024-11-22 07:41:59,732 INFO L138 Inliner]: procedures = 26, calls = 117, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 851 [2024-11-22 07:41:59,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 07:41:59,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 07:41:59,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 07:41:59,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 07:41:59,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (1/1) ... [2024-11-22 07:41:59,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (1/1) ... [2024-11-22 07:41:59,765 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (1/1) ... [2024-11-22 07:41:59,814 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]. [2024-11-22 07:41:59,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (1/1) ... [2024-11-22 07:41:59,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (1/1) ... [2024-11-22 07:41:59,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (1/1) ... [2024-11-22 07:41:59,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (1/1) ... [2024-11-22 07:41:59,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (1/1) ... [2024-11-22 07:41:59,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (1/1) ... [2024-11-22 07:41:59,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 07:41:59,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 07:41:59,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 07:41:59,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 07:41:59,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (1/1) ... [2024-11-22 07:41:59,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 07:41:59,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 07:41:59,941 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) [2024-11-22 07:41:59,947 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 [2024-11-22 07:41:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 07:41:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 07:41:59,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 07:41:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 07:41:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 07:41:59,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 07:42:00,143 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 07:42:00,145 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 07:42:01,535 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-22 07:42:01,535 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 07:42:01,561 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 07:42:01,561 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 07:42:01,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 07:42:01 BoogieIcfgContainer [2024-11-22 07:42:01,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 07:42:01,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 07:42:01,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 07:42:01,569 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 07:42:01,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 07:41:58" (1/3) ... [2024-11-22 07:42:01,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2ae3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 07:42:01, skipping insertion in model container [2024-11-22 07:42:01,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 07:41:59" (2/3) ... [2024-11-22 07:42:01,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2ae3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 07:42:01, skipping insertion in model container [2024-11-22 07:42:01,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 07:42:01" (3/3) ... [2024-11-22 07:42:01,574 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-21.i [2024-11-22 07:42:01,591 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 07:42:01,592 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 07:42:01,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 07:42:01,684 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;@157c16a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 07:42:01,685 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 07:42:01,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 347 states, 240 states have (on average 1.6) internal successors, (384), 241 states have internal predecessors, (384), 104 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-22 07:42:01,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2024-11-22 07:42:01,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:01,733 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:01,734 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:01,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:01,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1212605138, now seen corresponding path program 1 times [2024-11-22 07:42:01,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:01,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367557175] [2024-11-22 07:42:01,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:01,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:02,521 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 21218 trivial. 0 not checked. [2024-11-22 07:42:02,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:02,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367557175] [2024-11-22 07:42:02,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367557175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 07:42:02,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766578646] [2024-11-22 07:42:02,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:02,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 07:42:02,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 07:42:02,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 07:42:02,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 07:42:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:03,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 1537 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 07:42:03,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 07:42:03,135 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 21218 trivial. 0 not checked. [2024-11-22 07:42:03,136 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 07:42:03,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766578646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:03,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 07:42:03,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 07:42:03,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14272306] [2024-11-22 07:42:03,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:03,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 07:42:03,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:03,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 07:42:03,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 07:42:03,177 INFO L87 Difference]: Start difference. First operand has 347 states, 240 states have (on average 1.6) internal successors, (384), 241 states have internal predecessors, (384), 104 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) Second operand has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 2 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 2 states have call successors, (104) [2024-11-22 07:42:03,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:03,269 INFO L93 Difference]: Finished difference Result 687 states and 1282 transitions. [2024-11-22 07:42:03,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 07:42:03,272 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 2 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 2 states have call successors, (104) Word has length 669 [2024-11-22 07:42:03,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:03,283 INFO L225 Difference]: With dead ends: 687 [2024-11-22 07:42:03,284 INFO L226 Difference]: Without dead ends: 343 [2024-11-22 07:42:03,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 670 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 07:42:03,294 INFO L432 NwaCegarLoop]: 585 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:03,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:42:03,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-22 07:42:03,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2024-11-22 07:42:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 237 states have (on average 1.590717299578059) internal successors, (377), 237 states have internal predecessors, (377), 104 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-22 07:42:03,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 585 transitions. [2024-11-22 07:42:03,384 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 585 transitions. Word has length 669 [2024-11-22 07:42:03,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:03,387 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 585 transitions. [2024-11-22 07:42:03,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 2 states have call successors, (104), 2 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 2 states have call successors, (104) [2024-11-22 07:42:03,388 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 585 transitions. [2024-11-22 07:42:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2024-11-22 07:42:03,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:03,405 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:03,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 07:42:03,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 07:42:03,610 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:03,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:03,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1478428166, now seen corresponding path program 1 times [2024-11-22 07:42:03,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:03,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826130947] [2024-11-22 07:42:03,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:03,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:04,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:04,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826130947] [2024-11-22 07:42:04,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826130947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:04,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:04,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 07:42:04,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923799892] [2024-11-22 07:42:04,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:04,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 07:42:04,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:04,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 07:42:04,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 07:42:04,579 INFO L87 Difference]: Start difference. First operand 343 states and 585 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) [2024-11-22 07:42:04,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:04,944 INFO L93 Difference]: Finished difference Result 1022 states and 1747 transitions. [2024-11-22 07:42:04,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:42:04,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) Word has length 669 [2024-11-22 07:42:04,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:04,961 INFO L225 Difference]: With dead ends: 1022 [2024-11-22 07:42:04,962 INFO L226 Difference]: Without dead ends: 682 [2024-11-22 07:42:04,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 07:42:04,966 INFO L432 NwaCegarLoop]: 815 mSDtfsCounter, 772 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:04,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 1368 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 07:42:04,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-22 07:42:05,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 680. [2024-11-22 07:42:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 469 states have (on average 1.5906183368869935) internal successors, (746), 469 states have internal predecessors, (746), 208 states have call successors, (208), 2 states have call predecessors, (208), 2 states have return successors, (208), 208 states have call predecessors, (208), 208 states have call successors, (208) [2024-11-22 07:42:05,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1162 transitions. [2024-11-22 07:42:05,096 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1162 transitions. Word has length 669 [2024-11-22 07:42:05,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:05,100 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 1162 transitions. [2024-11-22 07:42:05,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 2 states have call predecessors, (104), 2 states have call successors, (104) [2024-11-22 07:42:05,101 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1162 transitions. [2024-11-22 07:42:05,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2024-11-22 07:42:05,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:05,144 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:05,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 07:42:05,144 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:05,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:05,145 INFO L85 PathProgramCache]: Analyzing trace with hash -482407452, now seen corresponding path program 1 times [2024-11-22 07:42:05,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:05,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492379963] [2024-11-22 07:42:05,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:05,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:05,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:05,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492379963] [2024-11-22 07:42:05,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492379963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:05,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:05,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:42:05,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829492829] [2024-11-22 07:42:05,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:05,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:42:05,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:05,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:42:05,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:05,483 INFO L87 Difference]: Start difference. First operand 680 states and 1162 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:05,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:05,628 INFO L93 Difference]: Finished difference Result 2030 states and 3472 transitions. [2024-11-22 07:42:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:42:05,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 670 [2024-11-22 07:42:05,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:05,642 INFO L225 Difference]: With dead ends: 2030 [2024-11-22 07:42:05,642 INFO L226 Difference]: Without dead ends: 1353 [2024-11-22 07:42:05,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:05,647 INFO L432 NwaCegarLoop]: 1129 mSDtfsCounter, 571 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:05,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 1699 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:42:05,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2024-11-22 07:42:05,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1351. [2024-11-22 07:42:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 930 states have (on average 1.5849462365591398) internal successors, (1474), 930 states have internal predecessors, (1474), 416 states have call successors, (416), 4 states have call predecessors, (416), 4 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2024-11-22 07:42:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 2306 transitions. [2024-11-22 07:42:05,823 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 2306 transitions. Word has length 670 [2024-11-22 07:42:05,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:05,825 INFO L471 AbstractCegarLoop]: Abstraction has 1351 states and 2306 transitions. [2024-11-22 07:42:05,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2306 transitions. [2024-11-22 07:42:05,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2024-11-22 07:42:05,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:05,841 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:05,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 07:42:05,841 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:05,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:05,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1735222946, now seen corresponding path program 1 times [2024-11-22 07:42:05,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:05,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573305057] [2024-11-22 07:42:05,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:05,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:06,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:06,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573305057] [2024-11-22 07:42:06,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573305057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:06,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:06,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:42:06,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161453079] [2024-11-22 07:42:06,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:06,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:42:06,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:06,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:42:06,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:06,172 INFO L87 Difference]: Start difference. First operand 1351 states and 2306 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:06,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:06,287 INFO L93 Difference]: Finished difference Result 3395 states and 5819 transitions. [2024-11-22 07:42:06,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:42:06,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 670 [2024-11-22 07:42:06,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:06,303 INFO L225 Difference]: With dead ends: 3395 [2024-11-22 07:42:06,304 INFO L226 Difference]: Without dead ends: 2047 [2024-11-22 07:42:06,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:06,310 INFO L432 NwaCegarLoop]: 852 mSDtfsCounter, 337 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:06,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 1422 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:42:06,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2024-11-22 07:42:06,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 2016. [2024-11-22 07:42:06,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2016 states, 1503 states have (on average 1.6307385229540918) internal successors, (2451), 1507 states have internal predecessors, (2451), 504 states have call successors, (504), 8 states have call predecessors, (504), 8 states have return successors, (504), 500 states have call predecessors, (504), 504 states have call successors, (504) [2024-11-22 07:42:06,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 2016 states and 3459 transitions. [2024-11-22 07:42:06,606 INFO L78 Accepts]: Start accepts. Automaton has 2016 states and 3459 transitions. Word has length 670 [2024-11-22 07:42:06,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:06,608 INFO L471 AbstractCegarLoop]: Abstraction has 2016 states and 3459 transitions. [2024-11-22 07:42:06,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 3459 transitions. [2024-11-22 07:42:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2024-11-22 07:42:06,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:06,615 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:06,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 07:42:06,615 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:06,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:06,616 INFO L85 PathProgramCache]: Analyzing trace with hash 331038551, now seen corresponding path program 1 times [2024-11-22 07:42:06,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:06,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722075346] [2024-11-22 07:42:06,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:06,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:07,074 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:07,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:07,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722075346] [2024-11-22 07:42:07,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722075346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:07,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:07,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 07:42:07,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104826479] [2024-11-22 07:42:07,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:07,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 07:42:07,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:07,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 07:42:07,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 07:42:07,079 INFO L87 Difference]: Start difference. First operand 2016 states and 3459 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:07,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:07,477 INFO L93 Difference]: Finished difference Result 4732 states and 8125 transitions. [2024-11-22 07:42:07,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 07:42:07,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 670 [2024-11-22 07:42:07,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:07,500 INFO L225 Difference]: With dead ends: 4732 [2024-11-22 07:42:07,501 INFO L226 Difference]: Without dead ends: 2719 [2024-11-22 07:42:07,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 07:42:07,510 INFO L432 NwaCegarLoop]: 742 mSDtfsCounter, 965 mSDsluCounter, 1362 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 2104 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:07,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 2104 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 07:42:07,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2024-11-22 07:42:07,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 2712. [2024-11-22 07:42:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2712 states, 2079 states have (on average 1.6459836459836459) internal successors, (3422), 2087 states have internal predecessors, (3422), 620 states have call successors, (620), 12 states have call predecessors, (620), 12 states have return successors, (620), 612 states have call predecessors, (620), 620 states have call successors, (620) [2024-11-22 07:42:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 4662 transitions. [2024-11-22 07:42:07,893 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 4662 transitions. Word has length 670 [2024-11-22 07:42:07,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:07,894 INFO L471 AbstractCegarLoop]: Abstraction has 2712 states and 4662 transitions. [2024-11-22 07:42:07,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:07,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 4662 transitions. [2024-11-22 07:42:07,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2024-11-22 07:42:07,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:07,907 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:07,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 07:42:07,907 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:07,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:07,908 INFO L85 PathProgramCache]: Analyzing trace with hash 571278297, now seen corresponding path program 1 times [2024-11-22 07:42:07,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:07,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895562178] [2024-11-22 07:42:07,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:07,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:08,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:08,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895562178] [2024-11-22 07:42:08,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895562178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:08,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:08,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:42:08,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239671693] [2024-11-22 07:42:08,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:08,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:42:08,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:08,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:42:08,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:08,418 INFO L87 Difference]: Start difference. First operand 2712 states and 4662 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:08,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:08,706 INFO L93 Difference]: Finished difference Result 7070 states and 12153 transitions. [2024-11-22 07:42:08,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:42:08,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 670 [2024-11-22 07:42:08,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:08,740 INFO L225 Difference]: With dead ends: 7070 [2024-11-22 07:42:08,740 INFO L226 Difference]: Without dead ends: 4361 [2024-11-22 07:42:08,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:08,755 INFO L432 NwaCegarLoop]: 734 mSDtfsCounter, 359 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:08,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 1280 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 07:42:08,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4361 states. [2024-11-22 07:42:09,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4361 to 4358. [2024-11-22 07:42:09,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4358 states, 3349 states have (on average 1.6446700507614214) internal successors, (5508), 3363 states have internal predecessors, (5508), 988 states have call successors, (988), 20 states have call predecessors, (988), 20 states have return successors, (988), 974 states have call predecessors, (988), 988 states have call successors, (988) [2024-11-22 07:42:09,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4358 states to 4358 states and 7484 transitions. [2024-11-22 07:42:09,226 INFO L78 Accepts]: Start accepts. Automaton has 4358 states and 7484 transitions. Word has length 670 [2024-11-22 07:42:09,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:09,227 INFO L471 AbstractCegarLoop]: Abstraction has 4358 states and 7484 transitions. [2024-11-22 07:42:09,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 4358 states and 7484 transitions. [2024-11-22 07:42:09,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2024-11-22 07:42:09,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:09,237 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:09,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 07:42:09,237 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:09,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:09,238 INFO L85 PathProgramCache]: Analyzing trace with hash -921226375, now seen corresponding path program 1 times [2024-11-22 07:42:09,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:09,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197051500] [2024-11-22 07:42:09,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:09,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:09,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:09,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197051500] [2024-11-22 07:42:09,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197051500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:09,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:09,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:42:09,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639689457] [2024-11-22 07:42:09,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:09,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:42:09,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:09,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:42:09,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:09,521 INFO L87 Difference]: Start difference. First operand 4358 states and 7484 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:09,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:09,702 INFO L93 Difference]: Finished difference Result 6543 states and 11244 transitions. [2024-11-22 07:42:09,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:42:09,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 671 [2024-11-22 07:42:09,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:09,721 INFO L225 Difference]: With dead ends: 6543 [2024-11-22 07:42:09,722 INFO L226 Difference]: Without dead ends: 2188 [2024-11-22 07:42:09,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:09,736 INFO L432 NwaCegarLoop]: 571 mSDtfsCounter, 555 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:09,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 571 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:42:09,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2024-11-22 07:42:09,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2188. [2024-11-22 07:42:09,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2188 states, 1683 states have (on average 1.6387403446226976) internal successors, (2758), 1690 states have internal predecessors, (2758), 494 states have call successors, (494), 10 states have call predecessors, (494), 10 states have return successors, (494), 487 states have call predecessors, (494), 494 states have call successors, (494) [2024-11-22 07:42:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 3746 transitions. [2024-11-22 07:42:09,972 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 3746 transitions. Word has length 671 [2024-11-22 07:42:09,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:09,973 INFO L471 AbstractCegarLoop]: Abstraction has 2188 states and 3746 transitions. [2024-11-22 07:42:09,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:09,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3746 transitions. [2024-11-22 07:42:09,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2024-11-22 07:42:09,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:09,981 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:09,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 07:42:09,981 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:09,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:09,982 INFO L85 PathProgramCache]: Analyzing trace with hash 339690875, now seen corresponding path program 1 times [2024-11-22 07:42:09,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:09,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390779372] [2024-11-22 07:42:09,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:09,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:10,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:10,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390779372] [2024-11-22 07:42:10,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390779372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:10,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:10,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:42:10,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707684309] [2024-11-22 07:42:10,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:10,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:42:10,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:10,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:42:10,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:10,321 INFO L87 Difference]: Start difference. First operand 2188 states and 3746 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:10,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:10,614 INFO L93 Difference]: Finished difference Result 6508 states and 11142 transitions. [2024-11-22 07:42:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:42:10,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 671 [2024-11-22 07:42:10,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:10,648 INFO L225 Difference]: With dead ends: 6508 [2024-11-22 07:42:10,649 INFO L226 Difference]: Without dead ends: 4323 [2024-11-22 07:42:10,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:10,661 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 540 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:10,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 1197 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:42:10,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4323 states. [2024-11-22 07:42:11,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4323 to 4321. [2024-11-22 07:42:11,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4321 states, 3312 states have (on average 1.6280193236714975) internal successors, (5392), 3326 states have internal predecessors, (5392), 988 states have call successors, (988), 20 states have call predecessors, (988), 20 states have return successors, (988), 974 states have call predecessors, (988), 988 states have call successors, (988) [2024-11-22 07:42:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 4321 states and 7368 transitions. [2024-11-22 07:42:11,198 INFO L78 Accepts]: Start accepts. Automaton has 4321 states and 7368 transitions. Word has length 671 [2024-11-22 07:42:11,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:11,203 INFO L471 AbstractCegarLoop]: Abstraction has 4321 states and 7368 transitions. [2024-11-22 07:42:11,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:11,203 INFO L276 IsEmpty]: Start isEmpty. Operand 4321 states and 7368 transitions. [2024-11-22 07:42:11,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2024-11-22 07:42:11,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:11,212 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:11,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 07:42:11,213 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:11,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:11,213 INFO L85 PathProgramCache]: Analyzing trace with hash -987430665, now seen corresponding path program 1 times [2024-11-22 07:42:11,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:11,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360330008] [2024-11-22 07:42:11,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:11,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:11,506 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:11,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:11,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360330008] [2024-11-22 07:42:11,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360330008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:11,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:11,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:42:11,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791803409] [2024-11-22 07:42:11,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:11,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:42:11,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:11,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:42:11,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:11,513 INFO L87 Difference]: Start difference. First operand 4321 states and 7368 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:11,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:11,893 INFO L93 Difference]: Finished difference Result 12957 states and 22098 transitions. [2024-11-22 07:42:11,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:42:11,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 671 [2024-11-22 07:42:11,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:11,955 INFO L225 Difference]: With dead ends: 12957 [2024-11-22 07:42:11,956 INFO L226 Difference]: Without dead ends: 8639 [2024-11-22 07:42:11,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:11,981 INFO L432 NwaCegarLoop]: 1044 mSDtfsCounter, 551 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:11,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1613 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:42:11,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8639 states. [2024-11-22 07:42:12,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8639 to 8637. [2024-11-22 07:42:12,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8637 states, 6620 states have (on average 1.6193353474320242) internal successors, (10720), 6648 states have internal predecessors, (10720), 1976 states have call successors, (1976), 40 states have call predecessors, (1976), 40 states have return successors, (1976), 1948 states have call predecessors, (1976), 1976 states have call successors, (1976) [2024-11-22 07:42:12,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8637 states to 8637 states and 14672 transitions. [2024-11-22 07:42:12,869 INFO L78 Accepts]: Start accepts. Automaton has 8637 states and 14672 transitions. Word has length 671 [2024-11-22 07:42:12,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:12,870 INFO L471 AbstractCegarLoop]: Abstraction has 8637 states and 14672 transitions. [2024-11-22 07:42:12,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:12,871 INFO L276 IsEmpty]: Start isEmpty. Operand 8637 states and 14672 transitions. [2024-11-22 07:42:12,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2024-11-22 07:42:12,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:12,882 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:12,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 07:42:12,882 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:12,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:12,883 INFO L85 PathProgramCache]: Analyzing trace with hash 818007669, now seen corresponding path program 1 times [2024-11-22 07:42:12,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:12,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200300662] [2024-11-22 07:42:12,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:12,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:13,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:13,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200300662] [2024-11-22 07:42:13,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200300662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:13,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:13,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 07:42:13,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124264943] [2024-11-22 07:42:13,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:13,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 07:42:13,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:13,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 07:42:13,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 07:42:13,283 INFO L87 Difference]: Start difference. First operand 8637 states and 14672 transitions. Second operand has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:13,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:13,812 INFO L93 Difference]: Finished difference Result 17271 states and 29341 transitions. [2024-11-22 07:42:13,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 07:42:13,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 671 [2024-11-22 07:42:13,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:13,863 INFO L225 Difference]: With dead ends: 17271 [2024-11-22 07:42:13,863 INFO L226 Difference]: Without dead ends: 8637 [2024-11-22 07:42:13,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 07:42:13,895 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 567 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:13,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1133 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:42:13,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8637 states. [2024-11-22 07:42:14,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8637 to 8637. [2024-11-22 07:42:14,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8637 states, 6620 states have (on average 1.6157099697885196) internal successors, (10696), 6648 states have internal predecessors, (10696), 1976 states have call successors, (1976), 40 states have call predecessors, (1976), 40 states have return successors, (1976), 1948 states have call predecessors, (1976), 1976 states have call successors, (1976) [2024-11-22 07:42:14,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8637 states to 8637 states and 14648 transitions. [2024-11-22 07:42:14,935 INFO L78 Accepts]: Start accepts. Automaton has 8637 states and 14648 transitions. Word has length 671 [2024-11-22 07:42:14,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:14,936 INFO L471 AbstractCegarLoop]: Abstraction has 8637 states and 14648 transitions. [2024-11-22 07:42:14,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:14,937 INFO L276 IsEmpty]: Start isEmpty. Operand 8637 states and 14648 transitions. [2024-11-22 07:42:14,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-11-22 07:42:14,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:14,946 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:14,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 07:42:14,947 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:14,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:14,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1062688321, now seen corresponding path program 1 times [2024-11-22 07:42:14,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:14,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691148741] [2024-11-22 07:42:14,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:14,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:15,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:15,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691148741] [2024-11-22 07:42:15,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691148741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:15,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:15,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:42:15,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843175313] [2024-11-22 07:42:15,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:15,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:42:15,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:15,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:42:15,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:15,511 INFO L87 Difference]: Start difference. First operand 8637 states and 14648 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:16,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:16,190 INFO L93 Difference]: Finished difference Result 22457 states and 37622 transitions. [2024-11-22 07:42:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:42:16,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 673 [2024-11-22 07:42:16,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:16,296 INFO L225 Difference]: With dead ends: 22457 [2024-11-22 07:42:16,297 INFO L226 Difference]: Without dead ends: 13823 [2024-11-22 07:42:16,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:16,338 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 392 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:16,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 1173 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:42:16,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13823 states. [2024-11-22 07:42:17,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13823 to 8677. [2024-11-22 07:42:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8677 states, 6660 states have (on average 1.612012012012012) internal successors, (10736), 6688 states have internal predecessors, (10736), 1976 states have call successors, (1976), 40 states have call predecessors, (1976), 40 states have return successors, (1976), 1948 states have call predecessors, (1976), 1976 states have call successors, (1976) [2024-11-22 07:42:17,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8677 states to 8677 states and 14688 transitions. [2024-11-22 07:42:17,507 INFO L78 Accepts]: Start accepts. Automaton has 8677 states and 14688 transitions. Word has length 673 [2024-11-22 07:42:17,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:17,509 INFO L471 AbstractCegarLoop]: Abstraction has 8677 states and 14688 transitions. [2024-11-22 07:42:17,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:17,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8677 states and 14688 transitions. [2024-11-22 07:42:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-11-22 07:42:17,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:17,520 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:17,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 07:42:17,521 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:17,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:17,521 INFO L85 PathProgramCache]: Analyzing trace with hash -626255421, now seen corresponding path program 1 times [2024-11-22 07:42:17,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:17,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136092275] [2024-11-22 07:42:17,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:17,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:17,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:17,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136092275] [2024-11-22 07:42:17,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136092275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:17,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:17,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 07:42:17,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595007834] [2024-11-22 07:42:17,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:17,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 07:42:17,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:17,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 07:42:17,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 07:42:17,998 INFO L87 Difference]: Start difference. First operand 8677 states and 14688 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:19,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:19,086 INFO L93 Difference]: Finished difference Result 13995 states and 23707 transitions. [2024-11-22 07:42:19,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 07:42:19,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 673 [2024-11-22 07:42:19,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:19,149 INFO L225 Difference]: With dead ends: 13995 [2024-11-22 07:42:19,149 INFO L226 Difference]: Without dead ends: 11841 [2024-11-22 07:42:19,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 07:42:19,164 INFO L432 NwaCegarLoop]: 706 mSDtfsCounter, 819 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:19,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1737 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 07:42:19,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11841 states. [2024-11-22 07:42:20,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11841 to 11821. [2024-11-22 07:42:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11821 states, 9304 states have (on average 1.623817712811694) internal successors, (15108), 9348 states have internal predecessors, (15108), 2456 states have call successors, (2456), 60 states have call predecessors, (2456), 60 states have return successors, (2456), 2412 states have call predecessors, (2456), 2456 states have call successors, (2456) [2024-11-22 07:42:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11821 states to 11821 states and 20020 transitions. [2024-11-22 07:42:20,531 INFO L78 Accepts]: Start accepts. Automaton has 11821 states and 20020 transitions. Word has length 673 [2024-11-22 07:42:20,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:20,533 INFO L471 AbstractCegarLoop]: Abstraction has 11821 states and 20020 transitions. [2024-11-22 07:42:20,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:20,534 INFO L276 IsEmpty]: Start isEmpty. Operand 11821 states and 20020 transitions. [2024-11-22 07:42:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-11-22 07:42:20,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:20,549 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:20,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 07:42:20,549 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:20,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:20,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1100519425, now seen corresponding path program 1 times [2024-11-22 07:42:20,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:20,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131943411] [2024-11-22 07:42:20,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:20,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:21,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:21,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131943411] [2024-11-22 07:42:21,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131943411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:21,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:21,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 07:42:21,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614474092] [2024-11-22 07:42:21,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:21,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 07:42:21,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:21,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 07:42:21,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-22 07:42:21,318 INFO L87 Difference]: Start difference. First operand 11821 states and 20020 transitions. Second operand has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:23,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:23,108 INFO L93 Difference]: Finished difference Result 25451 states and 43046 transitions. [2024-11-22 07:42:23,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 07:42:23,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 673 [2024-11-22 07:42:23,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:23,190 INFO L225 Difference]: With dead ends: 25451 [2024-11-22 07:42:23,191 INFO L226 Difference]: Without dead ends: 13633 [2024-11-22 07:42:23,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-22 07:42:23,230 INFO L432 NwaCegarLoop]: 944 mSDtfsCounter, 1741 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 1767 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:23,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 1767 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 07:42:23,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13633 states. [2024-11-22 07:42:24,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13633 to 13615. [2024-11-22 07:42:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13615 states, 10762 states have (on average 1.6199591154060584) internal successors, (17434), 10818 states have internal predecessors, (17434), 2768 states have call successors, (2768), 84 states have call predecessors, (2768), 84 states have return successors, (2768), 2712 states have call predecessors, (2768), 2768 states have call successors, (2768) [2024-11-22 07:42:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13615 states to 13615 states and 22970 transitions. [2024-11-22 07:42:24,586 INFO L78 Accepts]: Start accepts. Automaton has 13615 states and 22970 transitions. Word has length 673 [2024-11-22 07:42:24,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:24,587 INFO L471 AbstractCegarLoop]: Abstraction has 13615 states and 22970 transitions. [2024-11-22 07:42:24,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 13615 states and 22970 transitions. [2024-11-22 07:42:24,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-11-22 07:42:24,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:24,599 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:24,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 07:42:24,600 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:24,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:24,600 INFO L85 PathProgramCache]: Analyzing trace with hash 940502529, now seen corresponding path program 1 times [2024-11-22 07:42:24,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:24,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082563827] [2024-11-22 07:42:24,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:24,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:25,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:25,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082563827] [2024-11-22 07:42:25,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082563827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:25,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:25,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 07:42:25,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015872197] [2024-11-22 07:42:25,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:25,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 07:42:25,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:25,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 07:42:25,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 07:42:25,418 INFO L87 Difference]: Start difference. First operand 13615 states and 22970 transitions. Second operand has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:28,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:28,400 INFO L93 Difference]: Finished difference Result 37493 states and 63033 transitions. [2024-11-22 07:42:28,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 07:42:28,401 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 673 [2024-11-22 07:42:28,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:28,510 INFO L225 Difference]: With dead ends: 37493 [2024-11-22 07:42:28,510 INFO L226 Difference]: Without dead ends: 23881 [2024-11-22 07:42:28,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-22 07:42:28,566 INFO L432 NwaCegarLoop]: 692 mSDtfsCounter, 1948 mSDsluCounter, 2469 mSDsCounter, 0 mSdLazyCounter, 1546 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 3161 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 1546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:28,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1948 Valid, 3161 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 1546 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-22 07:42:28,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23881 states. [2024-11-22 07:42:30,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23881 to 21901. [2024-11-22 07:42:30,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21901 states, 17390 states have (on average 1.6141460609545717) internal successors, (28070), 17488 states have internal predecessors, (28070), 4368 states have call successors, (4368), 142 states have call predecessors, (4368), 142 states have return successors, (4368), 4270 states have call predecessors, (4368), 4368 states have call successors, (4368) [2024-11-22 07:42:30,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21901 states to 21901 states and 36806 transitions. [2024-11-22 07:42:30,858 INFO L78 Accepts]: Start accepts. Automaton has 21901 states and 36806 transitions. Word has length 673 [2024-11-22 07:42:30,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:30,859 INFO L471 AbstractCegarLoop]: Abstraction has 21901 states and 36806 transitions. [2024-11-22 07:42:30,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:30,860 INFO L276 IsEmpty]: Start isEmpty. Operand 21901 states and 36806 transitions. [2024-11-22 07:42:30,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-11-22 07:42:30,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:30,874 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:30,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 07:42:30,874 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:30,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:30,875 INFO L85 PathProgramCache]: Analyzing trace with hash -120156415, now seen corresponding path program 1 times [2024-11-22 07:42:30,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:30,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199724714] [2024-11-22 07:42:30,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:30,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:31,657 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:31,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:31,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199724714] [2024-11-22 07:42:31,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199724714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:31,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:31,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 07:42:31,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146127709] [2024-11-22 07:42:31,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:31,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 07:42:31,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:31,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 07:42:31,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 07:42:31,662 INFO L87 Difference]: Start difference. First operand 21901 states and 36806 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:34,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:34,709 INFO L93 Difference]: Finished difference Result 69075 states and 115213 transitions. [2024-11-22 07:42:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 07:42:34,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 673 [2024-11-22 07:42:34,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:34,902 INFO L225 Difference]: With dead ends: 69075 [2024-11-22 07:42:34,902 INFO L226 Difference]: Without dead ends: 46857 [2024-11-22 07:42:34,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 07:42:34,976 INFO L432 NwaCegarLoop]: 837 mSDtfsCounter, 690 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:34,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 1822 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 07:42:35,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46857 states. [2024-11-22 07:42:38,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46857 to 39793. [2024-11-22 07:42:38,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39793 states, 31524 states have (on average 1.608996320263926) internal successors, (50722), 31736 states have internal predecessors, (50722), 7984 states have call successors, (7984), 284 states have call predecessors, (7984), 284 states have return successors, (7984), 7772 states have call predecessors, (7984), 7984 states have call successors, (7984) [2024-11-22 07:42:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39793 states to 39793 states and 66690 transitions. [2024-11-22 07:42:38,517 INFO L78 Accepts]: Start accepts. Automaton has 39793 states and 66690 transitions. Word has length 673 [2024-11-22 07:42:38,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:38,518 INFO L471 AbstractCegarLoop]: Abstraction has 39793 states and 66690 transitions. [2024-11-22 07:42:38,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 39793 states and 66690 transitions. [2024-11-22 07:42:38,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-11-22 07:42:38,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:38,538 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:38,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 07:42:38,539 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:38,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:38,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1470323647, now seen corresponding path program 1 times [2024-11-22 07:42:38,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:38,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939024468] [2024-11-22 07:42:38,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:38,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:39,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:39,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939024468] [2024-11-22 07:42:39,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939024468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:39,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:39,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:42:39,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518333859] [2024-11-22 07:42:39,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:39,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:42:39,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:39,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:42:39,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:39,097 INFO L87 Difference]: Start difference. First operand 39793 states and 66690 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:40,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:40,557 INFO L93 Difference]: Finished difference Result 59689 states and 100208 transitions. [2024-11-22 07:42:40,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 07:42:40,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 673 [2024-11-22 07:42:40,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:40,662 INFO L225 Difference]: With dead ends: 59689 [2024-11-22 07:42:40,662 INFO L226 Difference]: Without dead ends: 19899 [2024-11-22 07:42:40,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:40,757 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 534 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:40,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 569 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 07:42:40,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19899 states. [2024-11-22 07:42:42,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19899 to 19899. [2024-11-22 07:42:42,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19899 states, 15764 states have (on average 1.6051129155036792) internal successors, (25303), 15870 states have internal predecessors, (25303), 3992 states have call successors, (3992), 142 states have call predecessors, (3992), 142 states have return successors, (3992), 3886 states have call predecessors, (3992), 3992 states have call successors, (3992) [2024-11-22 07:42:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19899 states to 19899 states and 33287 transitions. [2024-11-22 07:42:42,322 INFO L78 Accepts]: Start accepts. Automaton has 19899 states and 33287 transitions. Word has length 673 [2024-11-22 07:42:42,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:42,323 INFO L471 AbstractCegarLoop]: Abstraction has 19899 states and 33287 transitions. [2024-11-22 07:42:42,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:42,323 INFO L276 IsEmpty]: Start isEmpty. Operand 19899 states and 33287 transitions. [2024-11-22 07:42:42,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2024-11-22 07:42:42,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:42,338 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:42,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 07:42:42,339 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:42,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:42,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1267351809, now seen corresponding path program 1 times [2024-11-22 07:42:42,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:42,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047025932] [2024-11-22 07:42:42,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:42,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:42,898 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:42,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:42,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047025932] [2024-11-22 07:42:42,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047025932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:42,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:42,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 07:42:42,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865221881] [2024-11-22 07:42:42,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:42,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 07:42:42,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:42,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 07:42:42,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 07:42:42,907 INFO L87 Difference]: Start difference. First operand 19899 states and 33287 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:47,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 07:42:47,875 INFO L93 Difference]: Finished difference Result 100393 states and 167181 transitions. [2024-11-22 07:42:47,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 07:42:47,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) Word has length 673 [2024-11-22 07:42:47,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 07:42:48,112 INFO L225 Difference]: With dead ends: 100393 [2024-11-22 07:42:48,112 INFO L226 Difference]: Without dead ends: 80497 [2024-11-22 07:42:48,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 07:42:48,182 INFO L432 NwaCegarLoop]: 780 mSDtfsCounter, 1649 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1649 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 07:42:48,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1649 Valid, 2229 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 07:42:48,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80497 states. [2024-11-22 07:42:51,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80497 to 47013. [2024-11-22 07:42:51,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47013 states, 40146 states have (on average 1.671922482937279) internal successors, (67121), 40354 states have internal predecessors, (67121), 6584 states have call successors, (6584), 282 states have call predecessors, (6584), 282 states have return successors, (6584), 6376 states have call predecessors, (6584), 6584 states have call successors, (6584) [2024-11-22 07:42:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47013 states to 47013 states and 80289 transitions. [2024-11-22 07:42:51,552 INFO L78 Accepts]: Start accepts. Automaton has 47013 states and 80289 transitions. Word has length 673 [2024-11-22 07:42:51,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 07:42:51,553 INFO L471 AbstractCegarLoop]: Abstraction has 47013 states and 80289 transitions. [2024-11-22 07:42:51,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104) [2024-11-22 07:42:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 47013 states and 80289 transitions. [2024-11-22 07:42:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2024-11-22 07:42:51,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 07:42:51,584 INFO L215 NwaCegarLoop]: trace histogram [104, 104, 104, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 07:42:51,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 07:42:51,585 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 07:42:51,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 07:42:51,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1846857551, now seen corresponding path program 1 times [2024-11-22 07:42:51,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 07:42:51,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032379979] [2024-11-22 07:42:51,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 07:42:51,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 07:42:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 07:42:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 21424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21424 trivial. 0 not checked. [2024-11-22 07:42:52,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 07:42:52,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032379979] [2024-11-22 07:42:52,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032379979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 07:42:52,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 07:42:52,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 07:42:52,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784481405] [2024-11-22 07:42:52,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 07:42:52,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 07:42:52,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 07:42:52,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 07:42:52,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 07:42:52,237 INFO L87 Difference]: Start difference. First operand 47013 states and 80289 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 1 states have call predecessors, (104), 1 states have call successors, (104)