./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.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 1294b8a15f94b3cb1e5cc1cab22125a388a743f77b9c1cf279de0f76ef77494d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 04:18:01,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 04:18:01,948 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 04:18:01,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 04:18:01,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 04:18:01,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 04:18:01,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 04:18:01,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 04:18:01,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 04:18:01,985 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 04:18:01,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 04:18:01,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 04:18:01,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 04:18:01,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 04:18:01,988 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 04:18:01,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 04:18:01,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 04:18:01,989 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 04:18:01,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 04:18:01,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 04:18:01,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 04:18:01,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 04:18:01,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 04:18:01,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 04:18:01,995 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 04:18:01,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 04:18:01,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 04:18:01,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 04:18:01,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 04:18:01,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 04:18:01,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 04:18:01,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 04:18:01,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:18:01,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 04:18:01,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 04:18:01,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 04:18:02,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 04:18:02,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 04:18:02,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 04:18:02,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 04:18:02,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 04:18:02,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 04:18:02,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1294b8a15f94b3cb1e5cc1cab22125a388a743f77b9c1cf279de0f76ef77494d [2024-11-12 04:18:02,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 04:18:02,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 04:18:02,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 04:18:02,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 04:18:02,285 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 04:18:02,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i [2024-11-12 04:18:03,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 04:18:04,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 04:18:04,032 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i [2024-11-12 04:18:04,043 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c2aaf3b2/2cbedbac37b04802938b38b77d897ed7/FLAGa7bae8405 [2024-11-12 04:18:04,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c2aaf3b2/2cbedbac37b04802938b38b77d897ed7 [2024-11-12 04:18:04,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 04:18:04,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 04:18:04,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 04:18:04,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 04:18:04,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 04:18:04,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e195067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04, skipping insertion in model container [2024-11-12 04:18:04,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 04:18:04,598 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i[919,932] [2024-11-12 04:18:04,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:18:04,699 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 04:18:04,712 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i[919,932] [2024-11-12 04:18:04,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:18:04,777 INFO L204 MainTranslator]: Completed translation [2024-11-12 04:18:04,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04 WrapperNode [2024-11-12 04:18:04,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 04:18:04,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 04:18:04,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 04:18:04,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 04:18:04,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,844 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2024-11-12 04:18:04,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 04:18:04,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 04:18:04,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 04:18:04,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 04:18:04,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,918 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]. [2024-11-12 04:18:04,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,945 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 04:18:04,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 04:18:04,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 04:18:04,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 04:18:04,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (1/1) ... [2024-11-12 04:18:04,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:18:04,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:18:04,997 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) [2024-11-12 04:18:05,019 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 [2024-11-12 04:18:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 04:18:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 04:18:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 04:18:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 04:18:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 04:18:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 04:18:05,191 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 04:18:05,194 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 04:18:05,670 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-12 04:18:05,671 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 04:18:05,690 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 04:18:05,692 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 04:18:05,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:18:05 BoogieIcfgContainer [2024-11-12 04:18:05,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 04:18:05,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 04:18:05,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 04:18:05,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 04:18:05,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:18:04" (1/3) ... [2024-11-12 04:18:05,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5daaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:18:05, skipping insertion in model container [2024-11-12 04:18:05,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:18:04" (2/3) ... [2024-11-12 04:18:05,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5daaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:18:05, skipping insertion in model container [2024-11-12 04:18:05,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:18:05" (3/3) ... [2024-11-12 04:18:05,704 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i [2024-11-12 04:18:05,722 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 04:18:05,722 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 04:18:05,804 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 04:18:05,811 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;@7807380, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 04:18:05,812 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 04:18:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 60 states have (on average 1.4) internal successors, (84), 61 states have internal predecessors, (84), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 04:18:05,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-12 04:18:05,838 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:18:05,839 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:18:05,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:18:05,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:18:05,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1327474279, now seen corresponding path program 1 times [2024-11-12 04:18:05,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:18:05,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139854113] [2024-11-12 04:18:05,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:18:05,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:18:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:18:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:18:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:18:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:18:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:18:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:18:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:18:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:18:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:18:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:18:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:18:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:18:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:18:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:18:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:18:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:18:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:18:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:18:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:18:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:18:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:18:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:18:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:18:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:18:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:18:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:18:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:18:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:18:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 04:18:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:18:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:18:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 04:18:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 04:18:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 04:18:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:18:06,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:18:06,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139854113] [2024-11-12 04:18:06,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139854113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:18:06,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:18:06,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 04:18:06,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170577987] [2024-11-12 04:18:06,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:18:06,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 04:18:06,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:18:06,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 04:18:06,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:18:06,517 INFO L87 Difference]: Start difference. First operand has 97 states, 60 states have (on average 1.4) internal successors, (84), 61 states have internal predecessors, (84), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 04:18:06,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:18:06,560 INFO L93 Difference]: Finished difference Result 187 states and 332 transitions. [2024-11-12 04:18:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 04:18:06,563 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 215 [2024-11-12 04:18:06,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:18:06,572 INFO L225 Difference]: With dead ends: 187 [2024-11-12 04:18:06,573 INFO L226 Difference]: Without dead ends: 93 [2024-11-12 04:18:06,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:18:06,585 INFO L435 NwaCegarLoop]: 145 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, 145 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 [2024-11-12 04:18:06,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:18:06,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-12 04:18:06,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-12 04:18:06,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 57 states have (on average 1.3508771929824561) internal successors, (77), 57 states have internal predecessors, (77), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 04:18:06,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 145 transitions. [2024-11-12 04:18:06,651 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 145 transitions. Word has length 215 [2024-11-12 04:18:06,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:18:06,652 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 145 transitions. [2024-11-12 04:18:06,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 04:18:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2024-11-12 04:18:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-12 04:18:06,660 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:18:06,661 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:18:06,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 04:18:06,661 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:18:06,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:18:06,663 INFO L85 PathProgramCache]: Analyzing trace with hash -994834145, now seen corresponding path program 1 times [2024-11-12 04:18:06,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:18:06,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310371358] [2024-11-12 04:18:06,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:18:06,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:18:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:18:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:18:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:18:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:18:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:06,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:18:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:18:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:18:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:18:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:18:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:18:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:18:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:18:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:18:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:18:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:18:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:18:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:18:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:18:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:18:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:18:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:18:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:18:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:18:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:18:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:18:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:18:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:18:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:18:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 04:18:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:18:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:18:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 04:18:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 04:18:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 04:18:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:18:07,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:18:07,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310371358] [2024-11-12 04:18:07,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310371358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:18:07,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:18:07,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:18:07,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634730686] [2024-11-12 04:18:07,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:18:07,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:18:07,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:18:07,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:18:07,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:18:07,341 INFO L87 Difference]: Start difference. First operand 93 states and 145 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:18:07,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:18:07,444 INFO L93 Difference]: Finished difference Result 264 states and 417 transitions. [2024-11-12 04:18:07,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:18:07,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-11-12 04:18:07,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:18:07,451 INFO L225 Difference]: With dead ends: 264 [2024-11-12 04:18:07,453 INFO L226 Difference]: Without dead ends: 174 [2024-11-12 04:18:07,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:18:07,457 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 70 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:18:07,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 265 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:18:07,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-12 04:18:07,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 165. [2024-11-12 04:18:07,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 94 states have (on average 1.297872340425532) internal successors, (122), 94 states have internal predecessors, (122), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-12 04:18:07,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 258 transitions. [2024-11-12 04:18:07,487 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 258 transitions. Word has length 215 [2024-11-12 04:18:07,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:18:07,490 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 258 transitions. [2024-11-12 04:18:07,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:18:07,490 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 258 transitions. [2024-11-12 04:18:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-12 04:18:07,493 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:18:07,494 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:18:07,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 04:18:07,494 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:18:07,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:18:07,495 INFO L85 PathProgramCache]: Analyzing trace with hash 657432792, now seen corresponding path program 1 times [2024-11-12 04:18:07,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:18:07,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882884182] [2024-11-12 04:18:07,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:18:07,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:18:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:18:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:18:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:18:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:18:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:18:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:18:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:18:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:18:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:18:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:18:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:18:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:18:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:18:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:18:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:18:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:18:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:18:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:18:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:18:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:18:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:18:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:18:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:18:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:18:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:18:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:18:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:18:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:18:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 04:18:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:18:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:18:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 04:18:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 04:18:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 04:18:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:07,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:18:07,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:18:07,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882884182] [2024-11-12 04:18:07,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882884182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:18:07,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:18:07,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:18:07,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790469433] [2024-11-12 04:18:07,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:18:07,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:18:07,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:18:07,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:18:07,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:18:07,936 INFO L87 Difference]: Start difference. First operand 165 states and 258 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:18:08,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:18:08,040 INFO L93 Difference]: Finished difference Result 273 states and 430 transitions. [2024-11-12 04:18:08,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:18:08,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-12 04:18:08,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:18:08,046 INFO L225 Difference]: With dead ends: 273 [2024-11-12 04:18:08,049 INFO L226 Difference]: Without dead ends: 175 [2024-11-12 04:18:08,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:18:08,051 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 70 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:18:08,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 396 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:18:08,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-12 04:18:08,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 166. [2024-11-12 04:18:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 95 states have internal predecessors, (123), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-12 04:18:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 259 transitions. [2024-11-12 04:18:08,110 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 259 transitions. Word has length 216 [2024-11-12 04:18:08,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:18:08,111 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 259 transitions. [2024-11-12 04:18:08,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:18:08,112 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 259 transitions. [2024-11-12 04:18:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-12 04:18:08,117 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:18:08,117 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:18:08,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 04:18:08,118 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:18:08,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:18:08,118 INFO L85 PathProgramCache]: Analyzing trace with hash -160215658, now seen corresponding path program 1 times [2024-11-12 04:18:08,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:18:08,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842115794] [2024-11-12 04:18:08,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:18:08,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:18:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:18:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:18:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:18:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:18:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:18:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:18:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:18:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:18:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:18:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:18:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:18:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:18:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:18:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:18:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:18:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:18:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:18:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:18:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:18:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:18:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:18:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:18:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:18:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:18:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:18:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:18:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:18:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:18:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 04:18:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:18:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:18:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 04:18:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 04:18:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 04:18:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:18:08,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:18:08,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842115794] [2024-11-12 04:18:08,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842115794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:18:08,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:18:08,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:18:08,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960615469] [2024-11-12 04:18:08,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:18:08,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:18:08,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:18:08,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:18:08,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:18:08,542 INFO L87 Difference]: Start difference. First operand 166 states and 259 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:18:08,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:18:08,612 INFO L93 Difference]: Finished difference Result 354 states and 557 transitions. [2024-11-12 04:18:08,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:18:08,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-12 04:18:08,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:18:08,618 INFO L225 Difference]: With dead ends: 354 [2024-11-12 04:18:08,619 INFO L226 Difference]: Without dead ends: 255 [2024-11-12 04:18:08,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:18:08,621 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 84 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:18:08,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 287 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:18:08,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-12 04:18:08,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2024-11-12 04:18:08,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 147 states have (on average 1.3129251700680271) internal successors, (193), 147 states have internal predecessors, (193), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 04:18:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 397 transitions. [2024-11-12 04:18:08,682 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 397 transitions. Word has length 216 [2024-11-12 04:18:08,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:18:08,683 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 397 transitions. [2024-11-12 04:18:08,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:18:08,683 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 397 transitions. [2024-11-12 04:18:08,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-12 04:18:08,685 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:18:08,686 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:18:08,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 04:18:08,686 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:18:08,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:18:08,687 INFO L85 PathProgramCache]: Analyzing trace with hash -880812325, now seen corresponding path program 1 times [2024-11-12 04:18:08,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:18:08,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992660297] [2024-11-12 04:18:08,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:18:08,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:18:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:18:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:18:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:18:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:18:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:18:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:18:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:18:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:18:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:18:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:18:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:18:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:18:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:18:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:18:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:18:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:18:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:18:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:18:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:18:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:18:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:18:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:18:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:18:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:18:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:18:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:18:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:18:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:18:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 04:18:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:18:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:18:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 04:18:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 04:18:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 04:18:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:18:08,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:18:08,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992660297] [2024-11-12 04:18:08,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992660297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:18:08,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:18:08,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:18:08,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888296136] [2024-11-12 04:18:08,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:18:08,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:18:08,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:18:08,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:18:08,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:18:08,996 INFO L87 Difference]: Start difference. First operand 253 states and 397 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:18:09,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:18:09,064 INFO L93 Difference]: Finished difference Result 450 states and 710 transitions. [2024-11-12 04:18:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:18:09,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-12 04:18:09,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:18:09,067 INFO L225 Difference]: With dead ends: 450 [2024-11-12 04:18:09,067 INFO L226 Difference]: Without dead ends: 264 [2024-11-12 04:18:09,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:18:09,069 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 65 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:18:09,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 397 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:18:09,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-12 04:18:09,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 253. [2024-11-12 04:18:09,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 147 states have (on average 1.3061224489795917) internal successors, (192), 147 states have internal predecessors, (192), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 04:18:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 396 transitions. [2024-11-12 04:18:09,105 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 396 transitions. Word has length 218 [2024-11-12 04:18:09,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:18:09,106 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 396 transitions. [2024-11-12 04:18:09,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:18:09,106 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 396 transitions. [2024-11-12 04:18:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-12 04:18:09,108 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:18:09,108 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:18:09,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 04:18:09,110 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:18:09,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:18:09,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1698460775, now seen corresponding path program 1 times [2024-11-12 04:18:09,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:18:09,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104852558] [2024-11-12 04:18:09,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:18:09,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:18:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:18:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:18:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:18:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:18:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:18:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:18:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:18:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:18:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:18:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:18:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:18:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:18:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:18:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:18:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:18:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:18:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:18:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:18:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:18:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:18:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:18:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:18:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:18:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:18:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:18:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:18:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:18:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:18:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 04:18:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:18:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:18:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 04:18:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 04:18:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 04:18:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:18:09,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:18:09,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104852558] [2024-11-12 04:18:09,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104852558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:18:09,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:18:09,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:18:09,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772468190] [2024-11-12 04:18:09,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:18:09,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:18:09,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:18:09,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:18:09,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:18:09,559 INFO L87 Difference]: Start difference. First operand 253 states and 396 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:18:09,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:18:09,608 INFO L93 Difference]: Finished difference Result 443 states and 697 transitions. [2024-11-12 04:18:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:18:09,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-12 04:18:09,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:18:09,612 INFO L225 Difference]: With dead ends: 443 [2024-11-12 04:18:09,612 INFO L226 Difference]: Without dead ends: 259 [2024-11-12 04:18:09,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:18:09,614 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 56 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:18:09,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 276 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:18:09,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-12 04:18:09,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 253. [2024-11-12 04:18:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 147 states have (on average 1.2925170068027212) internal successors, (190), 147 states have internal predecessors, (190), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 04:18:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 394 transitions. [2024-11-12 04:18:09,657 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 394 transitions. Word has length 218 [2024-11-12 04:18:09,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:18:09,659 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 394 transitions. [2024-11-12 04:18:09,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:18:09,661 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 394 transitions. [2024-11-12 04:18:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 04:18:09,664 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:18:09,665 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:18:09,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 04:18:09,665 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:18:09,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:18:09,666 INFO L85 PathProgramCache]: Analyzing trace with hash 2045237675, now seen corresponding path program 1 times [2024-11-12 04:18:09,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:18:09,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445900898] [2024-11-12 04:18:09,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:18:09,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:18:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:18:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:18:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:18:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:18:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:18:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:18:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:18:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:18:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:18:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:18:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:18:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:18:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:18:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:18:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:18:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:18:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:18:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:18:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:18:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:09,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:18:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 04:18:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:18:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:18:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:18:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:18:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:18:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:18:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 04:18:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 04:18:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 04:18:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 04:18:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-12 04:18:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-12 04:18:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 04:18:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:18:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 04:18:10,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:18:10,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445900898] [2024-11-12 04:18:10,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445900898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:18:10,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:18:10,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:18:10,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971128275] [2024-11-12 04:18:10,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:18:10,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:18:10,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:18:10,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:18:10,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:18:10,064 INFO L87 Difference]: Start difference. First operand 253 states and 394 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:18:10,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:18:10,118 INFO L93 Difference]: Finished difference Result 609 states and 958 transitions. [2024-11-12 04:18:10,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:18:10,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-12 04:18:10,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:18:10,123 INFO L225 Difference]: With dead ends: 609 [2024-11-12 04:18:10,124 INFO L226 Difference]: Without dead ends: 431 [2024-11-12 04:18:10,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:18:10,126 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 74 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:18:10,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 278 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:18:10,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-12 04:18:10,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 429. [2024-11-12 04:18:10,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 253 states have (on average 1.3043478260869565) internal successors, (330), 253 states have internal predecessors, (330), 170 states have call successors, (170), 5 states have call predecessors, (170), 5 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2024-11-12 04:18:10,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 670 transitions. [2024-11-12 04:18:10,173 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 670 transitions. Word has length 219 [2024-11-12 04:18:10,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:18:10,174 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 670 transitions. [2024-11-12 04:18:10,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 04:18:10,175 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 670 transitions. [2024-11-12 04:18:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-12 04:18:10,178 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:18:10,178 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 04:18:10,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 04:18:10,178 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:18:10,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:18:10,179 INFO L85 PathProgramCache]: Analyzing trace with hash 920378121, now seen corresponding path program 1 times [2024-11-12 04:18:10,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:18:10,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489919081] [2024-11-12 04:18:10,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:18:10,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:18:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat