./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.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 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 12:21:02,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 12:21:02,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 12:21:02,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 12:21:02,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 12:21:02,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 12:21:02,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 12:21:02,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 12:21:02,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 12:21:02,947 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 12:21:02,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 12:21:02,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 12:21:02,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 12:21:02,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 12:21:02,950 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 12:21:02,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 12:21:02,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 12:21:02,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 12:21:02,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 12:21:02,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 12:21:02,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 12:21:02,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 12:21:02,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 12:21:02,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 12:21:02,954 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 12:21:02,954 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 12:21:02,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 12:21:02,954 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 12:21:02,954 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 12:21:02,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 12:21:02,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 12:21:02,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 12:21:02,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:21:02,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 12:21:02,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 12:21:02,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 12:21:02,955 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 12:21:02,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 12:21:02,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 12:21:02,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 12:21:02,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 12:21:02,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 12:21:02,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e [2024-11-16 12:21:03,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 12:21:03,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 12:21:03,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 12:21:03,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 12:21:03,213 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 12:21:03,214 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2024-11-16 12:21:04,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 12:21:04,679 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 12:21:04,680 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2024-11-16 12:21:04,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb29cd13/8fdff83a44704c95863a6b4efc00c88c/FLAGffe0f6aba [2024-11-16 12:21:04,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cb29cd13/8fdff83a44704c95863a6b4efc00c88c [2024-11-16 12:21:04,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 12:21:04,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 12:21:04,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 12:21:04,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 12:21:04,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 12:21:04,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:21:04" (1/1) ... [2024-11-16 12:21:04,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488220b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:04, skipping insertion in model container [2024-11-16 12:21:04,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:21:04" (1/1) ... [2024-11-16 12:21:04,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 12:21:04,880 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_codestructure_normal_file-81.i[913,926] [2024-11-16 12:21:04,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:21:04,935 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 12:21:04,950 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_codestructure_normal_file-81.i[913,926] [2024-11-16 12:21:04,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:21:05,012 INFO L204 MainTranslator]: Completed translation [2024-11-16 12:21:05,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05 WrapperNode [2024-11-16 12:21:05,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 12:21:05,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 12:21:05,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 12:21:05,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 12:21:05,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (1/1) ... [2024-11-16 12:21:05,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (1/1) ... [2024-11-16 12:21:05,080 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2024-11-16 12:21:05,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 12:21:05,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 12:21:05,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 12:21:05,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 12:21:05,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (1/1) ... [2024-11-16 12:21:05,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (1/1) ... [2024-11-16 12:21:05,103 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (1/1) ... [2024-11-16 12:21:05,129 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 12:21:05,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (1/1) ... [2024-11-16 12:21:05,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (1/1) ... [2024-11-16 12:21:05,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (1/1) ... [2024-11-16 12:21:05,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (1/1) ... [2024-11-16 12:21:05,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (1/1) ... [2024-11-16 12:21:05,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (1/1) ... [2024-11-16 12:21:05,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 12:21:05,161 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 12:21:05,163 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 12:21:05,163 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 12:21:05,164 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (1/1) ... [2024-11-16 12:21:05,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:21:05,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:21:05,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 12:21:05,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 12:21:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 12:21:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 12:21:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 12:21:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 12:21:05,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 12:21:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 12:21:05,293 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 12:21:05,295 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 12:21:05,668 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L135: havoc property_#t~bitwise21#1;havoc property_#t~short22#1; [2024-11-16 12:21:05,691 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-16 12:21:05,691 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 12:21:05,711 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 12:21:05,712 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 12:21:05,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:21:05 BoogieIcfgContainer [2024-11-16 12:21:05,712 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 12:21:05,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 12:21:05,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 12:21:05,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 12:21:05,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:21:04" (1/3) ... [2024-11-16 12:21:05,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da2ac90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:21:05, skipping insertion in model container [2024-11-16 12:21:05,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:05" (2/3) ... [2024-11-16 12:21:05,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6da2ac90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:21:05, skipping insertion in model container [2024-11-16 12:21:05,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:21:05" (3/3) ... [2024-11-16 12:21:05,720 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-81.i [2024-11-16 12:21:05,733 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 12:21:05,734 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 12:21:05,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 12:21:05,797 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;@2e785f3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 12:21:05,797 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 12:21:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 55 states have internal predecessors, (72), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-16 12:21:05,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-16 12:21:05,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:21:05,817 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:21:05,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:21:05,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:21:05,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1428097816, now seen corresponding path program 1 times [2024-11-16 12:21:05,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:21:05,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219736843] [2024-11-16 12:21:05,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:21:05,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:21:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:21:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:21:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:21:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:21:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:21:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:21:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:21:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:21:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:21:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:21:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:21:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:21:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:21:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:21:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:21:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:21:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:21:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:21:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:21:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:21:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:21:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:21:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:21:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:21:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:21:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:21:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:21:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:21:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:21:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:21:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:21:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:21:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:21:06,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:21:06,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219736843] [2024-11-16 12:21:06,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219736843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:21:06,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:21:06,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 12:21:06,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44407597] [2024-11-16 12:21:06,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:21:06,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 12:21:06,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:21:06,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 12:21:06,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:21:06,342 INFO L87 Difference]: Start difference. First operand has 89 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 55 states have internal predecessors, (72), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-16 12:21:06,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:21:06,379 INFO L93 Difference]: Finished difference Result 170 states and 297 transitions. [2024-11-16 12:21:06,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 12:21:06,382 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 198 [2024-11-16 12:21:06,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:21:06,392 INFO L225 Difference]: With dead ends: 170 [2024-11-16 12:21:06,393 INFO L226 Difference]: Without dead ends: 84 [2024-11-16 12:21:06,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:21:06,404 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:21:06,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:21:06,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-16 12:21:06,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-16 12:21:06,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 50 states have (on average 1.28) internal successors, (64), 50 states have internal predecessors, (64), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-16 12:21:06,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 128 transitions. [2024-11-16 12:21:06,451 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 128 transitions. Word has length 198 [2024-11-16 12:21:06,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:21:06,451 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 128 transitions. [2024-11-16 12:21:06,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-16 12:21:06,452 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2024-11-16 12:21:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-16 12:21:06,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:21:06,455 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:21:06,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 12:21:06,456 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:21:06,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:21:06,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1172433688, now seen corresponding path program 1 times [2024-11-16 12:21:06,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:21:06,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394392082] [2024-11-16 12:21:06,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:21:06,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:21:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:21:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:21:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:21:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:21:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:21:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:21:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:06,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:21:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:21:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:21:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:21:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:21:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:21:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:21:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:21:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:21:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:21:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:21:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:21:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:21:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:21:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:21:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:21:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:21:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:21:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:21:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:21:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:21:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:21:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:21:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:21:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:21:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:21:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:21:07,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:21:07,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394392082] [2024-11-16 12:21:07,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394392082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:21:07,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:21:07,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 12:21:07,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608714912] [2024-11-16 12:21:07,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:21:07,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 12:21:07,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:21:07,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 12:21:07,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 12:21:07,176 INFO L87 Difference]: Start difference. First operand 84 states and 128 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:07,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:21:07,422 INFO L93 Difference]: Finished difference Result 247 states and 380 transitions. [2024-11-16 12:21:07,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 12:21:07,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-16 12:21:07,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:21:07,429 INFO L225 Difference]: With dead ends: 247 [2024-11-16 12:21:07,432 INFO L226 Difference]: Without dead ends: 166 [2024-11-16 12:21:07,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 12:21:07,435 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 67 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 12:21:07,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 298 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 12:21:07,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-16 12:21:07,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 163. [2024-11-16 12:21:07,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 96 states have internal predecessors, (124), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-16 12:21:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 252 transitions. [2024-11-16 12:21:07,489 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 252 transitions. Word has length 198 [2024-11-16 12:21:07,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:21:07,490 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 252 transitions. [2024-11-16 12:21:07,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:07,490 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 252 transitions. [2024-11-16 12:21:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-16 12:21:07,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:21:07,493 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:21:07,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 12:21:07,493 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:21:07,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:21:07,494 INFO L85 PathProgramCache]: Analyzing trace with hash -661899511, now seen corresponding path program 1 times [2024-11-16 12:21:07,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:21:07,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892905209] [2024-11-16 12:21:07,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:21:07,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:21:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:21:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:21:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:21:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:21:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:21:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:21:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:21:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:21:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:21:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:21:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:21:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:21:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:21:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:21:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:21:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:21:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:21:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:21:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:21:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:21:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:21:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:21:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:21:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:21:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:21:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:21:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:21:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:21:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:21:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:21:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:21:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:21:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:17,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:21:17,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:21:17,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892905209] [2024-11-16 12:21:17,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892905209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:21:17,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:21:17,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 12:21:17,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026833081] [2024-11-16 12:21:17,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:21:17,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 12:21:17,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:21:17,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 12:21:17,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:21:17,403 INFO L87 Difference]: Start difference. First operand 163 states and 252 transitions. Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:17,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:21:17,982 INFO L93 Difference]: Finished difference Result 346 states and 515 transitions. [2024-11-16 12:21:17,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 12:21:17,983 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-16 12:21:17,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:21:17,987 INFO L225 Difference]: With dead ends: 346 [2024-11-16 12:21:17,987 INFO L226 Difference]: Without dead ends: 265 [2024-11-16 12:21:17,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:21:17,989 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 219 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 12:21:17,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 613 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 12:21:17,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-16 12:21:18,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 175. [2024-11-16 12:21:18,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 108 states have (on average 1.3333333333333333) internal successors, (144), 108 states have internal predecessors, (144), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-16 12:21:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 272 transitions. [2024-11-16 12:21:18,025 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 272 transitions. Word has length 198 [2024-11-16 12:21:18,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:21:18,026 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 272 transitions. [2024-11-16 12:21:18,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:18,026 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 272 transitions. [2024-11-16 12:21:18,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-16 12:21:18,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:21:18,028 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:21:18,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 12:21:18,028 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:21:18,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:21:18,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1167458136, now seen corresponding path program 1 times [2024-11-16 12:21:18,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:21:18,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157938747] [2024-11-16 12:21:18,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:21:18,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:21:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:21:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:21:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:21:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:21:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:21:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:21:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:21:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:21:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:21:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:21:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:21:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:21:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:21:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:21:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:21:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:21:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:21:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:21:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:21:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:21:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:21:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:21:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:21:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:21:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:21:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:21:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:21:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:21:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:21:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:21:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:21:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:21:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:21:25,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:21:25,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157938747] [2024-11-16 12:21:25,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157938747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:21:25,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:21:25,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 12:21:25,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329750035] [2024-11-16 12:21:25,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:21:25,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 12:21:25,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:21:25,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 12:21:25,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:21:25,468 INFO L87 Difference]: Start difference. First operand 175 states and 272 transitions. Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:25,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:21:25,987 INFO L93 Difference]: Finished difference Result 341 states and 513 transitions. [2024-11-16 12:21:25,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 12:21:25,988 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 198 [2024-11-16 12:21:25,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:21:25,990 INFO L225 Difference]: With dead ends: 341 [2024-11-16 12:21:25,990 INFO L226 Difference]: Without dead ends: 248 [2024-11-16 12:21:25,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:21:25,992 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 163 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 12:21:25,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 563 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 12:21:25,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-16 12:21:26,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 174. [2024-11-16 12:21:26,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 107 states have internal predecessors, (142), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-16 12:21:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 270 transitions. [2024-11-16 12:21:26,018 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 270 transitions. Word has length 198 [2024-11-16 12:21:26,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:21:26,019 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 270 transitions. [2024-11-16 12:21:26,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:26,019 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 270 transitions. [2024-11-16 12:21:26,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 12:21:26,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:21:26,021 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:21:26,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 12:21:26,021 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:21:26,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:21:26,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2015224664, now seen corresponding path program 1 times [2024-11-16 12:21:26,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:21:26,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855312164] [2024-11-16 12:21:26,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:21:26,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:21:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:21:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:21:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:21:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:21:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:21:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:21:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:21:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:21:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:21:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:21:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:21:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:21:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:21:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:21:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:21:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:21:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:21:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:21:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:21:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:21:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:21:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:21:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:21:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:21:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:21:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:21:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:21:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:21:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:21:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:21:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:21:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:21:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:29,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:21:29,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:21:29,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855312164] [2024-11-16 12:21:29,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855312164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:21:29,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:21:29,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 12:21:29,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095089964] [2024-11-16 12:21:29,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:21:29,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 12:21:29,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:21:29,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 12:21:29,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:21:29,581 INFO L87 Difference]: Start difference. First operand 174 states and 270 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:30,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:21:30,285 INFO L93 Difference]: Finished difference Result 514 states and 771 transitions. [2024-11-16 12:21:30,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:21:30,286 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-16 12:21:30,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:21:30,289 INFO L225 Difference]: With dead ends: 514 [2024-11-16 12:21:30,289 INFO L226 Difference]: Without dead ends: 343 [2024-11-16 12:21:30,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:21:30,291 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 133 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:21:30,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 660 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:21:30,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-16 12:21:30,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 213. [2024-11-16 12:21:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 146 states have (on average 1.3630136986301369) internal successors, (199), 146 states have internal predecessors, (199), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-16 12:21:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 327 transitions. [2024-11-16 12:21:30,305 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 327 transitions. Word has length 199 [2024-11-16 12:21:30,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:21:30,306 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 327 transitions. [2024-11-16 12:21:30,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:30,306 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 327 transitions. [2024-11-16 12:21:30,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 12:21:30,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:21:30,308 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:21:30,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 12:21:30,308 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:21:30,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:21:30,309 INFO L85 PathProgramCache]: Analyzing trace with hash 2144307383, now seen corresponding path program 1 times [2024-11-16 12:21:30,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:21:30,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5809672] [2024-11-16 12:21:30,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:21:30,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:21:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:21:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:21:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:21:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:21:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:21:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:21:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:21:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:21:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:21:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:21:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:21:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:21:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:21:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:21:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:21:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:21:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:21:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:21:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:21:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:21:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:21:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:21:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:21:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:21:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:21:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:21:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:21:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:21:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:21:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:21:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:21:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:21:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:21:33,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:21:33,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5809672] [2024-11-16 12:21:33,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5809672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:21:33,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:21:33,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 12:21:33,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260261816] [2024-11-16 12:21:33,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:21:33,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 12:21:33,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:21:33,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 12:21:33,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:21:33,228 INFO L87 Difference]: Start difference. First operand 213 states and 327 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:33,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:21:33,713 INFO L93 Difference]: Finished difference Result 553 states and 816 transitions. [2024-11-16 12:21:33,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:21:33,714 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-16 12:21:33,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:21:33,716 INFO L225 Difference]: With dead ends: 553 [2024-11-16 12:21:33,716 INFO L226 Difference]: Without dead ends: 343 [2024-11-16 12:21:33,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:21:33,719 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 173 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 12:21:33,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 688 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 12:21:33,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-16 12:21:33,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 213. [2024-11-16 12:21:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 146 states have (on average 1.3630136986301369) internal successors, (199), 146 states have internal predecessors, (199), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-16 12:21:33,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 327 transitions. [2024-11-16 12:21:33,742 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 327 transitions. Word has length 199 [2024-11-16 12:21:33,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:21:33,745 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 327 transitions. [2024-11-16 12:21:33,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:33,745 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 327 transitions. [2024-11-16 12:21:33,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 12:21:33,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:21:33,747 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:21:33,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 12:21:33,747 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:21:33,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:21:33,748 INFO L85 PathProgramCache]: Analyzing trace with hash -772190823, now seen corresponding path program 1 times [2024-11-16 12:21:33,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:21:33,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668855332] [2024-11-16 12:21:33,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:21:33,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:21:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:21:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:21:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:21:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:21:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:21:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:21:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:21:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:21:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:21:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:21:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:21:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:21:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:21:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:21:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:21:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:21:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:21:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:21:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:21:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:21:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:21:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:21:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:21:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:21:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:21:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:21:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:21:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:21:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:21:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:21:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:21:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:21:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:21:36,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:21:36,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668855332] [2024-11-16 12:21:36,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668855332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:21:36,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:21:36,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 12:21:36,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170399492] [2024-11-16 12:21:36,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:21:36,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 12:21:36,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:21:36,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 12:21:36,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:21:36,421 INFO L87 Difference]: Start difference. First operand 213 states and 327 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:37,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:21:37,058 INFO L93 Difference]: Finished difference Result 553 states and 816 transitions. [2024-11-16 12:21:37,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:21:37,059 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-16 12:21:37,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:21:37,061 INFO L225 Difference]: With dead ends: 553 [2024-11-16 12:21:37,061 INFO L226 Difference]: Without dead ends: 343 [2024-11-16 12:21:37,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:21:37,064 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 154 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:21:37,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 755 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:21:37,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-16 12:21:37,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 213. [2024-11-16 12:21:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 146 states have (on average 1.3630136986301369) internal successors, (199), 146 states have internal predecessors, (199), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-16 12:21:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 327 transitions. [2024-11-16 12:21:37,084 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 327 transitions. Word has length 199 [2024-11-16 12:21:37,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:21:37,085 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 327 transitions. [2024-11-16 12:21:37,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 327 transitions. [2024-11-16 12:21:37,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 12:21:37,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:21:37,087 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:21:37,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 12:21:37,088 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:21:37,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:21:37,088 INFO L85 PathProgramCache]: Analyzing trace with hash -643108104, now seen corresponding path program 1 times [2024-11-16 12:21:37,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:21:37,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307474959] [2024-11-16 12:21:37,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:21:37,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:21:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:21:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:21:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:21:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:21:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:21:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:21:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:21:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:21:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:21:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:21:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:21:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:21:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:21:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:21:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:21:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:21:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:21:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:21:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:21:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:21:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:21:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:21:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:21:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:21:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:21:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:21:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:21:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:21:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:21:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:21:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:21:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:21:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:21:39,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:21:39,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307474959] [2024-11-16 12:21:39,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307474959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:21:39,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:21:39,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 12:21:39,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767114422] [2024-11-16 12:21:39,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:21:39,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 12:21:39,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:21:39,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 12:21:39,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:21:39,448 INFO L87 Difference]: Start difference. First operand 213 states and 327 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:39,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:21:39,958 INFO L93 Difference]: Finished difference Result 553 states and 814 transitions. [2024-11-16 12:21:39,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:21:39,959 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-16 12:21:39,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:21:39,962 INFO L225 Difference]: With dead ends: 553 [2024-11-16 12:21:39,963 INFO L226 Difference]: Without dead ends: 343 [2024-11-16 12:21:39,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:21:39,966 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 172 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 12:21:39,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 910 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 12:21:39,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-16 12:21:39,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 196. [2024-11-16 12:21:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 129 states have (on average 1.3488372093023255) internal successors, (174), 129 states have internal predecessors, (174), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-16 12:21:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 302 transitions. [2024-11-16 12:21:39,981 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 302 transitions. Word has length 199 [2024-11-16 12:21:39,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:21:39,981 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 302 transitions. [2024-11-16 12:21:39,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:39,982 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 302 transitions. [2024-11-16 12:21:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 12:21:39,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:21:39,984 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:21:39,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 12:21:39,984 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:21:39,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:21:39,985 INFO L85 PathProgramCache]: Analyzing trace with hash 661914967, now seen corresponding path program 1 times [2024-11-16 12:21:39,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:21:39,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799985564] [2024-11-16 12:21:39,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:21:39,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:21:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:21:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:21:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:21:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:21:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:21:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:21:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:21:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:21:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:21:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:21:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:21:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:21:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:21:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:21:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:21:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:21:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:21:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:21:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:21:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:21:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:21:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:21:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:21:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:21:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:21:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:21:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:21:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:21:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:21:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:21:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:21:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:21:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:21:49,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:21:49,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799985564] [2024-11-16 12:21:49,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799985564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:21:49,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:21:49,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 12:21:49,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291956032] [2024-11-16 12:21:49,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:21:49,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 12:21:49,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:21:49,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 12:21:49,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-16 12:21:49,209 INFO L87 Difference]: Start difference. First operand 196 states and 302 transitions. Second operand has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:50,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:21:50,523 INFO L93 Difference]: Finished difference Result 420 states and 620 transitions. [2024-11-16 12:21:50,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 12:21:50,524 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-16 12:21:50,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:21:50,527 INFO L225 Difference]: With dead ends: 420 [2024-11-16 12:21:50,527 INFO L226 Difference]: Without dead ends: 319 [2024-11-16 12:21:50,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-16 12:21:50,529 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 239 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 12:21:50,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 843 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 12:21:50,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-16 12:21:50,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 205. [2024-11-16 12:21:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 138 states have (on average 1.355072463768116) internal successors, (187), 138 states have internal predecessors, (187), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-16 12:21:50,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 315 transitions. [2024-11-16 12:21:50,545 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 315 transitions. Word has length 199 [2024-11-16 12:21:50,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:21:50,547 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 315 transitions. [2024-11-16 12:21:50,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:50,547 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 315 transitions. [2024-11-16 12:21:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 12:21:50,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:21:50,549 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:21:50,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 12:21:50,549 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:21:50,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:21:50,549 INFO L85 PathProgramCache]: Analyzing trace with hash 2129822550, now seen corresponding path program 1 times [2024-11-16 12:21:50,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:21:50,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735739375] [2024-11-16 12:21:50,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:21:50,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:21:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:21:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:21:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:21:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:21:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:21:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:21:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:21:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:21:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:21:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:21:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:21:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:21:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:21:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:21:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:21:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:21:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:21:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:21:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:21:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:21:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:21:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:21:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:21:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:21:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:21:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:21:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:21:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:21:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:21:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:21:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:21:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:21:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:21:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:21:55,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:21:55,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735739375] [2024-11-16 12:21:55,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735739375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:21:55,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:21:55,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 12:21:55,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600325652] [2024-11-16 12:21:55,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:21:55,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 12:21:55,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:21:55,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 12:21:55,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-16 12:21:55,942 INFO L87 Difference]: Start difference. First operand 205 states and 315 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:56,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:21:56,495 INFO L93 Difference]: Finished difference Result 387 states and 577 transitions. [2024-11-16 12:21:56,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:21:56,496 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-16 12:21:56,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:21:56,498 INFO L225 Difference]: With dead ends: 387 [2024-11-16 12:21:56,498 INFO L226 Difference]: Without dead ends: 277 [2024-11-16 12:21:56,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:21:56,499 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 91 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 12:21:56,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 598 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 12:21:56,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-16 12:21:56,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 200. [2024-11-16 12:21:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 133 states have (on average 1.3458646616541354) internal successors, (179), 133 states have internal predecessors, (179), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-16 12:21:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 307 transitions. [2024-11-16 12:21:56,512 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 307 transitions. Word has length 199 [2024-11-16 12:21:56,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:21:56,512 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 307 transitions. [2024-11-16 12:21:56,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:21:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 307 transitions. [2024-11-16 12:21:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 12:21:56,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:21:56,513 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:21:56,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 12:21:56,514 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:21:56,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:21:56,514 INFO L85 PathProgramCache]: Analyzing trace with hash -2125500520, now seen corresponding path program 1 times [2024-11-16 12:21:56,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:21:56,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638053848] [2024-11-16 12:21:56,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:21:56,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:21:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:22:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:22:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:22:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:22:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:22:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:22:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:22:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:22:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:22:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:22:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:22:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:22:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:22:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:22:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:22:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:22:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:22:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:22:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:22:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:22:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:22:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:22:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:22:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:22:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:22:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:22:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:22:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:22:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:22:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:22:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:22:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:22:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:01,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:22:01,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:22:01,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638053848] [2024-11-16 12:22:01,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638053848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:22:01,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:22:01,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 12:22:01,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434856733] [2024-11-16 12:22:01,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:22:01,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 12:22:01,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:22:01,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 12:22:01,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-16 12:22:01,956 INFO L87 Difference]: Start difference. First operand 200 states and 307 transitions. Second operand has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:22:02,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:22:02,780 INFO L93 Difference]: Finished difference Result 441 states and 645 transitions. [2024-11-16 12:22:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 12:22:02,783 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-16 12:22:02,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:22:02,785 INFO L225 Difference]: With dead ends: 441 [2024-11-16 12:22:02,785 INFO L226 Difference]: Without dead ends: 336 [2024-11-16 12:22:02,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-16 12:22:02,785 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 211 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 12:22:02,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 859 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 12:22:02,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-16 12:22:02,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 206. [2024-11-16 12:22:02,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 139 states have (on average 1.3597122302158273) internal successors, (189), 139 states have internal predecessors, (189), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-16 12:22:02,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 317 transitions. [2024-11-16 12:22:02,800 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 317 transitions. Word has length 199 [2024-11-16 12:22:02,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:22:02,801 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 317 transitions. [2024-11-16 12:22:02,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.230769230769231) internal successors, (42), 13 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:22:02,801 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 317 transitions. [2024-11-16 12:22:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 12:22:02,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:22:02,803 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:22:02,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 12:22:02,804 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:22:02,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:22:02,804 INFO L85 PathProgramCache]: Analyzing trace with hash -657592937, now seen corresponding path program 1 times [2024-11-16 12:22:02,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:22:02,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902606595] [2024-11-16 12:22:02,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:22:02,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:22:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:22:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:22:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:22:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:22:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:22:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:22:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:22:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:22:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:22:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:22:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:22:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:22:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:22:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:22:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:22:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:22:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:22:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:22:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:22:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:22:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:22:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:22:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:22:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:22:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:22:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:22:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:22:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:22:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:22:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:22:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:22:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:22:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:22:08,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:22:08,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902606595] [2024-11-16 12:22:08,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902606595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:22:08,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:22:08,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 12:22:08,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660351575] [2024-11-16 12:22:08,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:22:08,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 12:22:08,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:22:08,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 12:22:08,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-16 12:22:08,154 INFO L87 Difference]: Start difference. First operand 206 states and 317 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:22:08,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:22:08,688 INFO L93 Difference]: Finished difference Result 365 states and 551 transitions. [2024-11-16 12:22:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 12:22:08,691 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-16 12:22:08,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:22:08,693 INFO L225 Difference]: With dead ends: 365 [2024-11-16 12:22:08,693 INFO L226 Difference]: Without dead ends: 254 [2024-11-16 12:22:08,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:22:08,694 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 83 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 12:22:08,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 397 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 12:22:08,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-16 12:22:08,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 200. [2024-11-16 12:22:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 133 states have (on average 1.3458646616541354) internal successors, (179), 133 states have internal predecessors, (179), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-16 12:22:08,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 307 transitions. [2024-11-16 12:22:08,709 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 307 transitions. Word has length 199 [2024-11-16 12:22:08,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:22:08,710 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 307 transitions. [2024-11-16 12:22:08,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:22:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 307 transitions. [2024-11-16 12:22:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 12:22:08,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:22:08,711 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:22:08,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 12:22:08,711 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:22:08,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:22:08,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1781240297, now seen corresponding path program 1 times [2024-11-16 12:22:08,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:22:08,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212402154] [2024-11-16 12:22:08,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:22:08,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:22:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:22:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:22:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:22:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:22:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:22:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:22:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:22:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:22:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:22:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:22:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:22:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:22:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:22:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:22:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:22:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:22:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:22:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:22:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:22:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:22:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:22:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:22:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:22:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:22:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:22:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:22:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:22:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:22:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:22:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:22:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:22:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:22:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:22:08,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:22:08,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212402154] [2024-11-16 12:22:08,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212402154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:22:08,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:22:08,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 12:22:08,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751732333] [2024-11-16 12:22:08,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:22:08,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 12:22:08,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:22:08,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 12:22:08,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 12:22:08,783 INFO L87 Difference]: Start difference. First operand 200 states and 307 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:22:08,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:22:08,824 INFO L93 Difference]: Finished difference Result 485 states and 738 transitions. [2024-11-16 12:22:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 12:22:08,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-16 12:22:08,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:22:08,827 INFO L225 Difference]: With dead ends: 485 [2024-11-16 12:22:08,827 INFO L226 Difference]: Without dead ends: 288 [2024-11-16 12:22:08,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 12:22:08,828 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 60 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:22:08,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 254 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:22:08,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-16 12:22:08,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 283. [2024-11-16 12:22:08,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 194 states have (on average 1.3298969072164948) internal successors, (258), 196 states have internal predecessors, (258), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-16 12:22:08,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 426 transitions. [2024-11-16 12:22:08,849 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 426 transitions. Word has length 199 [2024-11-16 12:22:08,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:22:08,849 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 426 transitions. [2024-11-16 12:22:08,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:22:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 426 transitions. [2024-11-16 12:22:08,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 12:22:08,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:22:08,850 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:22:08,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 12:22:08,851 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:22:08,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:22:08,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2074643304, now seen corresponding path program 1 times [2024-11-16 12:22:08,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:22:08,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711392427] [2024-11-16 12:22:08,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:22:08,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:22:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:22:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:22:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:22:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:22:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:22:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:22:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:22:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:22:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:22:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:22:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:22:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:22:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:22:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:22:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:22:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:22:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:22:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:22:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:22:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:22:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:22:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:22:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:22:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:22:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:22:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:22:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:22:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:22:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:22:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:22:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:22:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:22:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:22:13,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:22:13,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711392427] [2024-11-16 12:22:13,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711392427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:22:13,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:22:13,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 12:22:13,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370639194] [2024-11-16 12:22:13,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:22:13,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 12:22:13,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:22:13,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 12:22:13,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:22:13,297 INFO L87 Difference]: Start difference. First operand 283 states and 426 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:22:13,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:22:13,887 INFO L93 Difference]: Finished difference Result 530 states and 775 transitions. [2024-11-16 12:22:13,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 12:22:13,888 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-16 12:22:13,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:22:13,891 INFO L225 Difference]: With dead ends: 530 [2024-11-16 12:22:13,891 INFO L226 Difference]: Without dead ends: 384 [2024-11-16 12:22:13,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:22:13,892 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 152 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:22:13,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 554 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:22:13,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-16 12:22:13,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 292. [2024-11-16 12:22:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 203 states have (on average 1.3349753694581281) internal successors, (271), 205 states have internal predecessors, (271), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-16 12:22:13,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 439 transitions. [2024-11-16 12:22:13,913 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 439 transitions. Word has length 199 [2024-11-16 12:22:13,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:22:13,913 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 439 transitions. [2024-11-16 12:22:13,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:22:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 439 transitions. [2024-11-16 12:22:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 12:22:13,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:22:13,914 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:22:13,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 12:22:13,914 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:22:13,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:22:13,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1714765367, now seen corresponding path program 1 times [2024-11-16 12:22:13,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:22:13,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499434369] [2024-11-16 12:22:13,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:22:13,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:22:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:22:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:22:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:22:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:22:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:22:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:22:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:22:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:22:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:22:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:22:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:22:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:22:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:22:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:22:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:22:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:22:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:22:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:22:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:22:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:22:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:22:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:22:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:22:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:22:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:22:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:22:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:22:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:22:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:22:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:22:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:22:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:22:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:18,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:22:18,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:22:18,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499434369] [2024-11-16 12:22:18,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499434369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:22:18,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:22:18,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 12:22:18,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989617088] [2024-11-16 12:22:18,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:22:18,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 12:22:18,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:22:18,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 12:22:18,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-16 12:22:18,277 INFO L87 Difference]: Start difference. First operand 292 states and 439 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:22:18,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:22:18,907 INFO L93 Difference]: Finished difference Result 522 states and 767 transitions. [2024-11-16 12:22:18,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 12:22:18,907 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 199 [2024-11-16 12:22:18,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:22:18,910 INFO L225 Difference]: With dead ends: 522 [2024-11-16 12:22:18,910 INFO L226 Difference]: Without dead ends: 367 [2024-11-16 12:22:18,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-11-16 12:22:18,911 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 111 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 12:22:18,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 663 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 12:22:18,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-16 12:22:18,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 292. [2024-11-16 12:22:18,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 203 states have (on average 1.3349753694581281) internal successors, (271), 205 states have internal predecessors, (271), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-16 12:22:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 439 transitions. [2024-11-16 12:22:18,931 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 439 transitions. Word has length 199 [2024-11-16 12:22:18,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:22:18,931 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 439 transitions. [2024-11-16 12:22:18,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:22:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 439 transitions. [2024-11-16 12:22:18,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-16 12:22:18,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:22:18,932 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:22:18,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 12:22:18,933 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:22:18,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:22:18,933 INFO L85 PathProgramCache]: Analyzing trace with hash -164449207, now seen corresponding path program 1 times [2024-11-16 12:22:18,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:22:18,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032132512] [2024-11-16 12:22:18,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:22:18,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:22:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:22:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:22:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:22:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:22:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:22:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:22:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:22:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:22:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:22:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:22:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:22:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:22:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:22:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:22:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:22:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:22:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:22:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:22:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:22:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:22:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:22:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:22:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:22:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:22:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:22:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:22:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:22:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:22:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:22:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:22:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:22:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:22:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:22:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-16 12:22:21,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:22:21,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032132512] [2024-11-16 12:22:21,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032132512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:22:21,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:22:21,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 12:22:21,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061883490] [2024-11-16 12:22:21,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:22:21,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 12:22:21,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:22:21,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 12:22:21,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-16 12:22:21,512 INFO L87 Difference]: Start difference. First operand 292 states and 439 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:22:23,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:22:23,981 INFO L93 Difference]: Finished difference Result 916 states and 1309 transitions. [2024-11-16 12:22:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 12:22:23,986 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 200 [2024-11-16 12:22:23,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:22:23,991 INFO L225 Difference]: With dead ends: 916 [2024-11-16 12:22:23,991 INFO L226 Difference]: Without dead ends: 627 [2024-11-16 12:22:23,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2024-11-16 12:22:23,993 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 461 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 12:22:23,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 914 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 12:22:23,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-16 12:22:24,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 305. [2024-11-16 12:22:24,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 216 states have (on average 1.3518518518518519) internal successors, (292), 218 states have internal predecessors, (292), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-16 12:22:24,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 460 transitions. [2024-11-16 12:22:24,023 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 460 transitions. Word has length 200 [2024-11-16 12:22:24,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:22:24,023 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 460 transitions. [2024-11-16 12:22:24,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-16 12:22:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 460 transitions. [2024-11-16 12:22:24,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-16 12:22:24,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:22:24,024 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:22:24,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 12:22:24,025 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:22:24,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:22:24,025 INFO L85 PathProgramCache]: Analyzing trace with hash -35366488, now seen corresponding path program 1 times [2024-11-16 12:22:24,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:22:24,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208196976] [2024-11-16 12:22:24,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:22:24,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:22:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat