./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_operatoramount_amount250_file-45.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 b05815fd5cec927760044a6cdc6a3ae40876f51be4ef175e85dd936d2cf2ad8e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:24:09,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:24:09,885 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 08:24:09,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:24:09,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:24:09,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:24:09,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:24:09,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:24:09,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:24:09,926 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:24:09,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:24:09,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:24:09,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:24:09,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:24:09,934 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:24:09,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:24:09,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:24:09,935 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:24:09,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 08:24:09,935 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:24:09,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:24:09,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:24:09,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:24:09,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:24:09,937 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:24:09,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:24:09,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:24:09,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:24:09,938 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:24:09,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:24:09,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:24:09,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:24:09,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:24:09,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:24:09,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:24:09,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:24:09,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 08:24:09,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 08:24:09,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:24:09,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:24:09,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:24:09,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:24:09,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b05815fd5cec927760044a6cdc6a3ae40876f51be4ef175e85dd936d2cf2ad8e [2024-11-10 08:24:10,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:24:10,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:24:10,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:24:10,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:24:10,245 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:24:10,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-45.i [2024-11-10 08:24:11,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:24:12,003 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:24:12,004 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-45.i [2024-11-10 08:24:12,018 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1a74ab5/9785f64cfcfe47958b1edc9c9a8f8555/FLAGec5407bd5 [2024-11-10 08:24:12,030 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e1a74ab5/9785f64cfcfe47958b1edc9c9a8f8555 [2024-11-10 08:24:12,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:24:12,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:24:12,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:24:12,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:24:12,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:24:12,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47500c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12, skipping insertion in model container [2024-11-10 08:24:12,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:24:12,268 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_operatoramount_amount250_file-45.i[916,929] [2024-11-10 08:24:12,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:24:12,457 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:24:12,468 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_operatoramount_amount250_file-45.i[916,929] [2024-11-10 08:24:12,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:24:12,587 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:24:12,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12 WrapperNode [2024-11-10 08:24:12,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:24:12,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:24:12,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:24:12,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:24:12,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,690 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 452 [2024-11-10 08:24:12,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:24:12,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:24:12,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:24:12,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:24:12,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,717 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,759 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]. [2024-11-10 08:24:12,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,787 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:24:12,810 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:24:12,811 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:24:12,811 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:24:12,811 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (1/1) ... [2024-11-10 08:24:12,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:24:12,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:24:12,849 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) [2024-11-10 08:24:12,852 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 [2024-11-10 08:24:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:24:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:24:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:24:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 08:24:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:24:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:24:13,036 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:24:13,038 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:24:13,790 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L352: havoc property_#t~ite32#1;havoc property_#t~bitwise31#1;havoc property_#t~ite34#1;havoc property_#t~bitwise33#1;havoc property_#t~short35#1;havoc property_#t~bitwise36#1;havoc property_#t~short37#1;havoc property_#t~bitwise38#1;havoc property_#t~short39#1;havoc property_#t~ite41#1;havoc property_#t~bitwise40#1;havoc property_#t~short42#1; [2024-11-10 08:24:13,872 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-10 08:24:13,873 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:24:13,910 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:24:13,911 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-10 08:24:13,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:24:13 BoogieIcfgContainer [2024-11-10 08:24:13,912 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:24:13,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:24:13,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:24:13,919 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:24:13,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:24:12" (1/3) ... [2024-11-10 08:24:13,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cfc92a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:24:13, skipping insertion in model container [2024-11-10 08:24:13,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:24:12" (2/3) ... [2024-11-10 08:24:13,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cfc92a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:24:13, skipping insertion in model container [2024-11-10 08:24:13,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:24:13" (3/3) ... [2024-11-10 08:24:13,924 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-45.i [2024-11-10 08:24:13,941 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:24:13,942 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:24:14,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:24:14,033 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;@52d4fbf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:24:14,034 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:24:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 142 states have (on average 1.5) internal successors, (213), 143 states have internal predecessors, (213), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 08:24:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 08:24:14,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:14,063 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:14,064 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:14,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:14,070 INFO L85 PathProgramCache]: Analyzing trace with hash -536843269, now seen corresponding path program 1 times [2024-11-10 08:24:14,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:14,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807882706] [2024-11-10 08:24:14,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:14,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:24:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:24:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:24:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:24:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:24:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:24:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:24:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:24:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:24:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:24:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:24:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:24:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:24:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:24:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:24:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:24:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:24:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:24:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:24:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:24:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:24:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:24:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:24:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:24:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:24:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:24:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:24:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:24:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:24:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:24:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 08:24:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:24:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 08:24:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:24:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:24:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:24:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:24:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:24:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:14,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 08:24:14,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:24:14,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807882706] [2024-11-10 08:24:14,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807882706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:24:14,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:24:14,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:24:14,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598884298] [2024-11-10 08:24:14,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:24:14,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:24:14,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:24:14,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:24:14,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:24:14,815 INFO L87 Difference]: Start difference. First operand has 183 states, 142 states have (on average 1.5) internal successors, (213), 143 states have internal predecessors, (213), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-10 08:24:14,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:24:14,886 INFO L93 Difference]: Finished difference Result 357 states and 607 transitions. [2024-11-10 08:24:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:24:14,889 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 272 [2024-11-10 08:24:14,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:24:14,902 INFO L225 Difference]: With dead ends: 357 [2024-11-10 08:24:14,902 INFO L226 Difference]: Without dead ends: 177 [2024-11-10 08:24:14,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:24:14,915 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:24:14,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 268 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:24:14,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-10 08:24:15,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-10 08:24:15,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 137 states have (on average 1.4744525547445255) internal successors, (202), 137 states have internal predecessors, (202), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 08:24:15,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 278 transitions. [2024-11-10 08:24:15,060 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 278 transitions. Word has length 272 [2024-11-10 08:24:15,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:24:15,065 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 278 transitions. [2024-11-10 08:24:15,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-10 08:24:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 278 transitions. [2024-11-10 08:24:15,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 08:24:15,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:15,114 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:15,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 08:24:15,118 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:15,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:15,119 INFO L85 PathProgramCache]: Analyzing trace with hash -349882695, now seen corresponding path program 1 times [2024-11-10 08:24:15,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:15,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109919157] [2024-11-10 08:24:15,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:15,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:24:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:24:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:24:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:24:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:24:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:24:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:24:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:24:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:24:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:24:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:24:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:24:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:24:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:24:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:24:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:24:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:24:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:24:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:24:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:24:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:24:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:24:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:24:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:24:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:24:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:24:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:24:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:24:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:24:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:24:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 08:24:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:24:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 08:24:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:24:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:24:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:24:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:24:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:24:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 08:24:15,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:24:15,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109919157] [2024-11-10 08:24:15,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109919157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:24:15,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:24:15,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:24:15,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559519889] [2024-11-10 08:24:15,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:24:15,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:24:15,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:24:15,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:24:15,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:24:15,625 INFO L87 Difference]: Start difference. First operand 177 states and 278 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:15,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:24:15,790 INFO L93 Difference]: Finished difference Result 515 states and 810 transitions. [2024-11-10 08:24:15,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:24:15,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 272 [2024-11-10 08:24:15,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:24:15,796 INFO L225 Difference]: With dead ends: 515 [2024-11-10 08:24:15,799 INFO L226 Difference]: Without dead ends: 341 [2024-11-10 08:24:15,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:24:15,802 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 252 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:24:15,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 695 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:24:15,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-10 08:24:15,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 206. [2024-11-10 08:24:15,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 166 states have (on average 1.4939759036144578) internal successors, (248), 166 states have internal predecessors, (248), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 08:24:15,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 324 transitions. [2024-11-10 08:24:15,845 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 324 transitions. Word has length 272 [2024-11-10 08:24:15,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:24:15,847 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 324 transitions. [2024-11-10 08:24:15,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:15,849 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 324 transitions. [2024-11-10 08:24:15,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 08:24:15,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:15,854 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:15,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 08:24:15,855 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:15,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:15,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1282921304, now seen corresponding path program 1 times [2024-11-10 08:24:15,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:15,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287239430] [2024-11-10 08:24:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:15,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:24:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:24:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:24:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:24:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:24:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:24:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:24:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:24:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:24:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:24:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:24:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:24:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:24:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:24:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:24:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:24:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:24:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:24:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:24:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:24:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:24:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:24:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:24:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:24:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:24:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:24:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:24:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:24:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:24:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:24:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 08:24:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:24:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 08:24:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:24:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:24:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:24:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:24:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:24:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 08:24:16,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:24:16,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287239430] [2024-11-10 08:24:16,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287239430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:24:16,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:24:16,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:24:16,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742539121] [2024-11-10 08:24:16,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:24:16,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:24:16,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:24:16,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:24:16,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:24:16,218 INFO L87 Difference]: Start difference. First operand 206 states and 324 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:16,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:24:16,349 INFO L93 Difference]: Finished difference Result 590 states and 929 transitions. [2024-11-10 08:24:16,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:24:16,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 272 [2024-11-10 08:24:16,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:24:16,354 INFO L225 Difference]: With dead ends: 590 [2024-11-10 08:24:16,358 INFO L226 Difference]: Without dead ends: 387 [2024-11-10 08:24:16,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:24:16,361 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 230 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:24:16,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 546 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:24:16,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-10 08:24:16,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 279. [2024-11-10 08:24:16,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 239 states have (on average 1.5188284518828452) internal successors, (363), 239 states have internal predecessors, (363), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 08:24:16,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 439 transitions. [2024-11-10 08:24:16,390 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 439 transitions. Word has length 272 [2024-11-10 08:24:16,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:24:16,392 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 439 transitions. [2024-11-10 08:24:16,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:16,392 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 439 transitions. [2024-11-10 08:24:16,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 08:24:16,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:16,398 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:16,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 08:24:16,399 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:16,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:16,399 INFO L85 PathProgramCache]: Analyzing trace with hash 767217912, now seen corresponding path program 1 times [2024-11-10 08:24:16,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:16,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215627936] [2024-11-10 08:24:16,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:16,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:24:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:24:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:24:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:24:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:24:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:24:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:24:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:24:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:24:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:24:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:24:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:24:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:24:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:24:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:24:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:24:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:24:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:24:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:24:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:24:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:24:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:24:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:24:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:24:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:24:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:24:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:24:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:24:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:24:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:24:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 08:24:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:24:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 08:24:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:24:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:24:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:24:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:24:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:24:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 08:24:16,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:24:16,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215627936] [2024-11-10 08:24:16,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215627936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:24:16,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:24:16,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:24:16,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128626743] [2024-11-10 08:24:16,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:24:16,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:24:16,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:24:16,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:24:16,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:24:16,740 INFO L87 Difference]: Start difference. First operand 279 states and 439 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:16,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:24:16,851 INFO L93 Difference]: Finished difference Result 700 states and 1098 transitions. [2024-11-10 08:24:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:24:16,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 272 [2024-11-10 08:24:16,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:24:16,855 INFO L225 Difference]: With dead ends: 700 [2024-11-10 08:24:16,855 INFO L226 Difference]: Without dead ends: 424 [2024-11-10 08:24:16,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:24:16,861 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 241 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:24:16,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 508 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:24:16,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-10 08:24:16,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 279. [2024-11-10 08:24:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 239 states have (on average 1.5104602510460252) internal successors, (361), 239 states have internal predecessors, (361), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 08:24:16,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 437 transitions. [2024-11-10 08:24:16,878 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 437 transitions. Word has length 272 [2024-11-10 08:24:16,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:24:16,879 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 437 transitions. [2024-11-10 08:24:16,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:16,880 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 437 transitions. [2024-11-10 08:24:16,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-10 08:24:16,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:16,883 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:16,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 08:24:16,883 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:16,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:16,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1257942114, now seen corresponding path program 1 times [2024-11-10 08:24:16,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:16,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086372572] [2024-11-10 08:24:16,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:16,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:24:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:24:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:24:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:24:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:24:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:24:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:24:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:24:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:24:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:24:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:24:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:24:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:24:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:24:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:24:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:24:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:24:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:24:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:24:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:24:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:24:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:24:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:24:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:24:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:24:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:24:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:24:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:24:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:24:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:24:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 08:24:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:24:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 08:24:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:24:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:24:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:24:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:24:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:24:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 08:24:17,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:24:17,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086372572] [2024-11-10 08:24:17,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086372572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:24:17,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:24:17,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:24:17,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522775207] [2024-11-10 08:24:17,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:24:17,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:24:17,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:24:17,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:24:17,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:24:17,790 INFO L87 Difference]: Start difference. First operand 279 states and 437 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:18,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:24:18,084 INFO L93 Difference]: Finished difference Result 895 states and 1407 transitions. [2024-11-10 08:24:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 08:24:18,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 272 [2024-11-10 08:24:18,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:24:18,088 INFO L225 Difference]: With dead ends: 895 [2024-11-10 08:24:18,089 INFO L226 Difference]: Without dead ends: 619 [2024-11-10 08:24:18,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:24:18,091 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 268 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 08:24:18,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 791 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 08:24:18,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-11-10 08:24:18,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 532. [2024-11-10 08:24:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 453 states have (on average 1.5165562913907285) internal successors, (687), 453 states have internal predecessors, (687), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 08:24:18,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 839 transitions. [2024-11-10 08:24:18,161 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 839 transitions. Word has length 272 [2024-11-10 08:24:18,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:24:18,162 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 839 transitions. [2024-11-10 08:24:18,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 839 transitions. [2024-11-10 08:24:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-10 08:24:18,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:18,166 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:18,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 08:24:18,166 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:18,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:18,167 INFO L85 PathProgramCache]: Analyzing trace with hash 37828052, now seen corresponding path program 1 times [2024-11-10 08:24:18,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:18,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319872882] [2024-11-10 08:24:18,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:18,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:24:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:24:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:24:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:24:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:24:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:24:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:24:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:24:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:24:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:24:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:24:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:24:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:24:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:24:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:24:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:24:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:24:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:24:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:24:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:24:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:24:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:24:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:24:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:24:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:24:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:24:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:24:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:24:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:24:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:24:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 08:24:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:24:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 08:24:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:24:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:24:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:24:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:24:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:24:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:18,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 08:24:18,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:24:18,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319872882] [2024-11-10 08:24:18,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319872882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:24:18,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:24:18,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:24:18,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808880110] [2024-11-10 08:24:18,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:24:18,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:24:18,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:24:18,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:24:18,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:24:18,916 INFO L87 Difference]: Start difference. First operand 532 states and 839 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:19,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:24:19,253 INFO L93 Difference]: Finished difference Result 1066 states and 1677 transitions. [2024-11-10 08:24:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 08:24:19,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 273 [2024-11-10 08:24:19,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:24:19,257 INFO L225 Difference]: With dead ends: 1066 [2024-11-10 08:24:19,258 INFO L226 Difference]: Without dead ends: 619 [2024-11-10 08:24:19,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:24:19,262 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 264 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:24:19,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 794 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:24:19,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-11-10 08:24:19,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 533. [2024-11-10 08:24:19,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 454 states have (on average 1.513215859030837) internal successors, (687), 454 states have internal predecessors, (687), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-10 08:24:19,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 839 transitions. [2024-11-10 08:24:19,307 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 839 transitions. Word has length 273 [2024-11-10 08:24:19,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:24:19,309 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 839 transitions. [2024-11-10 08:24:19,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:19,309 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 839 transitions. [2024-11-10 08:24:19,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-10 08:24:19,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:19,314 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:19,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 08:24:19,314 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:19,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:19,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1135354330, now seen corresponding path program 1 times [2024-11-10 08:24:19,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:19,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281754753] [2024-11-10 08:24:19,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:19,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:24:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:24:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:24:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:24:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:24:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:24:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:24:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:24:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:24:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:24:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:24:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:24:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:24:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:24:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:24:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:24:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:24:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:24:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:24:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:24:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:24:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:24:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:24:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:24:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:24:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:24:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:24:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:24:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:24:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:24:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 08:24:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:24:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 08:24:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:24:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:24:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:24:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:24:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:19,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:24:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:20,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 08:24:20,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:24:20,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281754753] [2024-11-10 08:24:20,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281754753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:24:20,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:24:20,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:24:20,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313824747] [2024-11-10 08:24:20,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:24:20,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:24:20,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:24:20,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:24:20,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:24:20,008 INFO L87 Difference]: Start difference. First operand 533 states and 839 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:20,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:24:20,719 INFO L93 Difference]: Finished difference Result 1735 states and 2729 transitions. [2024-11-10 08:24:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 08:24:20,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 274 [2024-11-10 08:24:20,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:24:20,727 INFO L225 Difference]: With dead ends: 1735 [2024-11-10 08:24:20,727 INFO L226 Difference]: Without dead ends: 1366 [2024-11-10 08:24:20,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:24:20,730 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 450 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 08:24:20,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 907 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 08:24:20,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2024-11-10 08:24:20,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1334. [2024-11-10 08:24:20,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 1177 states have (on average 1.5250637213254035) internal successors, (1795), 1177 states have internal predecessors, (1795), 152 states have call successors, (152), 4 states have call predecessors, (152), 4 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-10 08:24:20,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 2099 transitions. [2024-11-10 08:24:20,814 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 2099 transitions. Word has length 274 [2024-11-10 08:24:20,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:24:20,819 INFO L471 AbstractCegarLoop]: Abstraction has 1334 states and 2099 transitions. [2024-11-10 08:24:20,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:20,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 2099 transitions. [2024-11-10 08:24:20,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-10 08:24:20,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:20,829 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:20,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 08:24:20,830 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:20,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:20,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1806034693, now seen corresponding path program 1 times [2024-11-10 08:24:20,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:20,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640067579] [2024-11-10 08:24:20,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:20,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:24:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:24:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:24:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:24:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:24:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:24:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:24:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:24:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:24:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:24:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:24:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:24:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:24:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:24:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:24:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:24:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:24:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:24:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:24:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:24:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:24:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:24:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:24:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:24:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:24:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:24:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:24:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:24:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:24:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:24:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 08:24:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:24:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 08:24:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:24:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:24:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:24:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:24:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:24:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:21,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 08:24:21,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:24:21,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640067579] [2024-11-10 08:24:21,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640067579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:24:21,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:24:21,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:24:21,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643949568] [2024-11-10 08:24:21,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:24:21,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:24:21,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:24:21,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:24:21,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:24:21,639 INFO L87 Difference]: Start difference. First operand 1334 states and 2099 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-10 08:24:21,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:24:21,899 INFO L93 Difference]: Finished difference Result 3628 states and 5706 transitions. [2024-11-10 08:24:21,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:24:21,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 275 [2024-11-10 08:24:21,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:24:21,913 INFO L225 Difference]: With dead ends: 3628 [2024-11-10 08:24:21,914 INFO L226 Difference]: Without dead ends: 2594 [2024-11-10 08:24:21,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:24:21,920 INFO L432 NwaCegarLoop]: 361 mSDtfsCounter, 410 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:24:21,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 608 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:24:21,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2024-11-10 08:24:22,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 2588. [2024-11-10 08:24:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2588 states, 2314 states have (on average 1.5267934312878133) internal successors, (3533), 2314 states have internal predecessors, (3533), 266 states have call successors, (266), 7 states have call predecessors, (266), 7 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-10 08:24:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2588 states and 4065 transitions. [2024-11-10 08:24:22,056 INFO L78 Accepts]: Start accepts. Automaton has 2588 states and 4065 transitions. Word has length 275 [2024-11-10 08:24:22,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:24:22,058 INFO L471 AbstractCegarLoop]: Abstraction has 2588 states and 4065 transitions. [2024-11-10 08:24:22,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-10 08:24:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 4065 transitions. [2024-11-10 08:24:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-10 08:24:22,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:22,064 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:22,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 08:24:22,064 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:22,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:22,065 INFO L85 PathProgramCache]: Analyzing trace with hash 882980000, now seen corresponding path program 1 times [2024-11-10 08:24:22,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:22,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559035506] [2024-11-10 08:24:22,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:22,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:24:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:24:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:24:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:24:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:24:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:24:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:24:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:24:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:24:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:24:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:24:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:24:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:24:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:24:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:24:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:24:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:24:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:24:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:24:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:24:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:24:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:24:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:24:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:24:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:24:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:24:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:24:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:24:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:24:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:24:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 08:24:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:24:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 08:24:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:24:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:24:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:24:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:24:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:24:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 08:24:22,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:24:22,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559035506] [2024-11-10 08:24:22,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559035506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:24:22,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:24:22,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:24:22,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141958788] [2024-11-10 08:24:22,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:24:22,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:24:22,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:24:22,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:24:22,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:24:22,293 INFO L87 Difference]: Start difference. First operand 2588 states and 4065 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:22,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:24:22,470 INFO L93 Difference]: Finished difference Result 5710 states and 8970 transitions. [2024-11-10 08:24:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:24:22,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 276 [2024-11-10 08:24:22,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:24:22,486 INFO L225 Difference]: With dead ends: 5710 [2024-11-10 08:24:22,486 INFO L226 Difference]: Without dead ends: 3196 [2024-11-10 08:24:22,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:24:22,493 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 165 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:24:22,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 578 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:24:22,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3196 states. [2024-11-10 08:24:22,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3196 to 2592. [2024-11-10 08:24:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2592 states, 2318 states have (on average 1.5241587575496118) internal successors, (3533), 2318 states have internal predecessors, (3533), 266 states have call successors, (266), 7 states have call predecessors, (266), 7 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-10 08:24:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2592 states and 4065 transitions. [2024-11-10 08:24:22,637 INFO L78 Accepts]: Start accepts. Automaton has 2592 states and 4065 transitions. Word has length 276 [2024-11-10 08:24:22,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:24:22,637 INFO L471 AbstractCegarLoop]: Abstraction has 2592 states and 4065 transitions. [2024-11-10 08:24:22,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:22,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 4065 transitions. [2024-11-10 08:24:22,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-10 08:24:22,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:22,643 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:22,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 08:24:22,643 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:22,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:22,644 INFO L85 PathProgramCache]: Analyzing trace with hash 903317375, now seen corresponding path program 1 times [2024-11-10 08:24:22,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:22,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68885318] [2024-11-10 08:24:22,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:22,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:24:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:24:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:24:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:22,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:24:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:24:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:24:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:24:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:24:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:24:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:24:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:24:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:24:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:24:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:24:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:24:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:24:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:24:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:24:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:24:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:24:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:24:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:24:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:24:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:24:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:24:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:24:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:24:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:24:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:24:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:24:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 08:24:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:24:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 08:24:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:24:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:24:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:24:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:24:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:24:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 08:24:23,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:24:23,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68885318] [2024-11-10 08:24:23,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68885318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:24:23,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:24:23,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:24:23,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562145637] [2024-11-10 08:24:23,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:24:23,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:24:23,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:24:23,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:24:23,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:24:23,221 INFO L87 Difference]: Start difference. First operand 2592 states and 4065 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:23,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:24:23,592 INFO L93 Difference]: Finished difference Result 3469 states and 5421 transitions. [2024-11-10 08:24:23,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 08:24:23,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 276 [2024-11-10 08:24:23,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:24:23,603 INFO L225 Difference]: With dead ends: 3469 [2024-11-10 08:24:23,603 INFO L226 Difference]: Without dead ends: 2204 [2024-11-10 08:24:23,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:24:23,607 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 202 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:24:23,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 756 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:24:23,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2204 states. [2024-11-10 08:24:23,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2204 to 2138. [2024-11-10 08:24:23,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2138 states, 1864 states have (on average 1.5107296137339057) internal successors, (2816), 1864 states have internal predecessors, (2816), 266 states have call successors, (266), 7 states have call predecessors, (266), 7 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-10 08:24:23,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 3348 transitions. [2024-11-10 08:24:23,769 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 3348 transitions. Word has length 276 [2024-11-10 08:24:23,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:24:23,769 INFO L471 AbstractCegarLoop]: Abstraction has 2138 states and 3348 transitions. [2024-11-10 08:24:23,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 3348 transitions. [2024-11-10 08:24:23,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-10 08:24:23,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:23,773 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:23,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 08:24:23,774 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:23,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:23,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1072886611, now seen corresponding path program 1 times [2024-11-10 08:24:23,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:23,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031911274] [2024-11-10 08:24:23,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:23,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:24:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:24:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:24:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:24:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:24:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:24:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:24:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:24:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:24:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:24:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:24:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:24:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:24:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:24:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:24:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:24:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:24:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:24:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:24:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:24:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:24:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:24:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:24:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:24:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:24:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:24:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:24:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:24:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:24:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:24:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 08:24:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:24:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 08:24:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:24:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:24:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:24:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:24:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:24:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 08:24:24,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:24:24,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031911274] [2024-11-10 08:24:24,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031911274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:24:24,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:24:24,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:24:24,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686152088] [2024-11-10 08:24:24,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:24:24,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:24:24,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:24:24,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:24:24,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:24:24,479 INFO L87 Difference]: Start difference. First operand 2138 states and 3348 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:24,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:24:24,817 INFO L93 Difference]: Finished difference Result 2922 states and 4561 transitions. [2024-11-10 08:24:24,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 08:24:24,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 276 [2024-11-10 08:24:24,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:24:24,829 INFO L225 Difference]: With dead ends: 2922 [2024-11-10 08:24:24,829 INFO L226 Difference]: Without dead ends: 2204 [2024-11-10 08:24:24,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:24:24,832 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 211 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 08:24:24,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 772 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 08:24:24,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2204 states. [2024-11-10 08:24:24,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2204 to 2138. [2024-11-10 08:24:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2138 states, 1864 states have (on average 1.5101931330472103) internal successors, (2815), 1864 states have internal predecessors, (2815), 266 states have call successors, (266), 7 states have call predecessors, (266), 7 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-10 08:24:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 3347 transitions. [2024-11-10 08:24:24,993 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 3347 transitions. Word has length 276 [2024-11-10 08:24:24,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:24:24,994 INFO L471 AbstractCegarLoop]: Abstraction has 2138 states and 3347 transitions. [2024-11-10 08:24:24,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:24,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 3347 transitions. [2024-11-10 08:24:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-10 08:24:24,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:24,998 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:24,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 08:24:24,998 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:24,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:24,999 INFO L85 PathProgramCache]: Analyzing trace with hash 110460686, now seen corresponding path program 1 times [2024-11-10 08:24:24,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:24,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042078751] [2024-11-10 08:24:24,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:24,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:24:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:24:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:24:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 08:24:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 08:24:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 08:24:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 08:24:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 08:24:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 08:24:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 08:24:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 08:24:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 08:24:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 08:24:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 08:24:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 08:24:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 08:24:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 08:24:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 08:24:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 08:24:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 08:24:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:24:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 08:24:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 08:24:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 08:24:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 08:24:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 08:24:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 08:24:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 08:24:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 08:24:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 08:24:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 08:24:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 08:24:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 08:24:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 08:24:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 08:24:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 08:24:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 08:24:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 08:24:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:24:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-10 08:24:25,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:24:25,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042078751] [2024-11-10 08:24:25,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042078751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:24:25,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:24:25,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:24:25,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576672885] [2024-11-10 08:24:25,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:24:25,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:24:25,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:24:25,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:24:25,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:24:25,689 INFO L87 Difference]: Start difference. First operand 2138 states and 3347 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:25,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:24:25,871 INFO L93 Difference]: Finished difference Result 5409 states and 8467 transitions. [2024-11-10 08:24:25,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:24:25,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 276 [2024-11-10 08:24:25,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:24:25,889 INFO L225 Difference]: With dead ends: 5409 [2024-11-10 08:24:25,890 INFO L226 Difference]: Without dead ends: 3727 [2024-11-10 08:24:25,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:24:25,897 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 168 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:24:25,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 523 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:24:25,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3727 states. [2024-11-10 08:24:26,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3727 to 3376. [2024-11-10 08:24:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3376 states, 2868 states have (on average 1.49581589958159) internal successors, (4290), 2868 states have internal predecessors, (4290), 494 states have call successors, (494), 13 states have call predecessors, (494), 13 states have return successors, (494), 494 states have call predecessors, (494), 494 states have call successors, (494) [2024-11-10 08:24:26,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3376 states and 5278 transitions. [2024-11-10 08:24:26,191 INFO L78 Accepts]: Start accepts. Automaton has 3376 states and 5278 transitions. Word has length 276 [2024-11-10 08:24:26,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:24:26,192 INFO L471 AbstractCegarLoop]: Abstraction has 3376 states and 5278 transitions. [2024-11-10 08:24:26,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-10 08:24:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 5278 transitions. [2024-11-10 08:24:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-10 08:24:26,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:24:26,197 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:24:26,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 08:24:26,198 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:24:26,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:24:26,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1772281802, now seen corresponding path program 1 times [2024-11-10 08:24:26,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:24:26,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551660095] [2024-11-10 08:24:26,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:24:26,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:24:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat