./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.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 341cfc181a184dfd888895046689be86cf5a3b257f2774b185252ff7e72de492 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 13:15:08,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 13:15:08,887 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 13:15:08,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 13:15:08,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 13:15:08,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 13:15:08,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 13:15:08,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 13:15:08,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 13:15:08,924 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 13:15:08,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 13:15:08,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 13:15:08,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 13:15:08,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 13:15:08,926 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 13:15:08,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 13:15:08,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 13:15:08,926 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 13:15:08,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 13:15:08,928 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 13:15:08,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 13:15:08,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 13:15:08,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 13:15:08,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 13:15:08,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 13:15:08,929 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 13:15:08,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 13:15:08,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 13:15:08,929 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 13:15:08,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 13:15:08,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 13:15:08,930 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 13:15:08,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 13:15:08,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 13:15:08,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 13:15:08,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 13:15:08,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 13:15:08,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 13:15:08,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 13:15:08,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 13:15:08,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 13:15:08,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 13:15:08,932 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 341cfc181a184dfd888895046689be86cf5a3b257f2774b185252ff7e72de492 [2024-11-16 13:15:09,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 13:15:09,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 13:15:09,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 13:15:09,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 13:15:09,188 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 13:15:09,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.i [2024-11-16 13:15:10,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 13:15:10,641 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 13:15:10,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.i [2024-11-16 13:15:10,660 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6512493/3644edad757048478053efe4ec60ec8a/FLAGdad264474 [2024-11-16 13:15:11,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6512493/3644edad757048478053efe4ec60ec8a [2024-11-16 13:15:11,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 13:15:11,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 13:15:11,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 13:15:11,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 13:15:11,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 13:15:11,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bae543c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11, skipping insertion in model container [2024-11-16 13:15:11,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 13:15:11,194 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.i[916,929] [2024-11-16 13:15:11,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 13:15:11,335 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 13:15:11,345 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.i[916,929] [2024-11-16 13:15:11,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 13:15:11,411 INFO L204 MainTranslator]: Completed translation [2024-11-16 13:15:11,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11 WrapperNode [2024-11-16 13:15:11,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 13:15:11,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 13:15:11,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 13:15:11,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 13:15:11,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,479 INFO L138 Inliner]: procedures = 26, calls = 74, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 459 [2024-11-16 13:15:11,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 13:15:11,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 13:15:11,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 13:15:11,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 13:15:11,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,499 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,526 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 13:15:11,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,543 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 13:15:11,572 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 13:15:11,572 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 13:15:11,572 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 13:15:11,573 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (1/1) ... [2024-11-16 13:15:11,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 13:15:11,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 13:15:11,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 13:15:11,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 13:15:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 13:15:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 13:15:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 13:15:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 13:15:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 13:15:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 13:15:11,778 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 13:15:11,780 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 13:15:12,299 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-16 13:15:12,300 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 13:15:12,328 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 13:15:12,328 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 13:15:12,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 01:15:12 BoogieIcfgContainer [2024-11-16 13:15:12,329 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 13:15:12,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 13:15:12,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 13:15:12,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 13:15:12,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 01:15:11" (1/3) ... [2024-11-16 13:15:12,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a87fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:15:12, skipping insertion in model container [2024-11-16 13:15:12,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:15:11" (2/3) ... [2024-11-16 13:15:12,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a87fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:15:12, skipping insertion in model container [2024-11-16 13:15:12,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 01:15:12" (3/3) ... [2024-11-16 13:15:12,357 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-89.i [2024-11-16 13:15:12,370 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 13:15:12,370 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 13:15:12,434 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 13:15:12,440 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;@718d6f12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 13:15:12,440 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 13:15:12,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 199 states, 135 states have (on average 1.5629629629629629) internal successors, (211), 136 states have internal predecessors, (211), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-16 13:15:12,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-16 13:15:12,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:12,461 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:12,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:12,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:12,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1211706802, now seen corresponding path program 1 times [2024-11-16 13:15:12,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:12,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692275899] [2024-11-16 13:15:12,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:12,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:15:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:15:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:15:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:15:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:15:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:15:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:15:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:15:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 13:15:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:15:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 13:15:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:15:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:15:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:15:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:15:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:15:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:15:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:15:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:15:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:15:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:15:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:15:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:15:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:15:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:15:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:15:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:15:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 13:15:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 13:15:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 13:15:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 13:15:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:15:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:15:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:12,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:15:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:15:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:15:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:15:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:15:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:15:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:15:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:15:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:15:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:15:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 13:15:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-16 13:15:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 13:15:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-16 13:15:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-16 13:15:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-16 13:15:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-16 13:15:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-16 13:15:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-16 13:15:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-16 13:15:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-16 13:15:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-16 13:15:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-16 13:15:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-16 13:15:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-16 13:15:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-16 13:15:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-16 13:15:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-16 13:15:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,118 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-16 13:15:13,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:15:13,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692275899] [2024-11-16 13:15:13,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692275899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:15:13,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:15:13,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 13:15:13,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398604100] [2024-11-16 13:15:13,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:15:13,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 13:15:13,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:15:13,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 13:15:13,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 13:15:13,148 INFO L87 Difference]: Start difference. First operand has 199 states, 135 states have (on average 1.5629629629629629) internal successors, (211), 136 states have internal predecessors, (211), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-16 13:15:13,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:15:13,206 INFO L93 Difference]: Finished difference Result 390 states and 720 transitions. [2024-11-16 13:15:13,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 13:15:13,210 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 2 states have call successors, (61) Word has length 392 [2024-11-16 13:15:13,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:15:13,219 INFO L225 Difference]: With dead ends: 390 [2024-11-16 13:15:13,219 INFO L226 Difference]: Without dead ends: 194 [2024-11-16 13:15:13,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 13:15:13,229 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 13:15:13,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 319 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 13:15:13,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-16 13:15:13,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-16 13:15:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 131 states have (on average 1.5419847328244274) internal successors, (202), 131 states have internal predecessors, (202), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-16 13:15:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 324 transitions. [2024-11-16 13:15:13,290 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 324 transitions. Word has length 392 [2024-11-16 13:15:13,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:15:13,290 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 324 transitions. [2024-11-16 13:15:13,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-16 13:15:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 324 transitions. [2024-11-16 13:15:13,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-16 13:15:13,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:13,301 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:13,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 13:15:13,302 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:13,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:13,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2074557101, now seen corresponding path program 1 times [2024-11-16 13:15:13,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:13,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219003327] [2024-11-16 13:15:13,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:13,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:15:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:15:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:15:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:15:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:15:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:15:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:15:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:15:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 13:15:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:15:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 13:15:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:15:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:15:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:15:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:15:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:15:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:15:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:15:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:15:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:15:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:15:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:15:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:15:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:15:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:15:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:15:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:15:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 13:15:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 13:15:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 13:15:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 13:15:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:15:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:15:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:15:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:15:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:15:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:15:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:15:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:15:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:15:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:15:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:15:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:15:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 13:15:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-16 13:15:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 13:15:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-16 13:15:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-16 13:15:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-16 13:15:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-16 13:15:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-16 13:15:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-16 13:15:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-16 13:15:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-16 13:15:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-16 13:15:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-16 13:15:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-16 13:15:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-16 13:15:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-16 13:15:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-16 13:15:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-16 13:15:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-16 13:15:13,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:15:13,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219003327] [2024-11-16 13:15:13,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219003327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:15:13,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:15:13,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 13:15:13,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657096428] [2024-11-16 13:15:13,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:15:13,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 13:15:13,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:15:13,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 13:15:13,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:15:13,674 INFO L87 Difference]: Start difference. First operand 194 states and 324 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-16 13:15:13,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:15:13,755 INFO L93 Difference]: Finished difference Result 500 states and 839 transitions. [2024-11-16 13:15:13,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 13:15:13,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 392 [2024-11-16 13:15:13,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:15:13,761 INFO L225 Difference]: With dead ends: 500 [2024-11-16 13:15:13,762 INFO L226 Difference]: Without dead ends: 309 [2024-11-16 13:15:13,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:15:13,763 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 168 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 13:15:13,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 648 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 13:15:13,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-16 13:15:13,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 305. [2024-11-16 13:15:13,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 219 states have (on average 1.5753424657534247) internal successors, (345), 220 states have internal predecessors, (345), 83 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (83), 82 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-16 13:15:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 511 transitions. [2024-11-16 13:15:13,794 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 511 transitions. Word has length 392 [2024-11-16 13:15:13,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:15:13,795 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 511 transitions. [2024-11-16 13:15:13,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-16 13:15:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 511 transitions. [2024-11-16 13:15:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-16 13:15:13,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:13,801 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:13,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 13:15:13,801 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:13,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:13,802 INFO L85 PathProgramCache]: Analyzing trace with hash -743027251, now seen corresponding path program 1 times [2024-11-16 13:15:13,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:13,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273133491] [2024-11-16 13:15:13,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:13,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:15:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:15:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:15:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:15:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:15:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:15:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:15:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:15:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 13:15:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:15:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 13:15:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:15:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:15:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:15:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:15:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:15:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:15:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:15:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:15:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:15:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:15:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:15:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:15:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:15:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:15:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:15:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:15:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 13:15:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 13:15:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 13:15:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 13:15:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:15:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:15:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:15:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:15:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:15:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:15:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:15:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:15:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:15:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:15:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:15:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:15:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 13:15:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-16 13:15:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 13:15:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-16 13:15:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-16 13:15:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-16 13:15:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-16 13:15:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-16 13:15:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-16 13:15:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-16 13:15:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-16 13:15:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-16 13:15:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-16 13:15:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-16 13:15:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-16 13:15:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-16 13:15:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-16 13:15:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-16 13:15:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-16 13:15:14,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:15:14,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273133491] [2024-11-16 13:15:14,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273133491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:15:14,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:15:14,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 13:15:14,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035958146] [2024-11-16 13:15:14,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:15:14,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 13:15:14,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:15:14,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 13:15:14,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 13:15:14,168 INFO L87 Difference]: Start difference. First operand 305 states and 511 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-16 13:15:14,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:15:14,386 INFO L93 Difference]: Finished difference Result 1107 states and 1862 transitions. [2024-11-16 13:15:14,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 13:15:14,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 392 [2024-11-16 13:15:14,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:15:14,394 INFO L225 Difference]: With dead ends: 1107 [2024-11-16 13:15:14,394 INFO L226 Difference]: Without dead ends: 805 [2024-11-16 13:15:14,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 13:15:14,396 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 385 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 13:15:14,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 984 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 13:15:14,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-11-16 13:15:14,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 796. [2024-11-16 13:15:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 599 states have (on average 1.5993322203672788) internal successors, (958), 603 states have internal predecessors, (958), 190 states have call successors, (190), 6 states have call predecessors, (190), 6 states have return successors, (190), 186 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-16 13:15:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1338 transitions. [2024-11-16 13:15:14,460 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1338 transitions. Word has length 392 [2024-11-16 13:15:14,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:15:14,463 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1338 transitions. [2024-11-16 13:15:14,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-16 13:15:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1338 transitions. [2024-11-16 13:15:14,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-16 13:15:14,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:14,466 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:14,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 13:15:14,466 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:14,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash 209623174, now seen corresponding path program 1 times [2024-11-16 13:15:14,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:14,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370380076] [2024-11-16 13:15:14,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:14,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:15:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:15:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:15:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:15:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:15:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:15:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:15:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:15:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 13:15:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:15:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 13:15:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:15:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:15:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:15:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:15:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:15:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:15:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:15:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:15:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:15:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:15:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:15:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:15:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:15:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:15:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:15:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:15:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 13:15:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 13:15:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 13:15:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 13:15:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:15:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:15:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:15:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:15:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:15:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:15:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:15:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:15:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:15:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:15:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:15:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:15:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 13:15:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-16 13:15:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 13:15:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-16 13:15:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-16 13:15:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-16 13:15:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-16 13:15:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-16 13:15:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-16 13:15:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-16 13:15:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-16 13:15:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-16 13:15:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-16 13:15:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-16 13:15:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-16 13:15:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-16 13:15:14,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-16 13:15:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-16 13:15:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-16 13:15:14,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:15:14,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370380076] [2024-11-16 13:15:14,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370380076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:15:14,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:15:14,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 13:15:14,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135005938] [2024-11-16 13:15:14,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:15:14,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 13:15:14,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:15:14,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 13:15:14,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:15:14,814 INFO L87 Difference]: Start difference. First operand 796 states and 1338 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-16 13:15:14,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:15:14,894 INFO L93 Difference]: Finished difference Result 2382 states and 4008 transitions. [2024-11-16 13:15:14,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 13:15:14,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 393 [2024-11-16 13:15:14,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:15:14,901 INFO L225 Difference]: With dead ends: 2382 [2024-11-16 13:15:14,901 INFO L226 Difference]: Without dead ends: 1589 [2024-11-16 13:15:14,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:15:14,903 INFO L432 NwaCegarLoop]: 524 mSDtfsCounter, 309 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 13:15:14,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 837 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 13:15:14,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2024-11-16 13:15:14,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1586. [2024-11-16 13:15:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1193 states have (on average 1.5968147527242247) internal successors, (1905), 1201 states have internal predecessors, (1905), 380 states have call successors, (380), 12 states have call predecessors, (380), 12 states have return successors, (380), 372 states have call predecessors, (380), 380 states have call successors, (380) [2024-11-16 13:15:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2665 transitions. [2024-11-16 13:15:14,985 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2665 transitions. Word has length 393 [2024-11-16 13:15:14,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:15:14,986 INFO L471 AbstractCegarLoop]: Abstraction has 1586 states and 2665 transitions. [2024-11-16 13:15:14,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-16 13:15:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2665 transitions. [2024-11-16 13:15:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2024-11-16 13:15:14,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:14,991 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:14,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 13:15:14,991 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:14,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:14,992 INFO L85 PathProgramCache]: Analyzing trace with hash 315789685, now seen corresponding path program 1 times [2024-11-16 13:15:14,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:14,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385440598] [2024-11-16 13:15:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:14,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:15:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:15:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:15:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:15:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:15:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:15:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:15:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:15:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 13:15:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:15:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 13:15:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:15:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:15:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:15:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:15:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:15:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:15:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:15:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:15:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:15:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:15:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:15:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:15:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:15:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:15:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:15:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:15:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 13:15:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 13:15:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 13:15:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 13:15:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:15:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:15:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:15:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:15:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:15:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:15:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:15:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:15:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:15:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:15:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:15:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:15:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 13:15:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-16 13:15:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 13:15:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-16 13:15:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-16 13:15:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-16 13:15:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-16 13:15:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-16 13:15:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-16 13:15:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-16 13:15:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-16 13:15:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-16 13:15:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-16 13:15:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-16 13:15:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-16 13:15:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-16 13:15:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-16 13:15:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-16 13:15:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-16 13:15:15,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:15:15,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385440598] [2024-11-16 13:15:15,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385440598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:15:15,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:15:15,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 13:15:15,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340867834] [2024-11-16 13:15:15,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:15:15,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 13:15:15,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:15:15,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 13:15:15,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:15:15,409 INFO L87 Difference]: Start difference. First operand 1586 states and 2665 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-16 13:15:15,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:15:15,537 INFO L93 Difference]: Finished difference Result 4740 states and 7965 transitions. [2024-11-16 13:15:15,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 13:15:15,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 394 [2024-11-16 13:15:15,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:15:15,551 INFO L225 Difference]: With dead ends: 4740 [2024-11-16 13:15:15,551 INFO L226 Difference]: Without dead ends: 3157 [2024-11-16 13:15:15,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:15:15,556 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 173 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 13:15:15,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 621 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 13:15:15,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3157 states. [2024-11-16 13:15:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3157 to 3130. [2024-11-16 13:15:15,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3130 states, 2345 states have (on average 1.576545842217484) internal successors, (3697), 2361 states have internal predecessors, (3697), 760 states have call successors, (760), 24 states have call predecessors, (760), 24 states have return successors, (760), 744 states have call predecessors, (760), 760 states have call successors, (760) [2024-11-16 13:15:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 3130 states and 5217 transitions. [2024-11-16 13:15:15,740 INFO L78 Accepts]: Start accepts. Automaton has 3130 states and 5217 transitions. Word has length 394 [2024-11-16 13:15:15,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:15:15,741 INFO L471 AbstractCegarLoop]: Abstraction has 3130 states and 5217 transitions. [2024-11-16 13:15:15,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-16 13:15:15,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 5217 transitions. [2024-11-16 13:15:15,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2024-11-16 13:15:15,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:15,745 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:15,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 13:15:15,745 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:15,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:15,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1289180819, now seen corresponding path program 1 times [2024-11-16 13:15:15,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:15,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688077030] [2024-11-16 13:15:15,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:15,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:15:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:15:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:15:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:15:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:15:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:15:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:15,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:15:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:15:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 13:15:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:15:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 13:15:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:15:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:15:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:15:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:15:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:15:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:15:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:15:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:15:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:15:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:15:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:15:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:15:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:15:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:15:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:15:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:15:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 13:15:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 13:15:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 13:15:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 13:15:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:15:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:15:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:15:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:15:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:15:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:15:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:15:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:15:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:15:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:15:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:15:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:15:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 13:15:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-16 13:15:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 13:15:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-16 13:15:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-16 13:15:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-16 13:15:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-16 13:15:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-16 13:15:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-16 13:15:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-16 13:15:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-16 13:15:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-16 13:15:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-16 13:15:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-16 13:15:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-16 13:15:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-16 13:15:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-16 13:15:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-16 13:15:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:16,083 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-16 13:15:16,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:15:16,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688077030] [2024-11-16 13:15:16,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688077030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:15:16,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:15:16,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 13:15:16,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688892112] [2024-11-16 13:15:16,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:15:16,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 13:15:16,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:15:16,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 13:15:16,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:15:16,086 INFO L87 Difference]: Start difference. First operand 3130 states and 5217 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-16 13:15:16,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:15:16,297 INFO L93 Difference]: Finished difference Result 7568 states and 12649 transitions. [2024-11-16 13:15:16,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 13:15:16,297 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 394 [2024-11-16 13:15:16,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:15:16,323 INFO L225 Difference]: With dead ends: 7568 [2024-11-16 13:15:16,323 INFO L226 Difference]: Without dead ends: 5609 [2024-11-16 13:15:16,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:15:16,333 INFO L432 NwaCegarLoop]: 388 mSDtfsCounter, 199 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 1427 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 13:15:16,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 1427 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 13:15:16,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5609 states. [2024-11-16 13:15:16,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5609 to 5590. [2024-11-16 13:15:16,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5590 states, 4429 states have (on average 1.6069090088055995) internal successors, (7117), 4469 states have internal predecessors, (7117), 1112 states have call successors, (1112), 48 states have call predecessors, (1112), 48 states have return successors, (1112), 1072 states have call predecessors, (1112), 1112 states have call successors, (1112) [2024-11-16 13:15:16,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5590 states to 5590 states and 9341 transitions. [2024-11-16 13:15:16,614 INFO L78 Accepts]: Start accepts. Automaton has 5590 states and 9341 transitions. Word has length 394 [2024-11-16 13:15:16,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:15:16,616 INFO L471 AbstractCegarLoop]: Abstraction has 5590 states and 9341 transitions. [2024-11-16 13:15:16,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-16 13:15:16,616 INFO L276 IsEmpty]: Start isEmpty. Operand 5590 states and 9341 transitions. [2024-11-16 13:15:16,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2024-11-16 13:15:16,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:16,620 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:16,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 13:15:16,621 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:16,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:16,621 INFO L85 PathProgramCache]: Analyzing trace with hash -2036205454, now seen corresponding path program 1 times [2024-11-16 13:15:16,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:16,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757971352] [2024-11-16 13:15:16,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:16,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:15:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:15:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:15:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:15:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:15:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:15:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:15:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:15:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 13:15:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:15:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 13:15:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:15:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:15:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:15:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:15:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:15:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:15:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:15:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:15:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:15:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:15:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:15:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:15:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:15:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:15:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:15:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:15:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 13:15:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 13:15:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 13:15:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 13:15:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:15:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:15:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:15:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:15:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:15:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:15:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:15:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:15:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:15:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:15:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:15:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:15:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 13:15:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-16 13:15:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 13:15:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-16 13:15:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-16 13:15:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-16 13:15:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-16 13:15:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-16 13:15:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-16 13:15:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-16 13:15:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-16 13:15:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-16 13:15:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-16 13:15:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-16 13:15:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-16 13:15:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-16 13:15:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-16 13:15:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-16 13:15:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:17,325 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-16 13:15:17,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:15:17,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757971352] [2024-11-16 13:15:17,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757971352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:15:17,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:15:17,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 13:15:17,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451822766] [2024-11-16 13:15:17,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:15:17,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 13:15:17,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:15:17,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 13:15:17,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:15:17,329 INFO L87 Difference]: Start difference. First operand 5590 states and 9341 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-16 13:15:17,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:15:17,751 INFO L93 Difference]: Finished difference Result 14342 states and 23954 transitions. [2024-11-16 13:15:17,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 13:15:17,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 394 [2024-11-16 13:15:17,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:15:17,792 INFO L225 Difference]: With dead ends: 14342 [2024-11-16 13:15:17,792 INFO L226 Difference]: Without dead ends: 8755 [2024-11-16 13:15:17,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:15:17,810 INFO L432 NwaCegarLoop]: 442 mSDtfsCounter, 207 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 13:15:17,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 741 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 13:15:17,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8755 states. [2024-11-16 13:15:18,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8755 to 8752. [2024-11-16 13:15:18,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8752 states, 6790 states have (on average 1.5926362297496317) internal successors, (10814), 6847 states have internal predecessors, (10814), 1888 states have call successors, (1888), 73 states have call predecessors, (1888), 73 states have return successors, (1888), 1831 states have call predecessors, (1888), 1888 states have call successors, (1888) [2024-11-16 13:15:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8752 states to 8752 states and 14590 transitions. [2024-11-16 13:15:18,239 INFO L78 Accepts]: Start accepts. Automaton has 8752 states and 14590 transitions. Word has length 394 [2024-11-16 13:15:18,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:15:18,239 INFO L471 AbstractCegarLoop]: Abstraction has 8752 states and 14590 transitions. [2024-11-16 13:15:18,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-16 13:15:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 8752 states and 14590 transitions. [2024-11-16 13:15:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2024-11-16 13:15:18,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:18,245 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:18,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 13:15:18,245 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:18,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:18,246 INFO L85 PathProgramCache]: Analyzing trace with hash -264378845, now seen corresponding path program 1 times [2024-11-16 13:15:18,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:18,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595432426] [2024-11-16 13:15:18,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:18,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:15:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:15:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 13:15:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:15:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:15:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 13:15:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:15:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:15:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 13:15:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:15:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 13:15:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:15:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:15:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:15:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:15:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:15:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:15:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:15:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:15:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:15:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:15:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:15:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:15:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:15:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:15:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:15:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:15:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 13:15:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 13:15:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 13:15:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 13:15:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:15:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:15:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-16 13:15:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-16 13:15:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-16 13:15:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-16 13:15:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-16 13:15:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-16 13:15:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-16 13:15:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-16 13:15:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-16 13:15:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-16 13:15:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-16 13:15:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-16 13:15:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-11-16 13:15:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-16 13:15:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-16 13:15:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-16 13:15:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-16 13:15:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-16 13:15:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-16 13:15:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-11-16 13:15:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-16 13:15:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-16 13:15:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2024-11-16 13:15:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-11-16 13:15:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-16 13:15:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-11-16 13:15:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-11-16 13:15:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2024-11-16 13:15:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 114 proven. 66 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-16 13:15:18,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:15:18,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595432426] [2024-11-16 13:15:18,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595432426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 13:15:18,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932499376] [2024-11-16 13:15:18,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:18,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 13:15:18,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 13:15:18,702 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 13:15:18,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 13:15:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:18,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 13:15:18,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 13:15:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3708 proven. 84 refuted. 0 times theorem prover too weak. 3528 trivial. 0 not checked. [2024-11-16 13:15:19,787 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 13:15:20,180 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 96 proven. 84 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-16 13:15:20,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932499376] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 13:15:20,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 13:15:20,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-16 13:15:20,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990654115] [2024-11-16 13:15:20,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 13:15:20,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 13:15:20,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:15:20,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 13:15:20,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-16 13:15:20,186 INFO L87 Difference]: Start difference. First operand 8752 states and 14590 transitions. Second operand has 14 states, 14 states have (on average 16.071428571428573) internal successors, (225), 14 states have internal predecessors, (225), 5 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (151), 5 states have call predecessors, (151), 5 states have call successors, (151) [2024-11-16 13:15:21,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:15:21,777 INFO L93 Difference]: Finished difference Result 22051 states and 35927 transitions. [2024-11-16 13:15:21,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 13:15:21,778 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 16.071428571428573) internal successors, (225), 14 states have internal predecessors, (225), 5 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (151), 5 states have call predecessors, (151), 5 states have call successors, (151) Word has length 395 [2024-11-16 13:15:21,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:15:21,836 INFO L225 Difference]: With dead ends: 22051 [2024-11-16 13:15:21,836 INFO L226 Difference]: Without dead ends: 13332 [2024-11-16 13:15:21,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 930 GetRequests, 904 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=240, Invalid=516, Unknown=0, NotChecked=0, Total=756 [2024-11-16 13:15:21,866 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 529 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 13:15:21,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 1137 Invalid, 1239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 13:15:21,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13332 states. [2024-11-16 13:15:22,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13332 to 13002. [2024-11-16 13:15:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13002 states, 9728 states have (on average 1.4839638157894737) internal successors, (14436), 9857 states have internal predecessors, (14436), 3094 states have call successors, (3094), 179 states have call predecessors, (3094), 179 states have return successors, (3094), 2965 states have call predecessors, (3094), 3094 states have call successors, (3094) [2024-11-16 13:15:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13002 states to 13002 states and 20624 transitions. [2024-11-16 13:15:22,614 INFO L78 Accepts]: Start accepts. Automaton has 13002 states and 20624 transitions. Word has length 395 [2024-11-16 13:15:22,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:15:22,615 INFO L471 AbstractCegarLoop]: Abstraction has 13002 states and 20624 transitions. [2024-11-16 13:15:22,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.071428571428573) internal successors, (225), 14 states have internal predecessors, (225), 5 states have call successors, (150), 3 states have call predecessors, (150), 6 states have return successors, (151), 5 states have call predecessors, (151), 5 states have call successors, (151) [2024-11-16 13:15:22,616 INFO L276 IsEmpty]: Start isEmpty. Operand 13002 states and 20624 transitions. [2024-11-16 13:15:22,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2024-11-16 13:15:22,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:22,625 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:22,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-16 13:15:22,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 13:15:22,826 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:22,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:22,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1873637086, now seen corresponding path program 1 times [2024-11-16 13:15:22,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:22,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566343929] [2024-11-16 13:15:22,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:22,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-16 13:15:23,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [504133349] [2024-11-16 13:15:23,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:23,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 13:15:23,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 13:15:23,092 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 13:15:23,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 13:15:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:23,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-16 13:15:23,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 13:15:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3720 proven. 90 refuted. 0 times theorem prover too weak. 3510 trivial. 0 not checked. [2024-11-16 13:15:23,649 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 13:15:23,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:15:23,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566343929] [2024-11-16 13:15:23,853 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-16 13:15:23,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504133349] [2024-11-16 13:15:23,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504133349] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 13:15:23,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-16 13:15:23,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-16 13:15:23,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612824708] [2024-11-16 13:15:23,854 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-16 13:15:23,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 13:15:23,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:15:23,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 13:15:23,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-16 13:15:23,855 INFO L87 Difference]: Start difference. First operand 13002 states and 20624 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-16 13:15:25,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:15:25,428 INFO L93 Difference]: Finished difference Result 36226 states and 56713 transitions. [2024-11-16 13:15:25,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 13:15:25,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 397 [2024-11-16 13:15:25,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:15:25,522 INFO L225 Difference]: With dead ends: 36226 [2024-11-16 13:15:25,523 INFO L226 Difference]: Without dead ends: 23299 [2024-11-16 13:15:25,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2024-11-16 13:15:25,566 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 315 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 13:15:25,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 856 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 13:15:25,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23299 states. [2024-11-16 13:15:26,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23299 to 22698. [2024-11-16 13:15:27,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22698 states, 16703 states have (on average 1.4499790456804167) internal successors, (24219), 16976 states have internal predecessors, (24219), 5654 states have call successors, (5654), 340 states have call predecessors, (5654), 340 states have return successors, (5654), 5381 states have call predecessors, (5654), 5654 states have call successors, (5654) [2024-11-16 13:15:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22698 states to 22698 states and 35527 transitions. [2024-11-16 13:15:27,117 INFO L78 Accepts]: Start accepts. Automaton has 22698 states and 35527 transitions. Word has length 397 [2024-11-16 13:15:27,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:15:27,118 INFO L471 AbstractCegarLoop]: Abstraction has 22698 states and 35527 transitions. [2024-11-16 13:15:27,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-16 13:15:27,118 INFO L276 IsEmpty]: Start isEmpty. Operand 22698 states and 35527 transitions. [2024-11-16 13:15:27,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2024-11-16 13:15:27,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:15:27,130 INFO L215 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:15:27,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 13:15:27,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-16 13:15:27,332 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:15:27,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:15:27,333 INFO L85 PathProgramCache]: Analyzing trace with hash 237653283, now seen corresponding path program 1 times [2024-11-16 13:15:27,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:15:27,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967768023] [2024-11-16 13:15:27,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:27,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:15:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-16 13:15:27,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [938407581] [2024-11-16 13:15:27,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:15:27,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 13:15:27,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 13:15:27,583 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 13:15:27,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 13:15:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:15:27,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-16 13:15:27,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 13:15:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 5143 proven. 567 refuted. 0 times theorem prover too weak. 1610 trivial. 0 not checked. [2024-11-16 13:15:37,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 13:16:40,041 WARN L286 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)