./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-85.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_floatingpointinfluence_has-floats_file-85.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 adaaa37c405e7d679e050e08a9505edbe41bf89f875de14489d406f30fd12a14 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:43:56,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:43:56,653 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:43:56,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:43:56,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:43:56,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:43:56,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:43:56,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:43:56,692 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:43:56,695 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:43:56,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:43:56,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:43:56,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:43:56,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:43:56,697 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:43:56,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:43:56,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:43:56,698 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:43:56,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:43:56,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:43:56,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:43:56,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:43:56,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:43:56,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:43:56,703 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:43:56,704 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:43:56,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:43:56,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:43:56,704 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:43:56,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:43:56,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:43:56,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:43:56,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:43:56,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:43:56,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:43:56,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:43:56,707 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:43:56,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:43:56,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:43:56,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:43:56,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:43:56,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:43:56,709 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adaaa37c405e7d679e050e08a9505edbe41bf89f875de14489d406f30fd12a14 [2024-11-16 15:43:56,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:43:56,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:43:56,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:43:56,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:43:56,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:43:56,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-85.i [2024-11-16 15:43:58,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:43:58,513 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:43:58,514 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-85.i [2024-11-16 15:43:58,522 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70584fb23/fb0720b7c5ed45769370dd414357b368/FLAGbec8d1307 [2024-11-16 15:43:58,551 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70584fb23/fb0720b7c5ed45769370dd414357b368 [2024-11-16 15:43:58,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:43:58,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:43:58,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:43:58,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:43:58,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:43:58,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:58,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c7037e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58, skipping insertion in model container [2024-11-16 15:43:58,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:58,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:43:58,785 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_floatingpointinfluence_has-floats_file-85.i[917,930] [2024-11-16 15:43:58,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:43:58,847 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:43:58,856 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_floatingpointinfluence_has-floats_file-85.i[917,930] [2024-11-16 15:43:58,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:43:58,900 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:43:58,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58 WrapperNode [2024-11-16 15:43:58,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:43:58,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:43:58,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:43:58,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:43:58,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:58,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:58,947 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-16 15:43:58,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:43:58,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:43:58,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:43:58,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:43:58,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:58,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:58,959 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:58,979 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 15:43:58,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:58,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:58,992 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:58,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:58,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:58,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:59,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:43:59,002 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:43:59,003 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:43:59,003 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:43:59,007 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (1/1) ... [2024-11-16 15:43:59,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:43:59,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:43:59,050 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 15:43:59,054 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 15:43:59,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:43:59,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:43:59,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:43:59,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:43:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:43:59,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:43:59,156 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:43:59,160 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:43:59,412 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-16 15:43:59,414 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:43:59,428 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:43:59,429 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:43:59,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:43:59 BoogieIcfgContainer [2024-11-16 15:43:59,430 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:43:59,432 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:43:59,432 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:43:59,434 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:43:59,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:43:58" (1/3) ... [2024-11-16 15:43:59,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a49f19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:43:59, skipping insertion in model container [2024-11-16 15:43:59,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:43:58" (2/3) ... [2024-11-16 15:43:59,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a49f19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:43:59, skipping insertion in model container [2024-11-16 15:43:59,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:43:59" (3/3) ... [2024-11-16 15:43:59,438 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-85.i [2024-11-16 15:43:59,454 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:43:59,455 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:43:59,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:43:59,525 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;@43fe4cfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:43:59,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:43:59,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-16 15:43:59,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 15:43:59,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:43:59,545 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:43:59,545 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:43:59,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:43:59,550 INFO L85 PathProgramCache]: Analyzing trace with hash -906375749, now seen corresponding path program 1 times [2024-11-16 15:43:59,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:43:59,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811659166] [2024-11-16 15:43:59,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:43:59,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:43:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:43:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:43:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:43:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:43:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:43:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:43:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:43:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:43:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:43:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:43:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:43:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:43:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:43:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:43:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:43:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:43:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:43:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:43:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:43:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:43:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:43:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:43:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:43:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:43:59,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:43:59,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:43:59,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811659166] [2024-11-16 15:43:59,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811659166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:43:59,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:43:59,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:43:59,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734086491] [2024-11-16 15:43:59,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:43:59,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:43:59,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:43:59,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:43:59,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:44:00,002 INFO L87 Difference]: Start difference. First operand has 62 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-16 15:44:00,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:44:00,056 INFO L93 Difference]: Finished difference Result 116 states and 200 transitions. [2024-11-16 15:44:00,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:44:00,059 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 141 [2024-11-16 15:44:00,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:44:00,072 INFO L225 Difference]: With dead ends: 116 [2024-11-16 15:44:00,073 INFO L226 Difference]: Without dead ends: 57 [2024-11-16 15:44:00,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 15:44:00,079 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:44:00,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:44:00,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-16 15:44:00,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-16 15:44:00,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-16 15:44:00,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2024-11-16 15:44:00,122 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 141 [2024-11-16 15:44:00,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:44:00,123 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2024-11-16 15:44:00,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-16 15:44:00,123 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2024-11-16 15:44:00,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 15:44:00,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:44:00,129 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:00,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:44:00,129 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:44:00,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:44:00,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1956242532, now seen corresponding path program 1 times [2024-11-16 15:44:00,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:44:00,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348877771] [2024-11-16 15:44:00,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:44:00,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:44:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:44:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:44:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:44:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:44:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:44:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:44:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:44:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:44:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:44:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:44:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:44:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:44:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:44:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:44:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:44:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:44:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:44:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:44:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:44:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:44:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:44:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:44:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:44:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:44:04,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:44:04,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348877771] [2024-11-16 15:44:04,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348877771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:44:04,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:44:04,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:44:04,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524542938] [2024-11-16 15:44:04,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:44:04,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:44:04,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:44:04,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:44:04,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:44:04,530 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:44:06,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:44:06,045 INFO L93 Difference]: Finished difference Result 112 states and 147 transitions. [2024-11-16 15:44:06,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 15:44:06,045 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-16 15:44:06,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:44:06,047 INFO L225 Difference]: With dead ends: 112 [2024-11-16 15:44:06,047 INFO L226 Difference]: Without dead ends: 109 [2024-11-16 15:44:06,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-16 15:44:06,049 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 113 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 15:44:06,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 338 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 15:44:06,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-16 15:44:06,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 72. [2024-11-16 15:44:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 45 states have internal predecessors, (52), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-16 15:44:06,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 102 transitions. [2024-11-16 15:44:06,073 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 102 transitions. Word has length 141 [2024-11-16 15:44:06,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:44:06,074 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 102 transitions. [2024-11-16 15:44:06,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:44:06,074 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2024-11-16 15:44:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-16 15:44:06,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:44:06,076 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:06,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:44:06,076 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:44:06,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:44:06,077 INFO L85 PathProgramCache]: Analyzing trace with hash 531270301, now seen corresponding path program 1 times [2024-11-16 15:44:06,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:44:06,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775948670] [2024-11-16 15:44:06,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:44:06,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:44:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:44:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:44:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:44:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:44:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:44:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:44:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:44:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:44:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:44:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:44:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:44:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:44:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:44:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:44:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:44:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:44:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:44:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:44:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:44:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:44:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:44:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:44:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:44:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:08,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:44:08,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:44:08,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775948670] [2024-11-16 15:44:08,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775948670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:44:08,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:44:08,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:44:08,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624181527] [2024-11-16 15:44:08,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:44:08,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:44:08,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:44:08,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:44:08,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:44:08,936 INFO L87 Difference]: Start difference. First operand 72 states and 102 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:44:09,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:44:09,886 INFO L93 Difference]: Finished difference Result 119 states and 154 transitions. [2024-11-16 15:44:09,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 15:44:09,888 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 141 [2024-11-16 15:44:09,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:44:09,896 INFO L225 Difference]: With dead ends: 119 [2024-11-16 15:44:09,896 INFO L226 Difference]: Without dead ends: 116 [2024-11-16 15:44:09,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-16 15:44:09,897 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 99 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 15:44:09,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 368 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 15:44:09,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-16 15:44:09,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 65. [2024-11-16 15:44:09,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 39 states have internal predecessors, (46), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-16 15:44:09,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 92 transitions. [2024-11-16 15:44:09,914 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 92 transitions. Word has length 141 [2024-11-16 15:44:09,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:44:09,915 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 92 transitions. [2024-11-16 15:44:09,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:44:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2024-11-16 15:44:09,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 15:44:09,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:44:09,920 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:09,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 15:44:09,920 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:44:09,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:44:09,921 INFO L85 PathProgramCache]: Analyzing trace with hash -2058637525, now seen corresponding path program 1 times [2024-11-16 15:44:09,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:44:09,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421921998] [2024-11-16 15:44:09,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:44:09,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:44:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:44:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:44:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:44:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:44:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:44:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:44:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:44:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:44:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:44:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:44:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:44:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:44:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:44:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:44:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:44:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:44:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:44:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:44:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:44:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:44:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:44:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:44:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:44:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:13,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:44:13,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:44:13,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421921998] [2024-11-16 15:44:13,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421921998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:44:13,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:44:13,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 15:44:13,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649792609] [2024-11-16 15:44:13,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:44:13,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 15:44:13,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:44:13,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 15:44:13,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:44:13,935 INFO L87 Difference]: Start difference. First operand 65 states and 92 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:44:16,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:44:16,191 INFO L93 Difference]: Finished difference Result 139 states and 177 transitions. [2024-11-16 15:44:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 15:44:16,192 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-16 15:44:16,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:44:16,194 INFO L225 Difference]: With dead ends: 139 [2024-11-16 15:44:16,194 INFO L226 Difference]: Without dead ends: 136 [2024-11-16 15:44:16,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-11-16 15:44:16,198 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 98 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 15:44:16,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 472 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 15:44:16,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-16 15:44:16,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 71. [2024-11-16 15:44:16,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 45 states have internal predecessors, (57), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-16 15:44:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 103 transitions. [2024-11-16 15:44:16,218 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 103 transitions. Word has length 142 [2024-11-16 15:44:16,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:44:16,219 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 103 transitions. [2024-11-16 15:44:16,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:44:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 103 transitions. [2024-11-16 15:44:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 15:44:16,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:44:16,221 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:16,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 15:44:16,221 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:44:16,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:44:16,221 INFO L85 PathProgramCache]: Analyzing trace with hash -2087266676, now seen corresponding path program 1 times [2024-11-16 15:44:16,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:44:16,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943534011] [2024-11-16 15:44:16,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:44:16,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:44:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:44:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:44:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:44:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:44:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:44:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:44:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:44:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:44:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:44:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:44:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:44:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:44:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:44:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:44:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:44:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:44:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:44:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:44:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:44:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:44:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:44:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:44:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:44:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:20,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:44:20,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:44:20,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943534011] [2024-11-16 15:44:20,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943534011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:44:20,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:44:20,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 15:44:20,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187172926] [2024-11-16 15:44:20,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:44:20,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 15:44:20,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:44:20,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 15:44:20,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:44:20,429 INFO L87 Difference]: Start difference. First operand 71 states and 103 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:44:22,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:44:22,372 INFO L93 Difference]: Finished difference Result 124 states and 159 transitions. [2024-11-16 15:44:22,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 15:44:22,372 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-16 15:44:22,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:44:22,374 INFO L225 Difference]: With dead ends: 124 [2024-11-16 15:44:22,374 INFO L226 Difference]: Without dead ends: 121 [2024-11-16 15:44:22,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-16 15:44:22,377 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 82 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 15:44:22,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 419 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 15:44:22,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-16 15:44:22,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 72. [2024-11-16 15:44:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 46 states have internal predecessors, (59), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-16 15:44:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 105 transitions. [2024-11-16 15:44:22,409 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 105 transitions. Word has length 142 [2024-11-16 15:44:22,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:44:22,415 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 105 transitions. [2024-11-16 15:44:22,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:44:22,416 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2024-11-16 15:44:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 15:44:22,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:44:22,420 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:22,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 15:44:22,420 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:44:22,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:44:22,421 INFO L85 PathProgramCache]: Analyzing trace with hash 514418189, now seen corresponding path program 1 times [2024-11-16 15:44:22,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:44:22,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083633552] [2024-11-16 15:44:22,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:44:22,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:44:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:44:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:44:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:44:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:44:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:44:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:44:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:44:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:44:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:44:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:44:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:44:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:44:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:44:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:44:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:44:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:44:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:44:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:44:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:44:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:44:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:44:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:44:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 15:44:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:44:29,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-16 15:44:29,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:44:29,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083633552] [2024-11-16 15:44:29,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083633552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:44:29,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:44:29,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 15:44:29,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10328283] [2024-11-16 15:44:29,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:44:29,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 15:44:29,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:44:29,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 15:44:29,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:44:29,360 INFO L87 Difference]: Start difference. First operand 72 states and 105 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:44:32,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:44:32,032 INFO L93 Difference]: Finished difference Result 134 states and 171 transitions. [2024-11-16 15:44:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 15:44:32,032 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2024-11-16 15:44:32,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:44:32,035 INFO L225 Difference]: With dead ends: 134 [2024-11-16 15:44:32,035 INFO L226 Difference]: Without dead ends: 131 [2024-11-16 15:44:32,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2024-11-16 15:44:32,037 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 105 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:44:32,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 388 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 15:44:32,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-16 15:44:32,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 73. [2024-11-16 15:44:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 47 states have (on average 1.297872340425532) internal successors, (61), 47 states have internal predecessors, (61), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-16 15:44:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2024-11-16 15:44:32,067 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 142 [2024-11-16 15:44:32,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:44:32,067 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2024-11-16 15:44:32,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-16 15:44:32,068 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2024-11-16 15:44:32,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-16 15:44:32,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:44:32,069 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:32,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 15:44:32,070 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:44:32,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:44:32,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1401921870, now seen corresponding path program 1 times [2024-11-16 15:44:32,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:44:32,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4982030] [2024-11-16 15:44:32,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:44:32,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:44:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat