./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bcbe3dc24022b24f123b951a18829c99d17fb6c84443031a1458b3b1b90464fa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:39:14,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:39:14,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:39:14,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:39:14,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:39:14,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:39:14,864 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:39:14,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:39:14,865 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:39:14,866 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:39:14,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:39:14,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:39:14,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:39:14,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:39:14,869 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:39:14,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:39:14,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:39:14,870 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:39:14,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:39:14,870 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:39:14,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:39:14,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:39:14,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:39:14,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:39:14,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:39:14,875 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:39:14,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:39:14,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:39:14,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:39:14,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:39:14,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:39:14,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:39:14,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:39:14,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:39:14,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:39:14,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:39:14,878 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:39:14,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:39:14,878 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:39:14,879 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:39:14,879 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:39:14,880 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:39:14,880 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbe3dc24022b24f123b951a18829c99d17fb6c84443031a1458b3b1b90464fa [2024-10-24 07:39:15,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:39:15,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:39:15,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:39:15,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:39:15,169 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:39:15,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i [2024-10-24 07:39:16,640 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:39:16,869 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:39:16,869 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i [2024-10-24 07:39:16,885 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d68eafd/b1ac94614cb24302aa9dae7d0ae9870e/FLAGa8688d342 [2024-10-24 07:39:17,221 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d68eafd/b1ac94614cb24302aa9dae7d0ae9870e [2024-10-24 07:39:17,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:39:17,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:39:17,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:39:17,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:39:17,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:39:17,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779d00b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17, skipping insertion in model container [2024-10-24 07:39:17,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:39:17,424 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i[919,932] [2024-10-24 07:39:17,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:39:17,511 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:39:17,524 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i[919,932] [2024-10-24 07:39:17,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:39:17,613 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:39:17,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17 WrapperNode [2024-10-24 07:39:17,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:39:17,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:39:17,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:39:17,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:39:17,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,731 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239 [2024-10-24 07:39:17,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:39:17,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:39:17,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:39:17,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:39:17,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,746 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,761 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]. [2024-10-24 07:39:17,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:39:17,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:39:17,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:39:17,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:39:17,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (1/1) ... [2024-10-24 07:39:17,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:39:17,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:39:17,834 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) [2024-10-24 07:39:17,838 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 [2024-10-24 07:39:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:39:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:39:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:39:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:39:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:39:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:39:18,006 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:39:18,008 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:39:18,435 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-24 07:39:18,436 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:39:18,483 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:39:18,483 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:39:18,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:39:18 BoogieIcfgContainer [2024-10-24 07:39:18,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:39:18,488 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:39:18,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:39:18,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:39:18,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:39:17" (1/3) ... [2024-10-24 07:39:18,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6eb364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:39:18, skipping insertion in model container [2024-10-24 07:39:18,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:39:17" (2/3) ... [2024-10-24 07:39:18,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6eb364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:39:18, skipping insertion in model container [2024-10-24 07:39:18,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:39:18" (3/3) ... [2024-10-24 07:39:18,495 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-45.i [2024-10-24 07:39:18,512 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:39:18,513 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:39:18,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:39:18,597 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;@486aea3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:39:18,597 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:39:18,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-24 07:39:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-10-24 07:39:18,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:39:18,616 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:39:18,616 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:39:18,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:39:18,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1193448130, now seen corresponding path program 1 times [2024-10-24 07:39:18,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:39:18,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429083029] [2024-10-24 07:39:18,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:39:18,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:39:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:39:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:39:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:39:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:39:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:39:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:39:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:39:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:39:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:39:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:39:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:39:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:39:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:39:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:39:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:39:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:39:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:39:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:39:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:39:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:39:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:39:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:39:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 07:39:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:39:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:39:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 07:39:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:39:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:39:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 07:39:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 07:39:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 07:39:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 07:39:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 07:39:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 07:39:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 07:39:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 07:39:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 07:39:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 07:39:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 07:39:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 07:39:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 07:39:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-24 07:39:19,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:39:19,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429083029] [2024-10-24 07:39:19,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429083029] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:39:19,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:39:19,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:39:19,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817953929] [2024-10-24 07:39:19,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:39:19,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:39:19,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:39:19,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:39:19,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:39:19,579 INFO L87 Difference]: Start difference. First operand has 100 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 57 states have internal predecessors, (80), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-24 07:39:19,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:39:19,703 INFO L93 Difference]: Finished difference Result 250 states and 466 transitions. [2024-10-24 07:39:19,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:39:19,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 250 [2024-10-24 07:39:19,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:39:19,723 INFO L225 Difference]: With dead ends: 250 [2024-10-24 07:39:19,723 INFO L226 Difference]: Without dead ends: 151 [2024-10-24 07:39:19,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:39:19,733 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 76 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:39:19,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 341 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:39:19,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-24 07:39:19,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 148. [2024-10-24 07:39:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 88 states have (on average 1.3863636363636365) internal successors, (122), 89 states have internal predecessors, (122), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-24 07:39:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 236 transitions. [2024-10-24 07:39:19,828 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 236 transitions. Word has length 250 [2024-10-24 07:39:19,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:39:19,833 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 236 transitions. [2024-10-24 07:39:19,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-24 07:39:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 236 transitions. [2024-10-24 07:39:19,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-10-24 07:39:19,844 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:39:19,845 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:39:19,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:39:19,845 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:39:19,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:39:19,846 INFO L85 PathProgramCache]: Analyzing trace with hash 182330880, now seen corresponding path program 1 times [2024-10-24 07:39:19,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:39:19,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833847603] [2024-10-24 07:39:19,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:39:19,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:39:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:39:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:39:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:39:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:39:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:39:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:39:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:39:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:39:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:39:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:39:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:39:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:39:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:39:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:39:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:39:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:39:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:39:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:39:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:39:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:39:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:39:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:39:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 07:39:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:39:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:39:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 07:39:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:39:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:39:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 07:39:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 07:39:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 07:39:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 07:39:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 07:39:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 07:39:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 07:39:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 07:39:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 07:39:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 07:39:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 07:39:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 07:39:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 07:39:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-24 07:39:20,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:39:20,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833847603] [2024-10-24 07:39:20,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833847603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:39:20,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:39:20,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:39:20,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367492810] [2024-10-24 07:39:20,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:39:20,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:39:20,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:39:20,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:39:20,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:39:20,259 INFO L87 Difference]: Start difference. First operand 148 states and 236 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-24 07:39:20,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:39:20,338 INFO L93 Difference]: Finished difference Result 436 states and 694 transitions. [2024-10-24 07:39:20,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:39:20,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 250 [2024-10-24 07:39:20,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:39:20,349 INFO L225 Difference]: With dead ends: 436 [2024-10-24 07:39:20,350 INFO L226 Difference]: Without dead ends: 289 [2024-10-24 07:39:20,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:39:20,353 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 144 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:39:20,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 306 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:39:20,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-24 07:39:20,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 287. [2024-10-24 07:39:20,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 168 states have (on average 1.3333333333333333) internal successors, (224), 170 states have internal predecessors, (224), 114 states have call successors, (114), 4 states have call predecessors, (114), 4 states have return successors, (114), 112 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-24 07:39:20,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 452 transitions. [2024-10-24 07:39:20,419 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 452 transitions. Word has length 250 [2024-10-24 07:39:20,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:39:20,420 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 452 transitions. [2024-10-24 07:39:20,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-24 07:39:20,420 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 452 transitions. [2024-10-24 07:39:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-24 07:39:20,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:39:20,424 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:39:20,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:39:20,425 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:39:20,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:39:20,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1607842370, now seen corresponding path program 1 times [2024-10-24 07:39:20,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:39:20,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176530528] [2024-10-24 07:39:20,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:39:20,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:39:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:39:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:39:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:39:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:39:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:39:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:39:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:39:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:39:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:39:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:39:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:39:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:39:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:39:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:39:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:39:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:39:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:39:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:39:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:39:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:39:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:39:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:39:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 07:39:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:39:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:39:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 07:39:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:39:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:39:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 07:39:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 07:39:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 07:39:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 07:39:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 07:39:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 07:39:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 07:39:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 07:39:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 07:39:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 07:39:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 07:39:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 07:39:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 07:39:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:36,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-24 07:39:36,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:39:36,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176530528] [2024-10-24 07:39:36,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176530528] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:39:36,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:39:36,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:39:36,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416298929] [2024-10-24 07:39:36,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:39:36,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:39:36,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:39:36,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:39:36,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:39:36,170 INFO L87 Difference]: Start difference. First operand 287 states and 452 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-24 07:39:36,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:39:36,672 INFO L93 Difference]: Finished difference Result 841 states and 1303 transitions. [2024-10-24 07:39:36,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:39:36,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 251 [2024-10-24 07:39:36,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:39:36,684 INFO L225 Difference]: With dead ends: 841 [2024-10-24 07:39:36,684 INFO L226 Difference]: Without dead ends: 555 [2024-10-24 07:39:36,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:39:36,689 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 109 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 07:39:36,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 386 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 07:39:36,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-10-24 07:39:36,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 457. [2024-10-24 07:39:36,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 302 states have (on average 1.3973509933774835) internal successors, (422), 308 states have internal predecessors, (422), 146 states have call successors, (146), 8 states have call predecessors, (146), 8 states have return successors, (146), 140 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-24 07:39:36,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 714 transitions. [2024-10-24 07:39:36,796 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 714 transitions. Word has length 251 [2024-10-24 07:39:36,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:39:36,797 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 714 transitions. [2024-10-24 07:39:36,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-24 07:39:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 714 transitions. [2024-10-24 07:39:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-24 07:39:36,804 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:39:36,804 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:39:36,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:39:36,805 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:39:36,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:39:36,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1986060348, now seen corresponding path program 1 times [2024-10-24 07:39:36,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:39:36,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511765188] [2024-10-24 07:39:36,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:39:36,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:39:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:39:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:39:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:39:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:39:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:39:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:39:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:39:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:39:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:39:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:39:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:39:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:39:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 07:39:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:39:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 07:39:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:39:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 07:39:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:39:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 07:39:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 07:39:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 07:39:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 07:39:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 07:39:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 07:39:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 07:39:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 07:39:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 07:39:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 07:39:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 07:39:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 07:39:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 07:39:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 07:39:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 07:39:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 07:39:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 07:39:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 07:39:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 07:39:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-24 07:39:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 07:39:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 07:39:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 07:39:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:39:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-24 07:39:38,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:39:38,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511765188] [2024-10-24 07:39:38,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511765188] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:39:38,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:39:38,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:39:38,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015677821] [2024-10-24 07:39:38,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:39:38,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:39:38,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:39:38,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:39:38,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:39:38,769 INFO L87 Difference]: Start difference. First operand 457 states and 714 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-24 07:39:39,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:39:39,340 INFO L93 Difference]: Finished difference Result 1011 states and 1563 transitions. [2024-10-24 07:39:39,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:39:39,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 251 [2024-10-24 07:39:39,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:39:39,351 INFO L225 Difference]: With dead ends: 1011 [2024-10-24 07:39:39,352 INFO L226 Difference]: Without dead ends: 555 [2024-10-24 07:39:39,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:39:39,357 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 98 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 07:39:39,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 532 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 07:39:39,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-10-24 07:39:39,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 439. [2024-10-24 07:39:39,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 284 states have (on average 1.380281690140845) internal successors, (392), 290 states have internal predecessors, (392), 146 states have call successors, (146), 8 states have call predecessors, (146), 8 states have return successors, (146), 140 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-24 07:39:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 684 transitions. [2024-10-24 07:39:39,485 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 684 transitions. Word has length 251 [2024-10-24 07:39:39,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:39:39,486 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 684 transitions. [2024-10-24 07:39:39,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-24 07:39:39,486 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 684 transitions. [2024-10-24 07:39:39,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-24 07:39:39,490 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:39:39,490 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:39:39,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 07:39:39,491 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:39:39,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:39:39,491 INFO L85 PathProgramCache]: Analyzing trace with hash -635366722, now seen corresponding path program 1 times [2024-10-24 07:39:39,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:39:39,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351189482] [2024-10-24 07:39:39,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:39:39,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:39:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat