./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-ps-cn_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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-ps-cn_file-86.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 23a05992f4024df2d983a8fb4ad6ac19034ad7c6bce98692b4d6369898cca580 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:24:45,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:24:45,407 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 05:24:45,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:24:45,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:24:45,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:24:45,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:24:45,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:24:45,445 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:24:45,449 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:24:45,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:24:45,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:24:45,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:24:45,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:24:45,450 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:24:45,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:24:45,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:24:45,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:24:45,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 05:24:45,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:24:45,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:24:45,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:24:45,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:24:45,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:24:45,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:24:45,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:24:45,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:24:45,453 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:24:45,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:24:45,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:24:45,453 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:24:45,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:24:45,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:24:45,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:24:45,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:24:45,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:24:45,454 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 05:24:45,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 05:24:45,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:24:45,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:24:45,455 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:24:45,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:24:45,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23a05992f4024df2d983a8fb4ad6ac19034ad7c6bce98692b4d6369898cca580 [2024-11-20 05:24:45,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:24:45,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:24:45,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:24:45,698 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:24:45,699 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:24:45,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i [2024-11-20 05:24:47,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:24:47,221 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:24:47,222 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i [2024-11-20 05:24:47,232 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52c32380/779bbdced7bc4920aaa6da71ea863bd3/FLAGd2a12f0e8 [2024-11-20 05:24:47,248 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52c32380/779bbdced7bc4920aaa6da71ea863bd3 [2024-11-20 05:24:47,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:24:47,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:24:47,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:24:47,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:24:47,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:24:47,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8fbd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47, skipping insertion in model container [2024-11-20 05:24:47,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:24:47,457 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i[919,932] [2024-11-20 05:24:47,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:24:47,547 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:24:47,559 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i[919,932] [2024-11-20 05:24:47,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:24:47,598 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:24:47,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47 WrapperNode [2024-11-20 05:24:47,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:24:47,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:24:47,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:24:47,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:24:47,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,667 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-11-20 05:24:47,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:24:47,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:24:47,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:24:47,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:24:47,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,690 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,720 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]. [2024-11-20 05:24:47,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:24:47,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:24:47,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:24:47,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:24:47,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (1/1) ... [2024-11-20 05:24:47,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:24:47,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:24:47,781 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) [2024-11-20 05:24:47,783 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 [2024-11-20 05:24:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:24:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:24:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:24:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 05:24:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:24:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:24:47,895 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:24:47,897 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:24:48,359 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-20 05:24:48,360 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:24:48,375 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:24:48,376 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:24:48,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:48 BoogieIcfgContainer [2024-11-20 05:24:48,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:24:48,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:24:48,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:24:48,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:24:48,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:24:47" (1/3) ... [2024-11-20 05:24:48,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e5b602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:24:48, skipping insertion in model container [2024-11-20 05:24:48,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:24:47" (2/3) ... [2024-11-20 05:24:48,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e5b602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:24:48, skipping insertion in model container [2024-11-20 05:24:48,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:24:48" (3/3) ... [2024-11-20 05:24:48,386 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i [2024-11-20 05:24:48,404 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:24:48,404 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:24:48,473 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:24:48,479 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;@271eb97a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:24:48,480 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:24:48,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 05:24:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 05:24:48,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:24:48,498 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:24:48,499 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:24:48,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:24:48,503 INFO L85 PathProgramCache]: Analyzing trace with hash 750140910, now seen corresponding path program 1 times [2024-11-20 05:24:48,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:24:48,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646775507] [2024-11-20 05:24:48,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:24:48,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:24:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:24:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:24:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:24:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:24:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:24:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:24:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:24:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:24:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:24:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:24:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:24:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:24:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:24:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:24:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:24:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:24:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:24:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:24:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:24:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:24:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:24:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:24:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:24:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:24:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:48,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:24:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:24:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:24:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:24:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:24:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:24:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:24:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:24:49,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:24:49,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646775507] [2024-11-20 05:24:49,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646775507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:24:49,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:24:49,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:24:49,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867097641] [2024-11-20 05:24:49,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:24:49,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:24:49,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:24:49,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:24:49,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:24:49,078 INFO L87 Difference]: Start difference. First operand has 104 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 05:24:49,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:24:49,113 INFO L93 Difference]: Finished difference Result 201 states and 355 transitions. [2024-11-20 05:24:49,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:24:49,116 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 197 [2024-11-20 05:24:49,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:24:49,126 INFO L225 Difference]: With dead ends: 201 [2024-11-20 05:24:49,128 INFO L226 Difference]: Without dead ends: 100 [2024-11-20 05:24:49,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:24:49,135 INFO L432 NwaCegarLoop]: 157 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, 157 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 [2024-11-20 05:24:49,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:24:49,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-20 05:24:49,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-20 05:24:49,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 05:24:49,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 157 transitions. [2024-11-20 05:24:49,180 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 157 transitions. Word has length 197 [2024-11-20 05:24:49,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:24:49,181 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 157 transitions. [2024-11-20 05:24:49,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 05:24:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 157 transitions. [2024-11-20 05:24:49,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 05:24:49,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:24:49,185 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:24:49,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 05:24:49,185 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:24:49,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:24:49,186 INFO L85 PathProgramCache]: Analyzing trace with hash -263955024, now seen corresponding path program 1 times [2024-11-20 05:24:49,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:24:49,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904113611] [2024-11-20 05:24:49,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:24:49,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:24:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:24:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:24:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:24:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:24:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:24:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:24:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:24:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:24:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:24:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:24:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:24:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:24:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:24:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:24:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:24:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:24:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:24:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:24:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:24:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:24:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:24:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:24:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:24:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:24:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:24:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:24:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:24:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:24:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:24:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:24:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:24:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:24:49,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:24:49,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904113611] [2024-11-20 05:24:49,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904113611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:24:49,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:24:49,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 05:24:49,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534544077] [2024-11-20 05:24:49,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:24:49,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 05:24:49,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:24:49,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 05:24:49,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:24:49,577 INFO L87 Difference]: Start difference. First operand 100 states and 157 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:24:49,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:24:49,648 INFO L93 Difference]: Finished difference Result 198 states and 313 transitions. [2024-11-20 05:24:49,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 05:24:49,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2024-11-20 05:24:49,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:24:49,655 INFO L225 Difference]: With dead ends: 198 [2024-11-20 05:24:49,655 INFO L226 Difference]: Without dead ends: 101 [2024-11-20 05:24:49,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:24:49,661 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:24:49,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 306 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:24:49,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-20 05:24:49,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-20 05:24:49,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 68 states have (on average 1.411764705882353) internal successors, (96), 68 states have internal predecessors, (96), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 05:24:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 158 transitions. [2024-11-20 05:24:49,680 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 158 transitions. Word has length 197 [2024-11-20 05:24:49,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:24:49,681 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 158 transitions. [2024-11-20 05:24:49,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:24:49,681 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2024-11-20 05:24:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 05:24:49,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:24:49,685 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:24:49,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 05:24:49,687 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:24:49,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:24:49,688 INFO L85 PathProgramCache]: Analyzing trace with hash 2036867566, now seen corresponding path program 1 times [2024-11-20 05:24:49,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:24:49,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400383497] [2024-11-20 05:24:49,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:24:49,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:24:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:24:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:24:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:24:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:24:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:24:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:24:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:24:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:24:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:24:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:24:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:24:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:24:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:24:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:24:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:24:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:24:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:24:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:24:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:24:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:24:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:24:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:24:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:24:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:24:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:24:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:24:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:24:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:24:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:24:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:24:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:24:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:54,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:24:54,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:24:54,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400383497] [2024-11-20 05:24:54,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400383497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:24:54,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:24:54,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 05:24:54,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4901160] [2024-11-20 05:24:54,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:24:54,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 05:24:54,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:24:54,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 05:24:54,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-20 05:24:54,523 INFO L87 Difference]: Start difference. First operand 101 states and 158 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:24:55,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:24:55,708 INFO L93 Difference]: Finished difference Result 383 states and 590 transitions. [2024-11-20 05:24:55,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 05:24:55,709 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2024-11-20 05:24:55,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:24:55,716 INFO L225 Difference]: With dead ends: 383 [2024-11-20 05:24:55,716 INFO L226 Difference]: Without dead ends: 285 [2024-11-20 05:24:55,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2024-11-20 05:24:55,718 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 424 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 05:24:55,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1000 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 05:24:55,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-20 05:24:55,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 199. [2024-11-20 05:24:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 134 states have (on average 1.3955223880597014) internal successors, (187), 134 states have internal predecessors, (187), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-20 05:24:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 311 transitions. [2024-11-20 05:24:55,758 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 311 transitions. Word has length 197 [2024-11-20 05:24:55,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:24:55,758 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 311 transitions. [2024-11-20 05:24:55,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:24:55,759 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 311 transitions. [2024-11-20 05:24:55,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 05:24:55,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:24:55,761 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:24:55,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 05:24:55,761 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:24:55,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:24:55,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1557035152, now seen corresponding path program 1 times [2024-11-20 05:24:55,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:24:55,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11253465] [2024-11-20 05:24:55,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:24:55,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:24:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:24:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:24:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:24:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:24:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:24:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:24:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:24:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:24:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:24:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:24:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:24:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:24:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:24:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:24:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:24:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:24:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:24:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:24:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:24:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:24:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:24:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:24:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:24:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:24:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:24:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:24:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:24:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:24:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:24:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:24:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:24:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:55,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:24:55,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:24:55,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11253465] [2024-11-20 05:24:55,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11253465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:24:55,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:24:55,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 05:24:55,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15101271] [2024-11-20 05:24:55,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:24:55,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 05:24:55,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:24:55,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 05:24:55,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:24:55,925 INFO L87 Difference]: Start difference. First operand 199 states and 311 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:24:55,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:24:55,962 INFO L93 Difference]: Finished difference Result 394 states and 619 transitions. [2024-11-20 05:24:55,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 05:24:55,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2024-11-20 05:24:55,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:24:55,966 INFO L225 Difference]: With dead ends: 394 [2024-11-20 05:24:55,966 INFO L226 Difference]: Without dead ends: 296 [2024-11-20 05:24:55,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:24:55,968 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 148 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:24:55,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 314 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:24:55,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-20 05:24:55,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 294. [2024-11-20 05:24:56,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 197 states have (on average 1.3908629441624365) internal successors, (274), 197 states have internal predecessors, (274), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-20 05:24:56,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 460 transitions. [2024-11-20 05:24:56,007 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 460 transitions. Word has length 197 [2024-11-20 05:24:56,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:24:56,007 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 460 transitions. [2024-11-20 05:24:56,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:24:56,008 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 460 transitions. [2024-11-20 05:24:56,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-20 05:24:56,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:24:56,009 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:24:56,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 05:24:56,009 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:24:56,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:24:56,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1246982480, now seen corresponding path program 1 times [2024-11-20 05:24:56,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:24:56,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314552246] [2024-11-20 05:24:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:24:56,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:24:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:24:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:24:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:24:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:24:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:24:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:24:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:24:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:24:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:24:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:24:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:24:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:24:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:24:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:24:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:24:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:24:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:24:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:24:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:24:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:24:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:24:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:24:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:24:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:24:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:24:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:24:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:24:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:24:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:24:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:24:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:24:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:24:56,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:24:56,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:24:56,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314552246] [2024-11-20 05:24:56,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314552246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:24:56,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:24:56,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 05:24:56,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112984529] [2024-11-20 05:24:56,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:24:56,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 05:24:56,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:24:56,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 05:24:56,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 05:24:56,233 INFO L87 Difference]: Start difference. First operand 294 states and 460 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:24:56,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:24:56,411 INFO L93 Difference]: Finished difference Result 510 states and 792 transitions. [2024-11-20 05:24:56,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 05:24:56,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2024-11-20 05:24:56,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:24:56,414 INFO L225 Difference]: With dead ends: 510 [2024-11-20 05:24:56,414 INFO L226 Difference]: Without dead ends: 314 [2024-11-20 05:24:56,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 05:24:56,416 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 149 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 05:24:56,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 535 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 05:24:56,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-20 05:24:56,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 292. [2024-11-20 05:24:56,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 195 states have (on average 1.3846153846153846) internal successors, (270), 195 states have internal predecessors, (270), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-20 05:24:56,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 456 transitions. [2024-11-20 05:24:56,437 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 456 transitions. Word has length 197 [2024-11-20 05:24:56,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:24:56,437 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 456 transitions. [2024-11-20 05:24:56,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:24:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 456 transitions. [2024-11-20 05:24:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-20 05:24:56,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:24:56,439 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:24:56,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 05:24:56,439 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:24:56,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:24:56,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1228112962, now seen corresponding path program 1 times [2024-11-20 05:24:56,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:24:56,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678689671] [2024-11-20 05:24:56,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:24:56,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:24:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:25:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:25:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:25:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:25:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:25:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:25:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:25:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:25:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:25:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:25:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:25:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:25:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:25:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:25:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:25:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:25:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:25:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:25:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:25:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:25:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:25:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:25:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:25:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:25:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:25:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:25:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:25:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:25:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:25:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:25:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:25:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:01,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:25:01,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:25:01,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678689671] [2024-11-20 05:25:01,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678689671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:25:01,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:25:01,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 05:25:01,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67578621] [2024-11-20 05:25:01,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:25:01,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 05:25:01,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:25:01,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 05:25:01,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-20 05:25:01,880 INFO L87 Difference]: Start difference. First operand 292 states and 456 transitions. Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:25:05,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:25:05,313 INFO L93 Difference]: Finished difference Result 342 states and 514 transitions. [2024-11-20 05:25:05,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 05:25:05,314 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-20 05:25:05,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:25:05,316 INFO L225 Difference]: With dead ends: 342 [2024-11-20 05:25:05,316 INFO L226 Difference]: Without dead ends: 340 [2024-11-20 05:25:05,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2024-11-20 05:25:05,321 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 335 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 05:25:05,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 1046 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 05:25:05,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-20 05:25:05,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 293. [2024-11-20 05:25:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 196 states have (on average 1.3826530612244898) internal successors, (271), 196 states have internal predecessors, (271), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-20 05:25:05,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 457 transitions. [2024-11-20 05:25:05,347 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 457 transitions. Word has length 198 [2024-11-20 05:25:05,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:25:05,347 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 457 transitions. [2024-11-20 05:25:05,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:25:05,348 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 457 transitions. [2024-11-20 05:25:05,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-20 05:25:05,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:25:05,350 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:25:05,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 05:25:05,351 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:25:05,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:25:05,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1440270376, now seen corresponding path program 1 times [2024-11-20 05:25:05,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:25:05,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525837718] [2024-11-20 05:25:05,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:25:05,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:25:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:25:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:25:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:25:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:25:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:25:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:25:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:25:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:25:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:25:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:25:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:25:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:25:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:25:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:25:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:25:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:25:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:25:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:25:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:25:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:25:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:25:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:25:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:25:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:25:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:25:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:25:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:25:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:25:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:25:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:25:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:25:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:25:05,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:25:05,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525837718] [2024-11-20 05:25:05,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525837718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:25:05,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:25:05,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:25:05,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940288304] [2024-11-20 05:25:05,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:25:05,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:25:05,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:25:05,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:25:05,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:25:05,558 INFO L87 Difference]: Start difference. First operand 293 states and 457 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:25:05,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:25:05,580 INFO L93 Difference]: Finished difference Result 497 states and 776 transitions. [2024-11-20 05:25:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:25:05,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-20 05:25:05,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:25:05,583 INFO L225 Difference]: With dead ends: 497 [2024-11-20 05:25:05,583 INFO L226 Difference]: Without dead ends: 301 [2024-11-20 05:25:05,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:25:05,587 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 6 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:25:05,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 305 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:25:05,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-20 05:25:05,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 293. [2024-11-20 05:25:05,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 196 states have (on average 1.3673469387755102) internal successors, (268), 196 states have internal predecessors, (268), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-20 05:25:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 454 transitions. [2024-11-20 05:25:05,610 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 454 transitions. Word has length 198 [2024-11-20 05:25:05,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:25:05,610 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 454 transitions. [2024-11-20 05:25:05,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:25:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 454 transitions. [2024-11-20 05:25:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-20 05:25:05,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:25:05,613 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:25:05,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 05:25:05,613 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:25:05,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:25:05,614 INFO L85 PathProgramCache]: Analyzing trace with hash 334736986, now seen corresponding path program 1 times [2024-11-20 05:25:05,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:25:05,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756932586] [2024-11-20 05:25:05,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:25:05,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:25:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:25:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:25:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:25:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:25:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:25:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:25:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:25:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:25:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:25:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:25:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:25:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:25:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:25:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:25:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:25:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:25:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:25:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:25:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:25:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:25:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:25:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:25:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:25:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:25:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:25:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:25:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:25:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:25:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:25:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:25:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:25:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:09,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:25:09,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:25:09,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756932586] [2024-11-20 05:25:09,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756932586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:25:09,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:25:09,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 05:25:09,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641692370] [2024-11-20 05:25:09,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:25:09,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 05:25:09,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:25:09,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 05:25:09,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-20 05:25:09,783 INFO L87 Difference]: Start difference. First operand 293 states and 454 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 05:25:12,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:25:12,952 INFO L93 Difference]: Finished difference Result 347 states and 514 transitions. [2024-11-20 05:25:12,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 05:25:12,952 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2024-11-20 05:25:12,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:25:12,955 INFO L225 Difference]: With dead ends: 347 [2024-11-20 05:25:12,955 INFO L226 Difference]: Without dead ends: 345 [2024-11-20 05:25:12,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=276, Invalid=846, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 05:25:12,957 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 278 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 1471 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 05:25:12,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 1471 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 05:25:12,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-20 05:25:12,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 293. [2024-11-20 05:25:12,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 196 states have (on average 1.3673469387755102) internal successors, (268), 196 states have internal predecessors, (268), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-20 05:25:12,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 454 transitions. [2024-11-20 05:25:12,979 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 454 transitions. Word has length 198 [2024-11-20 05:25:12,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:25:12,979 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 454 transitions. [2024-11-20 05:25:12,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 05:25:12,979 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 454 transitions. [2024-11-20 05:25:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-20 05:25:12,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:25:12,982 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:25:12,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 05:25:12,982 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:25:12,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:25:12,983 INFO L85 PathProgramCache]: Analyzing trace with hash -109385737, now seen corresponding path program 1 times [2024-11-20 05:25:12,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:25:12,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399908316] [2024-11-20 05:25:12,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:25:12,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:25:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:25:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:25:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:25:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:25:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:25:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:25:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:25:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:25:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:25:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:25:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:25:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:25:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:25:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:25:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:25:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:25:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:25:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:25:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:25:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:25:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:25:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:25:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:25:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:25:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:25:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:25:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:25:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:25:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:25:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:25:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:25:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:25:19,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:25:19,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399908316] [2024-11-20 05:25:19,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399908316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:25:19,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:25:19,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 05:25:19,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867430393] [2024-11-20 05:25:19,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:25:19,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 05:25:19,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:25:19,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 05:25:19,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-20 05:25:19,946 INFO L87 Difference]: Start difference. First operand 293 states and 454 transitions. Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:25:26,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:25:26,711 INFO L93 Difference]: Finished difference Result 363 states and 533 transitions. [2024-11-20 05:25:26,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 05:25:26,712 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-20 05:25:26,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:25:26,714 INFO L225 Difference]: With dead ends: 363 [2024-11-20 05:25:26,714 INFO L226 Difference]: Without dead ends: 361 [2024-11-20 05:25:26,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2024-11-20 05:25:26,715 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 383 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 05:25:26,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 844 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 05:25:26,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-20 05:25:26,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 303. [2024-11-20 05:25:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 206 states have (on average 1.3640776699029127) internal successors, (281), 206 states have internal predecessors, (281), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-20 05:25:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 467 transitions. [2024-11-20 05:25:26,735 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 467 transitions. Word has length 198 [2024-11-20 05:25:26,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:25:26,736 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 467 transitions. [2024-11-20 05:25:26,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:25:26,736 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 467 transitions. [2024-11-20 05:25:26,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-20 05:25:26,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:25:26,738 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:25:26,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 05:25:26,738 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:25:26,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:25:26,738 INFO L85 PathProgramCache]: Analyzing trace with hash 570672633, now seen corresponding path program 1 times [2024-11-20 05:25:26,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:25:26,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788564694] [2024-11-20 05:25:26,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:25:26,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:25:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:25:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:25:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:25:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:25:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:25:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:25:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:25:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:25:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:25:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:25:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:25:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:25:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:25:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:25:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:25:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:25:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:25:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:25:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:25:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:25:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:25:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:25:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:25:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:25:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:25:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:25:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:25:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:25:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:25:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:25:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:25:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:25:32,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:25:32,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788564694] [2024-11-20 05:25:32,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788564694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:25:32,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:25:32,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 05:25:32,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217012722] [2024-11-20 05:25:32,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:25:32,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 05:25:32,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:25:32,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 05:25:32,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-20 05:25:32,876 INFO L87 Difference]: Start difference. First operand 303 states and 467 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:25:38,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:25:38,894 INFO L93 Difference]: Finished difference Result 357 states and 527 transitions. [2024-11-20 05:25:38,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 05:25:38,896 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-20 05:25:38,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:25:38,898 INFO L225 Difference]: With dead ends: 357 [2024-11-20 05:25:38,898 INFO L226 Difference]: Without dead ends: 355 [2024-11-20 05:25:38,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2024-11-20 05:25:38,899 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 354 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-20 05:25:38,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1072 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-20 05:25:38,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-20 05:25:38,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 303. [2024-11-20 05:25:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 206 states have (on average 1.3640776699029127) internal successors, (281), 206 states have internal predecessors, (281), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-20 05:25:38,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 467 transitions. [2024-11-20 05:25:38,915 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 467 transitions. Word has length 198 [2024-11-20 05:25:38,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:25:38,916 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 467 transitions. [2024-11-20 05:25:38,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:25:38,916 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 467 transitions. [2024-11-20 05:25:38,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-20 05:25:38,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:25:38,917 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:25:38,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 05:25:38,918 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:25:38,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:25:38,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1840413906, now seen corresponding path program 1 times [2024-11-20 05:25:38,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:25:38,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523230802] [2024-11-20 05:25:38,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:25:38,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:25:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:25:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:25:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:25:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:25:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:25:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:25:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:25:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:25:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:25:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:25:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:25:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:25:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:25:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:25:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:25:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:25:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:25:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:25:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:25:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:25:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:25:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:25:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:25:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:25:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:25:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:25:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:25:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:25:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:25:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:25:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:25:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:25:44,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:25:44,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523230802] [2024-11-20 05:25:44,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523230802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:25:44,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:25:44,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 05:25:44,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518491653] [2024-11-20 05:25:44,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:25:44,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 05:25:44,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:25:44,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 05:25:44,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-20 05:25:44,399 INFO L87 Difference]: Start difference. First operand 303 states and 467 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:25:47,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:25:47,358 INFO L93 Difference]: Finished difference Result 345 states and 513 transitions. [2024-11-20 05:25:47,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 05:25:47,359 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-20 05:25:47,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:25:47,362 INFO L225 Difference]: With dead ends: 345 [2024-11-20 05:25:47,362 INFO L226 Difference]: Without dead ends: 343 [2024-11-20 05:25:47,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=212, Invalid=658, Unknown=0, NotChecked=0, Total=870 [2024-11-20 05:25:47,366 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 399 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 05:25:47,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 917 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 05:25:47,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-20 05:25:47,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 300. [2024-11-20 05:25:47,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 203 states have (on average 1.3645320197044335) internal successors, (277), 203 states have internal predecessors, (277), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-20 05:25:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 463 transitions. [2024-11-20 05:25:47,386 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 463 transitions. Word has length 199 [2024-11-20 05:25:47,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:25:47,386 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 463 transitions. [2024-11-20 05:25:47,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:25:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 463 transitions. [2024-11-20 05:25:47,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-20 05:25:47,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:25:47,388 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:25:47,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 05:25:47,388 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:25:47,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:25:47,388 INFO L85 PathProgramCache]: Analyzing trace with hash 959358423, now seen corresponding path program 1 times [2024-11-20 05:25:47,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:25:47,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77570689] [2024-11-20 05:25:47,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:25:47,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:25:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:25:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:25:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:25:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:25:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:25:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:25:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:25:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:25:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:25:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:25:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:25:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:25:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:25:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:25:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:25:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:25:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:25:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:25:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:25:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:25:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:25:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:25:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:25:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:25:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:25:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:25:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:25:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:25:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:25:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:25:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:25:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:25:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:25:56,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:25:56,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77570689] [2024-11-20 05:25:56,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77570689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:25:56,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:25:56,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 05:25:56,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736829460] [2024-11-20 05:25:56,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:25:56,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 05:25:56,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:25:56,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 05:25:56,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-20 05:25:56,602 INFO L87 Difference]: Start difference. First operand 300 states and 463 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:26:05,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:26:05,164 INFO L93 Difference]: Finished difference Result 358 states and 528 transitions. [2024-11-20 05:26:05,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 05:26:05,165 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-20 05:26:05,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:26:05,167 INFO L225 Difference]: With dead ends: 358 [2024-11-20 05:26:05,167 INFO L226 Difference]: Without dead ends: 356 [2024-11-20 05:26:05,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=294, Invalid=762, Unknown=0, NotChecked=0, Total=1056 [2024-11-20 05:26:05,170 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 286 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:26:05,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1108 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-20 05:26:05,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-20 05:26:05,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 305. [2024-11-20 05:26:05,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 208 states have (on average 1.3653846153846154) internal successors, (284), 208 states have internal predecessors, (284), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-20 05:26:05,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 470 transitions. [2024-11-20 05:26:05,186 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 470 transitions. Word has length 199 [2024-11-20 05:26:05,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:26:05,187 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 470 transitions. [2024-11-20 05:26:05,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:26:05,187 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 470 transitions. [2024-11-20 05:26:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-20 05:26:05,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:26:05,189 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:26:05,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 05:26:05,189 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:26:05,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:26:05,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1774605967, now seen corresponding path program 1 times [2024-11-20 05:26:05,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:26:05,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153669446] [2024-11-20 05:26:05,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:26:05,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:26:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:26:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:26:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:26:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:26:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:26:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:26:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:26:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:26:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:26:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:26:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:26:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:26:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 05:26:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:26:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 05:26:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:26:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 05:26:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:26:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 05:26:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:26:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 05:26:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:26:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 05:26:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:26:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 05:26:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:26:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 05:26:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 05:26:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 05:26:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 05:26:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 05:26:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:26:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 05:26:08,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:26:08,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153669446] [2024-11-20 05:26:08,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153669446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:26:08,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:26:08,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 05:26:08,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623582511] [2024-11-20 05:26:08,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:26:08,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 05:26:08,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:26:08,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 05:26:08,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-20 05:26:08,073 INFO L87 Difference]: Start difference. First operand 305 states and 470 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:26:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:26:10,039 INFO L93 Difference]: Finished difference Result 358 states and 528 transitions. [2024-11-20 05:26:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 05:26:10,040 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-20 05:26:10,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:26:10,041 INFO L225 Difference]: With dead ends: 358 [2024-11-20 05:26:10,041 INFO L226 Difference]: Without dead ends: 356 [2024-11-20 05:26:10,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=298, Invalid=758, Unknown=0, NotChecked=0, Total=1056 [2024-11-20 05:26:10,042 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 361 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 05:26:10,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 975 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 05:26:10,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-20 05:26:10,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 306. [2024-11-20 05:26:10,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 209 states have (on average 1.3636363636363635) internal successors, (285), 209 states have internal predecessors, (285), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-20 05:26:10,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 471 transitions. [2024-11-20 05:26:10,063 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 471 transitions. Word has length 199 [2024-11-20 05:26:10,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:26:10,063 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 471 transitions. [2024-11-20 05:26:10,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 05:26:10,063 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 471 transitions. [2024-11-20 05:26:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-20 05:26:10,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:26:10,064 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:26:10,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 05:26:10,064 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:26:10,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:26:10,065 INFO L85 PathProgramCache]: Analyzing trace with hash 566331413, now seen corresponding path program 1 times [2024-11-20 05:26:10,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:26:10,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95619242] [2024-11-20 05:26:10,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:26:10,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:26:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat