./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_fillercodesize_ps-cn-100_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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_fillercodesize_ps-cn-100_file-10.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 1a0ae75f5f463a17182a89879ce4658fe5861ec9a86c60f6d3e9ad481b43e0d3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 00:31:26,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 00:31:26,356 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 00:31:26,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 00:31:26,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 00:31:26,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 00:31:26,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 00:31:26,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 00:31:26,396 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 00:31:26,397 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 00:31:26,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 00:31:26,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 00:31:26,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 00:31:26,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 00:31:26,401 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 00:31:26,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 00:31:26,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 00:31:26,402 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 00:31:26,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 00:31:26,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 00:31:26,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 00:31:26,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 00:31:26,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 00:31:26,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 00:31:26,409 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 00:31:26,409 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 00:31:26,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 00:31:26,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 00:31:26,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 00:31:26,410 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 00:31:26,410 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 00:31:26,410 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 00:31:26,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 00:31:26,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 00:31:26,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 00:31:26,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 00:31:26,412 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 00:31:26,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 00:31:26,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 00:31:26,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 00:31:26,413 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 00:31:26,414 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 00:31:26,414 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a0ae75f5f463a17182a89879ce4658fe5861ec9a86c60f6d3e9ad481b43e0d3 [2024-10-13 00:31:26,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 00:31:26,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 00:31:26,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 00:31:26,690 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 00:31:26,690 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 00:31:26,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2024-10-13 00:31:28,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 00:31:28,518 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 00:31:28,522 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2024-10-13 00:31:28,534 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de29c6c13/1883d532738b46629be938043fafefb3/FLAG6d2ca867e [2024-10-13 00:31:28,850 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de29c6c13/1883d532738b46629be938043fafefb3 [2024-10-13 00:31:28,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 00:31:28,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 00:31:28,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 00:31:28,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 00:31:28,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 00:31:28,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:28" (1/1) ... [2024-10-13 00:31:28,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641f150e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:28, skipping insertion in model container [2024-10-13 00:31:28,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:28" (1/1) ... [2024-10-13 00:31:28,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 00:31:29,107 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i[916,929] [2024-10-13 00:31:29,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 00:31:29,248 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 00:31:29,279 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i[916,929] [2024-10-13 00:31:29,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 00:31:29,352 INFO L204 MainTranslator]: Completed translation [2024-10-13 00:31:29,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29 WrapperNode [2024-10-13 00:31:29,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 00:31:29,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 00:31:29,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 00:31:29,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 00:31:29,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (1/1) ... [2024-10-13 00:31:29,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (1/1) ... [2024-10-13 00:31:29,430 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 343 [2024-10-13 00:31:29,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 00:31:29,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 00:31:29,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 00:31:29,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 00:31:29,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (1/1) ... [2024-10-13 00:31:29,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (1/1) ... [2024-10-13 00:31:29,457 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (1/1) ... [2024-10-13 00:31:29,499 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 00:31:29,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (1/1) ... [2024-10-13 00:31:29,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (1/1) ... [2024-10-13 00:31:29,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (1/1) ... [2024-10-13 00:31:29,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (1/1) ... [2024-10-13 00:31:29,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (1/1) ... [2024-10-13 00:31:29,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (1/1) ... [2024-10-13 00:31:29,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 00:31:29,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 00:31:29,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 00:31:29,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 00:31:29,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (1/1) ... [2024-10-13 00:31:29,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 00:31:29,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 00:31:29,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 00:31:29,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 00:31:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 00:31:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 00:31:29,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 00:31:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 00:31:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 00:31:29,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 00:31:29,787 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 00:31:29,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 00:31:30,332 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-13 00:31:30,333 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 00:31:30,373 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 00:31:30,373 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 00:31:30,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:30 BoogieIcfgContainer [2024-10-13 00:31:30,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 00:31:30,377 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 00:31:30,377 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 00:31:30,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 00:31:30,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:31:28" (1/3) ... [2024-10-13 00:31:30,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296f149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:31:30, skipping insertion in model container [2024-10-13 00:31:30,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:29" (2/3) ... [2024-10-13 00:31:30,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296f149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:31:30, skipping insertion in model container [2024-10-13 00:31:30,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:30" (3/3) ... [2024-10-13 00:31:30,385 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2024-10-13 00:31:30,400 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 00:31:30,400 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 00:31:30,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 00:31:30,493 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;@38dfdfd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 00:31:30,493 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 00:31:30,497 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 00:31:30,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-13 00:31:30,516 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:31:30,517 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:31:30,517 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:31:30,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:31:30,525 INFO L85 PathProgramCache]: Analyzing trace with hash -228765179, now seen corresponding path program 1 times [2024-10-13 00:31:30,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:31:30,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770135737] [2024-10-13 00:31:30,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:31:30,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:31:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:31:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:31:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:31:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:31:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:31:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:31:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:31:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:31:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:31:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:31:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:31:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:31:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:31:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:31:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:31:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:31:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:31:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:31:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:31:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 00:31:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 00:31:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 00:31:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 00:31:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 00:31:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 00:31:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 00:31:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 00:31:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 00:31:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 00:31:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 00:31:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 00:31:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 00:31:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 00:31:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 00:31:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 00:31:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 00:31:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 00:31:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 00:31:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 00:31:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 00:31:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 00:31:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 00:31:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 00:31:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 00:31:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 00:31:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-13 00:31:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 00:31:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 00:31:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 00:31:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:31,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 00:31:31,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:31:31,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770135737] [2024-10-13 00:31:31,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770135737] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:31:31,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:31:31,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 00:31:31,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737497349] [2024-10-13 00:31:31,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:31:31,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 00:31:31,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:31:31,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 00:31:31,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 00:31:31,608 INFO L87 Difference]: Start difference. First operand has 144 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 00:31:31,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:31:31,736 INFO L93 Difference]: Finished difference Result 384 states and 705 transitions. [2024-10-13 00:31:31,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 00:31:31,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 305 [2024-10-13 00:31:31,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:31:31,759 INFO L225 Difference]: With dead ends: 384 [2024-10-13 00:31:31,762 INFO L226 Difference]: Without dead ends: 241 [2024-10-13 00:31:31,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 00:31:31,775 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 156 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 00:31:31,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 521 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 00:31:31,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-10-13 00:31:31,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 238. [2024-10-13 00:31:31,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 160 states have (on average 1.46875) internal successors, (235), 161 states have internal predecessors, (235), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-13 00:31:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 385 transitions. [2024-10-13 00:31:31,896 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 385 transitions. Word has length 305 [2024-10-13 00:31:31,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:31:31,900 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 385 transitions. [2024-10-13 00:31:31,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 00:31:31,901 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 385 transitions. [2024-10-13 00:31:31,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-13 00:31:31,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:31:31,913 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:31:31,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 00:31:31,915 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:31:31,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:31:31,915 INFO L85 PathProgramCache]: Analyzing trace with hash 647965125, now seen corresponding path program 1 times [2024-10-13 00:31:31,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:31:31,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481044291] [2024-10-13 00:31:31,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:31:31,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:31:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:31:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:31:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:31:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:31:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:31:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:31:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:31:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:31:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:31:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:31:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:31:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:31:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:31:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:31:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:31:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:31:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:31:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:31:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:31:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 00:31:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 00:31:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 00:31:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 00:31:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 00:31:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 00:31:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 00:31:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 00:31:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 00:31:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 00:31:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 00:31:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 00:31:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 00:31:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 00:31:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 00:31:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 00:31:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 00:31:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 00:31:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 00:31:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 00:31:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 00:31:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 00:31:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 00:31:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 00:31:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 00:31:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 00:31:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-13 00:31:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 00:31:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 00:31:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 00:31:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:32,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 00:31:32,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:31:32,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481044291] [2024-10-13 00:31:32,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481044291] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:31:32,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:31:32,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 00:31:32,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190166106] [2024-10-13 00:31:32,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:31:32,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 00:31:32,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:31:32,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 00:31:32,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 00:31:32,693 INFO L87 Difference]: Start difference. First operand 238 states and 385 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 00:31:32,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:31:32,777 INFO L93 Difference]: Finished difference Result 712 states and 1153 transitions. [2024-10-13 00:31:32,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 00:31:32,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 305 [2024-10-13 00:31:32,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:31:32,787 INFO L225 Difference]: With dead ends: 712 [2024-10-13 00:31:32,788 INFO L226 Difference]: Without dead ends: 475 [2024-10-13 00:31:32,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 00:31:32,793 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 140 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 00:31:32,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 509 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 00:31:32,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-10-13 00:31:32,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 471. [2024-10-13 00:31:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 316 states have (on average 1.4620253164556962) internal successors, (462), 318 states have internal predecessors, (462), 150 states have call successors, (150), 4 states have call predecessors, (150), 4 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-10-13 00:31:32,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 762 transitions. [2024-10-13 00:31:32,904 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 762 transitions. Word has length 305 [2024-10-13 00:31:32,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:31:32,907 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 762 transitions. [2024-10-13 00:31:32,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 00:31:32,908 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 762 transitions. [2024-10-13 00:31:32,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-10-13 00:31:32,914 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:31:32,915 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:31:32,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 00:31:32,915 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:31:32,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:31:32,916 INFO L85 PathProgramCache]: Analyzing trace with hash -547851467, now seen corresponding path program 1 times [2024-10-13 00:31:32,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:31:32,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093124188] [2024-10-13 00:31:32,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:31:32,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:31:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:31:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:31:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:31:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:31:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:31:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:31:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:31:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:31:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:31:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:31:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:31:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:31:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:31:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:31:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:31:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:31:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:31:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:31:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:31:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 00:31:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 00:31:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 00:31:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 00:31:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 00:31:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 00:31:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 00:31:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 00:31:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 00:31:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 00:31:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 00:31:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 00:31:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 00:31:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 00:31:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 00:31:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 00:31:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 00:31:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 00:31:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 00:31:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 00:31:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 00:31:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 00:31:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 00:31:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 00:31:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 00:31:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 00:31:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-13 00:31:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 00:31:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 00:31:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 00:31:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 00:31:33,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:31:33,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093124188] [2024-10-13 00:31:33,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093124188] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:31:33,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:31:33,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 00:31:33,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322669147] [2024-10-13 00:31:33,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:31:33,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 00:31:33,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:31:33,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 00:31:33,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 00:31:33,589 INFO L87 Difference]: Start difference. First operand 471 states and 762 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 00:31:33,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:31:33,863 INFO L93 Difference]: Finished difference Result 1245 states and 2017 transitions. [2024-10-13 00:31:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 00:31:33,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 307 [2024-10-13 00:31:33,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:31:33,875 INFO L225 Difference]: With dead ends: 1245 [2024-10-13 00:31:33,875 INFO L226 Difference]: Without dead ends: 775 [2024-10-13 00:31:33,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 00:31:33,879 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 171 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 00:31:33,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 668 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 00:31:33,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-10-13 00:31:33,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 649. [2024-10-13 00:31:33,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 443 states have (on average 1.5011286681715577) internal successors, (665), 445 states have internal predecessors, (665), 199 states have call successors, (199), 6 states have call predecessors, (199), 6 states have return successors, (199), 197 states have call predecessors, (199), 199 states have call successors, (199) [2024-10-13 00:31:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 1063 transitions. [2024-10-13 00:31:34,001 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 1063 transitions. Word has length 307 [2024-10-13 00:31:34,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:31:34,002 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 1063 transitions. [2024-10-13 00:31:34,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 00:31:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1063 transitions. [2024-10-13 00:31:34,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-10-13 00:31:34,008 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:31:34,009 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:31:34,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 00:31:34,009 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:31:34,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:31:34,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1510126206, now seen corresponding path program 1 times [2024-10-13 00:31:34,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:31:34,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737370780] [2024-10-13 00:31:34,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:31:34,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:31:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:31:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:31:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:31:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:31:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:31:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:31:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:31:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:31:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:31:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:31:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:31:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:31:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:31:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:31:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:31:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:31:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:31:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:31:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:31:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 00:31:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 00:31:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 00:31:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 00:31:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 00:31:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 00:31:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 00:31:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 00:31:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 00:31:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 00:31:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 00:31:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 00:31:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 00:31:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 00:31:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 00:31:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 00:31:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 00:31:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 00:31:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 00:31:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 00:31:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 00:31:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 00:31:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 00:31:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 00:31:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 00:31:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 00:31:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-13 00:31:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 00:31:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 00:31:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 00:31:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:36,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 00:31:36,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:31:36,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737370780] [2024-10-13 00:31:36,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737370780] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:31:36,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:31:36,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 00:31:36,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613670058] [2024-10-13 00:31:36,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:31:36,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 00:31:36,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:31:36,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 00:31:36,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 00:31:36,705 INFO L87 Difference]: Start difference. First operand 649 states and 1063 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-13 00:31:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:31:39,684 INFO L93 Difference]: Finished difference Result 1981 states and 3205 transitions. [2024-10-13 00:31:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 00:31:39,685 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 308 [2024-10-13 00:31:39,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:31:39,706 INFO L225 Difference]: With dead ends: 1981 [2024-10-13 00:31:39,706 INFO L226 Difference]: Without dead ends: 1741 [2024-10-13 00:31:39,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-10-13 00:31:39,713 INFO L432 NwaCegarLoop]: 384 mSDtfsCounter, 1406 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 1556 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 638 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-13 00:31:39,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 1556 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [638 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-13 00:31:39,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2024-10-13 00:31:39,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1163. [2024-10-13 00:31:39,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 812 states have (on average 1.5160098522167487) internal successors, (1231), 816 states have internal predecessors, (1231), 339 states have call successors, (339), 11 states have call predecessors, (339), 11 states have return successors, (339), 335 states have call predecessors, (339), 339 states have call successors, (339) [2024-10-13 00:31:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1909 transitions. [2024-10-13 00:31:39,909 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1909 transitions. Word has length 308 [2024-10-13 00:31:39,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:31:39,910 INFO L471 AbstractCegarLoop]: Abstraction has 1163 states and 1909 transitions. [2024-10-13 00:31:39,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-13 00:31:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1909 transitions. [2024-10-13 00:31:39,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-10-13 00:31:39,916 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:31:39,916 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:31:39,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 00:31:39,917 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:31:39,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:31:39,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1728980924, now seen corresponding path program 1 times [2024-10-13 00:31:39,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:31:39,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354958289] [2024-10-13 00:31:39,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:31:39,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:31:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:31:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:31:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:31:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:31:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:31:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:31:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:31:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:31:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:31:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:31:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:31:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:31:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:31:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:31:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:31:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:31:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:31:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:31:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:31:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 00:31:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 00:31:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 00:31:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 00:31:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 00:31:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 00:31:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 00:31:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 00:31:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 00:31:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 00:31:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 00:31:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 00:31:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 00:31:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 00:31:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 00:31:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 00:31:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 00:31:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 00:31:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 00:31:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 00:31:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 00:31:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 00:31:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 00:31:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 00:31:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 00:31:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 00:31:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-13 00:31:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 00:31:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 00:31:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 00:31:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:31:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 00:31:58,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:31:58,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354958289] [2024-10-13 00:31:58,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354958289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:31:58,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:31:58,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 00:31:58,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128089012] [2024-10-13 00:31:58,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:31:58,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 00:31:58,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:31:58,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 00:31:58,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 00:31:58,799 INFO L87 Difference]: Start difference. First operand 1163 states and 1909 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 00:32:00,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:32:00,029 INFO L93 Difference]: Finished difference Result 3757 states and 5981 transitions. [2024-10-13 00:32:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 00:32:00,030 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 308 [2024-10-13 00:32:00,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:32:00,049 INFO L225 Difference]: With dead ends: 3757 [2024-10-13 00:32:00,049 INFO L226 Difference]: Without dead ends: 2828 [2024-10-13 00:32:00,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-10-13 00:32:00,057 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 567 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 00:32:00,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1153 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 00:32:00,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2024-10-13 00:32:00,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2106. [2024-10-13 00:32:00,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2106 states, 1449 states have (on average 1.4361628709454797) internal successors, (2081), 1458 states have internal predecessors, (2081), 629 states have call successors, (629), 27 states have call predecessors, (629), 27 states have return successors, (629), 620 states have call predecessors, (629), 629 states have call successors, (629) [2024-10-13 00:32:00,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 2106 states and 3339 transitions. [2024-10-13 00:32:00,342 INFO L78 Accepts]: Start accepts. Automaton has 2106 states and 3339 transitions. Word has length 308 [2024-10-13 00:32:00,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:32:00,343 INFO L471 AbstractCegarLoop]: Abstraction has 2106 states and 3339 transitions. [2024-10-13 00:32:00,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 00:32:00,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 3339 transitions. [2024-10-13 00:32:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-10-13 00:32:00,350 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:32:00,350 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:32:00,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 00:32:00,351 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:32:00,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:32:00,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1756639746, now seen corresponding path program 1 times [2024-10-13 00:32:00,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:32:00,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027094055] [2024-10-13 00:32:00,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:32:00,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:32:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:32:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:32:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:32:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:32:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:32:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:32:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:32:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:32:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:32:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:32:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:32:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:32:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:32:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:32:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 00:32:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:32:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 00:32:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:32:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 00:32:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 00:32:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 00:32:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 00:32:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 00:32:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 00:32:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 00:32:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 00:32:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 00:32:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 00:32:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 00:32:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 00:32:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 00:32:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 00:32:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 00:32:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 00:32:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-13 00:32:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 00:32:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 00:32:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 00:32:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 00:32:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 00:32:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 00:32:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 00:32:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 00:32:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 00:32:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 00:32:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-13 00:32:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 00:32:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-13 00:32:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-13 00:32:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:32:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 00:32:23,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:32:23,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027094055] [2024-10-13 00:32:23,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027094055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:32:23,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:32:23,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 00:32:23,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431651370] [2024-10-13 00:32:23,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:32:23,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 00:32:23,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:32:23,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 00:32:23,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-13 00:32:23,776 INFO L87 Difference]: Start difference. First operand 2106 states and 3339 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 00:32:25,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:32:25,328 INFO L93 Difference]: Finished difference Result 4023 states and 6321 transitions. [2024-10-13 00:32:25,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 00:32:25,329 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 308 [2024-10-13 00:32:25,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:32:25,346 INFO L225 Difference]: With dead ends: 4023 [2024-10-13 00:32:25,347 INFO L226 Difference]: Without dead ends: 3094 [2024-10-13 00:32:25,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-10-13 00:32:25,353 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 498 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 00:32:25,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 1338 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 00:32:25,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3094 states. [2024-10-13 00:32:25,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3094 to 2338. [2024-10-13 00:32:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2338 states, 1680 states have (on average 1.4755952380952382) internal successors, (2479), 1688 states have internal predecessors, (2479), 629 states have call successors, (629), 28 states have call predecessors, (629), 28 states have return successors, (629), 621 states have call predecessors, (629), 629 states have call successors, (629) [2024-10-13 00:32:25,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 2338 states and 3737 transitions. [2024-10-13 00:32:25,624 INFO L78 Accepts]: Start accepts. Automaton has 2338 states and 3737 transitions. Word has length 308 [2024-10-13 00:32:25,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:32:25,625 INFO L471 AbstractCegarLoop]: Abstraction has 2338 states and 3737 transitions. [2024-10-13 00:32:25,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 00:32:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 3737 transitions. [2024-10-13 00:32:25,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-10-13 00:32:25,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:32:25,631 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:32:25,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 00:32:25,631 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:32:25,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:32:25,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1211827900, now seen corresponding path program 1 times [2024-10-13 00:32:25,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:32:25,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381997499] [2024-10-13 00:32:25,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:32:25,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:32:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat