./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-25_file-81.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-25_file-81.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 20b89f8a60d2f6d2584628c0d5624c8090542a805d1f710cb23a05b88ce8a600 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 01:11:07,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 01:11:07,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 01:11:07,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 01:11:07,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 01:11:07,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 01:11:07,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 01:11:07,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 01:11:07,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 01:11:07,447 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 01:11:07,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 01:11:07,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 01:11:07,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 01:11:07,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 01:11:07,449 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 01:11:07,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 01:11:07,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 01:11:07,450 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 01:11:07,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 01:11:07,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 01:11:07,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 01:11:07,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 01:11:07,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 01:11:07,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 01:11:07,454 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 01:11:07,454 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 01:11:07,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 01:11:07,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 01:11:07,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 01:11:07,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 01:11:07,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 01:11:07,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 01:11:07,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:11:07,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 01:11:07,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 01:11:07,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 01:11:07,456 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 01:11:07,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 01:11:07,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 01:11:07,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 01:11:07,457 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 01:11:07,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 01:11:07,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20b89f8a60d2f6d2584628c0d5624c8090542a805d1f710cb23a05b88ce8a600 [2024-10-13 01:11:07,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 01:11:07,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 01:11:07,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 01:11:07,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 01:11:07,663 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 01:11:07,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i [2024-10-13 01:11:08,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 01:11:09,031 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 01:11:09,032 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i [2024-10-13 01:11:09,040 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe6b773e/109733800c044de2b581258d8b11810d/FLAG6d9de80e4 [2024-10-13 01:11:09,051 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe6b773e/109733800c044de2b581258d8b11810d [2024-10-13 01:11:09,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 01:11:09,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 01:11:09,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 01:11:09,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 01:11:09,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 01:11:09,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4d01ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09, skipping insertion in model container [2024-10-13 01:11:09,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 01:11:09,222 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-25_file-81.i[915,928] [2024-10-13 01:11:09,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:11:09,277 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 01:11:09,285 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-25_file-81.i[915,928] [2024-10-13 01:11:09,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:11:09,322 INFO L204 MainTranslator]: Completed translation [2024-10-13 01:11:09,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09 WrapperNode [2024-10-13 01:11:09,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 01:11:09,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 01:11:09,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 01:11:09,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 01:11:09,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,386 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2024-10-13 01:11:09,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 01:11:09,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 01:11:09,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 01:11:09,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 01:11:09,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,425 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,442 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 01:11:09,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 01:11:09,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 01:11:09,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 01:11:09,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 01:11:09,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (1/1) ... [2024-10-13 01:11:09,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:11:09,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:11:09,501 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 01:11:09,503 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 01:11:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 01:11:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 01:11:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 01:11:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 01:11:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 01:11:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 01:11:09,621 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 01:11:09,623 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 01:11:09,999 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-13 01:11:10,000 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 01:11:10,026 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 01:11:10,026 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 01:11:10,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:11:10 BoogieIcfgContainer [2024-10-13 01:11:10,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 01:11:10,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 01:11:10,029 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 01:11:10,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 01:11:10,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:11:09" (1/3) ... [2024-10-13 01:11:10,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29eb883b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:11:10, skipping insertion in model container [2024-10-13 01:11:10,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:09" (2/3) ... [2024-10-13 01:11:10,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29eb883b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:11:10, skipping insertion in model container [2024-10-13 01:11:10,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:11:10" (3/3) ... [2024-10-13 01:11:10,034 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-81.i [2024-10-13 01:11:10,047 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 01:11:10,047 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 01:11:10,098 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 01:11:10,102 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;@75ab18a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 01:11:10,102 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 01:11:10,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 59 states have (on average 1.423728813559322) internal successors, (84), 60 states have internal predecessors, (84), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-13 01:11:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-13 01:11:10,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:11:10,130 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:11:10,130 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:11:10,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:11:10,136 INFO L85 PathProgramCache]: Analyzing trace with hash -948757628, now seen corresponding path program 1 times [2024-10-13 01:11:10,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:11:10,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661906969] [2024-10-13 01:11:10,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:11:10,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:11:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:11:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:11:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:11:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:11:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:11:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:11:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:11:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:11:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:11:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:11:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:11:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:11:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:11:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:11:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:11:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:11:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:11:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:11:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:11:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:11:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:11:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:11:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:11:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:11:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:11:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:11:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:11:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:11:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:11:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:11:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:11:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:11:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:11:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:11:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:11:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:11:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:11:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:11:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:11:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:11:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:11:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:11:10,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:11:10,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661906969] [2024-10-13 01:11:10,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661906969] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:11:10,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:11:10,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 01:11:10,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220150083] [2024-10-13 01:11:10,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:11:10,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 01:11:10,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:11:10,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 01:11:10,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:11:10,603 INFO L87 Difference]: Start difference. First operand has 103 states, 59 states have (on average 1.423728813559322) internal successors, (84), 60 states have internal predecessors, (84), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-10-13 01:11:10,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:11:10,641 INFO L93 Difference]: Finished difference Result 203 states and 371 transitions. [2024-10-13 01:11:10,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 01:11:10,644 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) Word has length 247 [2024-10-13 01:11:10,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:11:10,653 INFO L225 Difference]: With dead ends: 203 [2024-10-13 01:11:10,653 INFO L226 Difference]: Without dead ends: 101 [2024-10-13 01:11:10,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:11:10,663 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:11:10,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:11:10,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-10-13 01:11:10,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-10-13 01:11:10,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 58 states have internal predecessors, (79), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-13 01:11:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 161 transitions. [2024-10-13 01:11:10,730 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 161 transitions. Word has length 247 [2024-10-13 01:11:10,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:11:10,730 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 161 transitions. [2024-10-13 01:11:10,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-10-13 01:11:10,731 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 161 transitions. [2024-10-13 01:11:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-13 01:11:10,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:11:10,737 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:11:10,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 01:11:10,737 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:11:10,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:11:10,738 INFO L85 PathProgramCache]: Analyzing trace with hash 104161414, now seen corresponding path program 1 times [2024-10-13 01:11:10,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:11:10,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328929146] [2024-10-13 01:11:10,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:11:10,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:11:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:11:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:11:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:11:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:11:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:11:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:11:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:11:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:11:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:11:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:11:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:11:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:11:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:11:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:11:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:11:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:11:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:11:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:11:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:11:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:11:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:11:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:11:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:11:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:11:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:11:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:11:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:11:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:11:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:11:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:11:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:11:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:11:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:11:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:11:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:11:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:11:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:11:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:11:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:11:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:11:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:11:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:20,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:11:20,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:11:20,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328929146] [2024-10-13 01:11:20,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328929146] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:11:20,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:11:20,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 01:11:20,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753713853] [2024-10-13 01:11:20,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:11:20,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 01:11:20,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:11:20,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 01:11:20,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-13 01:11:20,888 INFO L87 Difference]: Start difference. First operand 101 states and 161 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:22,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:11:22,714 INFO L93 Difference]: Finished difference Result 404 states and 629 transitions. [2024-10-13 01:11:22,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 01:11:22,715 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2024-10-13 01:11:22,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:11:22,719 INFO L225 Difference]: With dead ends: 404 [2024-10-13 01:11:22,719 INFO L226 Difference]: Without dead ends: 304 [2024-10-13 01:11:22,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2024-10-13 01:11:22,721 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 689 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:11:22,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 779 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 01:11:22,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-13 01:11:22,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 191. [2024-10-13 01:11:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 106 states have internal predecessors, (142), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 01:11:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 306 transitions. [2024-10-13 01:11:22,756 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 306 transitions. Word has length 247 [2024-10-13 01:11:22,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:11:22,758 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 306 transitions. [2024-10-13 01:11:22,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:22,758 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 306 transitions. [2024-10-13 01:11:22,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-13 01:11:22,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:11:22,761 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:11:22,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 01:11:22,761 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:11:22,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:11:22,762 INFO L85 PathProgramCache]: Analyzing trace with hash 784219784, now seen corresponding path program 1 times [2024-10-13 01:11:22,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:11:22,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10720506] [2024-10-13 01:11:22,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:11:22,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:11:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:11:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:11:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:11:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:11:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:11:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:11:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:11:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:11:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:11:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:11:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:11:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:11:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:11:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:11:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:11:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:11:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:11:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:11:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:11:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:11:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:11:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:11:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:11:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:11:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:11:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:11:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:11:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:11:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:11:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:11:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:22,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:11:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:23,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:11:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:23,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:11:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:23,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:11:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:23,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:11:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:23,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:11:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:23,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:11:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:23,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:11:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:23,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:11:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:23,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:11:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:23,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:11:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:11:23,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:11:23,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10720506] [2024-10-13 01:11:23,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10720506] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:11:23,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:11:23,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:11:23,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954774807] [2024-10-13 01:11:23,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:11:23,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:11:23,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:11:23,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:11:23,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:11:23,016 INFO L87 Difference]: Start difference. First operand 191 states and 306 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:23,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:11:23,078 INFO L93 Difference]: Finished difference Result 324 states and 513 transitions. [2024-10-13 01:11:23,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:11:23,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2024-10-13 01:11:23,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:11:23,080 INFO L225 Difference]: With dead ends: 324 [2024-10-13 01:11:23,081 INFO L226 Difference]: Without dead ends: 224 [2024-10-13 01:11:23,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:11:23,082 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 40 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:11:23,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 462 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:11:23,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-13 01:11:23,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 221. [2024-10-13 01:11:23,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 131 states have (on average 1.3435114503816794) internal successors, (176), 132 states have internal predecessors, (176), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 01:11:23,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 348 transitions. [2024-10-13 01:11:23,108 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 348 transitions. Word has length 247 [2024-10-13 01:11:23,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:11:23,109 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 348 transitions. [2024-10-13 01:11:23,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:23,109 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 348 transitions. [2024-10-13 01:11:23,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-13 01:11:23,114 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:11:23,114 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:11:23,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 01:11:23,115 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:11:23,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:11:23,115 INFO L85 PathProgramCache]: Analyzing trace with hash -288865596, now seen corresponding path program 1 times [2024-10-13 01:11:23,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:11:23,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286539026] [2024-10-13 01:11:23,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:11:23,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:11:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:11:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:11:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:11:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:11:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:11:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:11:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:11:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:11:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:11:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:11:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:11:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:11:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:11:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:11:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:11:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:11:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:11:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:11:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:11:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:11:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:11:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:11:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:11:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:11:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:11:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:11:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:11:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:11:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:11:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:11:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:11:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:11:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:11:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:11:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:11:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:11:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:11:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:11:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:11:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:11:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:11:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:11:30,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:11:30,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286539026] [2024-10-13 01:11:30,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286539026] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:11:30,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:11:30,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 01:11:30,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265487137] [2024-10-13 01:11:30,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:11:30,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 01:11:30,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:11:30,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 01:11:30,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-13 01:11:30,780 INFO L87 Difference]: Start difference. First operand 221 states and 348 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:33,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:11:33,156 INFO L93 Difference]: Finished difference Result 452 states and 692 transitions. [2024-10-13 01:11:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 01:11:33,157 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2024-10-13 01:11:33,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:11:33,160 INFO L225 Difference]: With dead ends: 452 [2024-10-13 01:11:33,160 INFO L226 Difference]: Without dead ends: 322 [2024-10-13 01:11:33,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-10-13 01:11:33,162 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 455 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 01:11:33,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 745 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 01:11:33,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-13 01:11:33,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 221. [2024-10-13 01:11:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 131 states have (on average 1.3435114503816794) internal successors, (176), 132 states have internal predecessors, (176), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 01:11:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 348 transitions. [2024-10-13 01:11:33,206 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 348 transitions. Word has length 247 [2024-10-13 01:11:33,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:11:33,208 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 348 transitions. [2024-10-13 01:11:33,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:33,208 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 348 transitions. [2024-10-13 01:11:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-13 01:11:33,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:11:33,214 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:11:33,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 01:11:33,214 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:11:33,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:11:33,215 INFO L85 PathProgramCache]: Analyzing trace with hash 805225992, now seen corresponding path program 1 times [2024-10-13 01:11:33,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:11:33,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829923627] [2024-10-13 01:11:33,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:11:33,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:11:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:11:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:11:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:11:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:11:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:11:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:11:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:11:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:11:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:11:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:11:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:11:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:11:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:11:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:11:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:11:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:11:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:11:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:11:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:11:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:11:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:11:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:11:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:11:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:11:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:11:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:11:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:11:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:11:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:11:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:11:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:11:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:11:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:11:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:11:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:11:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:11:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:11:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:11:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:11:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:11:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:11:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:33,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:11:33,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:11:33,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829923627] [2024-10-13 01:11:33,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829923627] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:11:33,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:11:33,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 01:11:33,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32770196] [2024-10-13 01:11:33,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:11:33,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 01:11:33,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:11:33,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 01:11:33,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 01:11:33,830 INFO L87 Difference]: Start difference. First operand 221 states and 348 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:34,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:11:34,232 INFO L93 Difference]: Finished difference Result 395 states and 616 transitions. [2024-10-13 01:11:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 01:11:34,232 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2024-10-13 01:11:34,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:11:34,237 INFO L225 Difference]: With dead ends: 395 [2024-10-13 01:11:34,237 INFO L226 Difference]: Without dead ends: 265 [2024-10-13 01:11:34,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-13 01:11:34,238 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 165 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 01:11:34,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 577 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 01:11:34,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-10-13 01:11:34,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 227. [2024-10-13 01:11:34,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 137 states have (on average 1.3357664233576643) internal successors, (183), 138 states have internal predecessors, (183), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 01:11:34,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 355 transitions. [2024-10-13 01:11:34,261 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 355 transitions. Word has length 247 [2024-10-13 01:11:34,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:11:34,262 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 355 transitions. [2024-10-13 01:11:34,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 355 transitions. [2024-10-13 01:11:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-13 01:11:34,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:11:34,265 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:11:34,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 01:11:34,265 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:11:34,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:11:34,265 INFO L85 PathProgramCache]: Analyzing trace with hash -482644600, now seen corresponding path program 1 times [2024-10-13 01:11:34,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:11:34,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814399195] [2024-10-13 01:11:34,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:11:34,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:11:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:11:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:11:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:11:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:11:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:11:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:11:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:11:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:11:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:11:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:11:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:11:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:11:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:11:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:11:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:11:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:11:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:11:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:11:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:11:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:11:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:11:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:11:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:11:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:11:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:11:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:11:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:11:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:11:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:11:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:11:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:11:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:11:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:11:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:11:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:11:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:11:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:11:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:11:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:11:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:11:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:11:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:11:40,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:11:40,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814399195] [2024-10-13 01:11:40,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814399195] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:11:40,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:11:40,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 01:11:40,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418279010] [2024-10-13 01:11:40,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:11:40,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 01:11:40,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:11:40,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 01:11:40,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-13 01:11:40,909 INFO L87 Difference]: Start difference. First operand 227 states and 355 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:41,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:11:41,371 INFO L93 Difference]: Finished difference Result 423 states and 646 transitions. [2024-10-13 01:11:41,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 01:11:41,371 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2024-10-13 01:11:41,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:11:41,373 INFO L225 Difference]: With dead ends: 423 [2024-10-13 01:11:41,374 INFO L226 Difference]: Without dead ends: 293 [2024-10-13 01:11:41,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-13 01:11:41,375 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 232 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 01:11:41,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 542 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 01:11:41,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-13 01:11:41,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 228. [2024-10-13 01:11:41,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 138 states have (on average 1.3405797101449275) internal successors, (185), 139 states have internal predecessors, (185), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 01:11:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 357 transitions. [2024-10-13 01:11:41,415 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 357 transitions. Word has length 247 [2024-10-13 01:11:41,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:11:41,415 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 357 transitions. [2024-10-13 01:11:41,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 357 transitions. [2024-10-13 01:11:41,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-13 01:11:41,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:11:41,419 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:11:41,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 01:11:41,419 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:11:41,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:11:41,420 INFO L85 PathProgramCache]: Analyzing trace with hash -875671610, now seen corresponding path program 1 times [2024-10-13 01:11:41,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:11:41,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614410338] [2024-10-13 01:11:41,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:11:41,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:11:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:11:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:11:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:11:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:11:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:11:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:11:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:11:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:11:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:11:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:11:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:11:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:11:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:11:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:11:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:11:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:11:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:11:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:11:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:11:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:11:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:11:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:11:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:11:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:11:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:11:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:11:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:11:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:11:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:11:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:11:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:11:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:11:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:11:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:11:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:11:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:11:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:11:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:11:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:11:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:11:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:11:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:48,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:11:48,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:11:48,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614410338] [2024-10-13 01:11:48,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614410338] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:11:48,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:11:48,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 01:11:48,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508380819] [2024-10-13 01:11:48,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:11:48,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 01:11:48,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:11:48,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 01:11:48,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 01:11:48,178 INFO L87 Difference]: Start difference. First operand 228 states and 357 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:49,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:11:49,848 INFO L93 Difference]: Finished difference Result 405 states and 623 transitions. [2024-10-13 01:11:49,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 01:11:49,849 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2024-10-13 01:11:49,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:11:49,851 INFO L225 Difference]: With dead ends: 405 [2024-10-13 01:11:49,851 INFO L226 Difference]: Without dead ends: 265 [2024-10-13 01:11:49,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-10-13 01:11:49,853 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 111 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 01:11:49,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 654 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 01:11:49,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-10-13 01:11:49,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 225. [2024-10-13 01:11:49,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 135 states have (on average 1.3407407407407408) internal successors, (181), 136 states have internal predecessors, (181), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 01:11:49,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 353 transitions. [2024-10-13 01:11:49,871 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 353 transitions. Word has length 247 [2024-10-13 01:11:49,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:11:49,872 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 353 transitions. [2024-10-13 01:11:49,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:49,872 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 353 transitions. [2024-10-13 01:11:49,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-13 01:11:49,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:11:49,874 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:11:49,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 01:11:49,874 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:11:49,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:11:49,875 INFO L85 PathProgramCache]: Analyzing trace with hash 213502936, now seen corresponding path program 1 times [2024-10-13 01:11:49,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:11:49,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349031997] [2024-10-13 01:11:49,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:11:49,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:11:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:11:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:11:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:11:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:11:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:11:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:11:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:11:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:11:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:11:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:11:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:11:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:11:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:11:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:11:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:11:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:11:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:11:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:11:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:11:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:11:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:11:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:11:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:11:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:11:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:11:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:11:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:11:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:11:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:11:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:11:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:11:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:11:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:11:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:11:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:11:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:11:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:11:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:11:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:11:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:11:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:11:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:11:55,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:11:55,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:11:55,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349031997] [2024-10-13 01:11:55,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349031997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:11:55,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:11:55,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 01:11:55,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159681876] [2024-10-13 01:11:55,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:11:55,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 01:11:55,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:11:55,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 01:11:55,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-13 01:11:55,304 INFO L87 Difference]: Start difference. First operand 225 states and 353 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:56,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:11:56,836 INFO L93 Difference]: Finished difference Result 556 states and 839 transitions. [2024-10-13 01:11:56,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 01:11:56,837 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 248 [2024-10-13 01:11:56,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:11:56,839 INFO L225 Difference]: With dead ends: 556 [2024-10-13 01:11:56,840 INFO L226 Difference]: Without dead ends: 416 [2024-10-13 01:11:56,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-10-13 01:11:56,841 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 480 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 01:11:56,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 823 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 01:11:56,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-10-13 01:11:56,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 230. [2024-10-13 01:11:56,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 140 states have (on average 1.35) internal successors, (189), 141 states have internal predecessors, (189), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 01:11:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 361 transitions. [2024-10-13 01:11:56,860 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 361 transitions. Word has length 248 [2024-10-13 01:11:56,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:11:56,860 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 361 transitions. [2024-10-13 01:11:56,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:11:56,861 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 361 transitions. [2024-10-13 01:11:56,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-13 01:11:56,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:11:56,862 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:11:56,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 01:11:56,862 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:11:56,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:11:56,862 INFO L85 PathProgramCache]: Analyzing trace with hash 893561306, now seen corresponding path program 1 times [2024-10-13 01:11:56,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:11:56,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726314033] [2024-10-13 01:11:56,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:11:56,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:11:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:12:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:12:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:12:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:12:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:12:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:12:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:12:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:12:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:12:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:12:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:12:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:12:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:12:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:12:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:12:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:12:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:12:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:12:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:12:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:12:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:12:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:12:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:12:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:12:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:12:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:12:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:12:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:12:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:12:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:12:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:12:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:12:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:12:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:12:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:12:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:12:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:12:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:12:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:12:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:12:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:12:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:12:01,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:12:01,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726314033] [2024-10-13 01:12:01,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726314033] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:12:01,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:12:01,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 01:12:01,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357813360] [2024-10-13 01:12:01,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:12:01,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 01:12:01,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:12:01,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 01:12:01,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 01:12:01,079 INFO L87 Difference]: Start difference. First operand 230 states and 361 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:12:01,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:12:01,723 INFO L93 Difference]: Finished difference Result 499 states and 761 transitions. [2024-10-13 01:12:01,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 01:12:01,723 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 248 [2024-10-13 01:12:01,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:12:01,727 INFO L225 Difference]: With dead ends: 499 [2024-10-13 01:12:01,727 INFO L226 Difference]: Without dead ends: 359 [2024-10-13 01:12:01,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-13 01:12:01,729 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 137 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 01:12:01,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 852 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 01:12:01,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-10-13 01:12:01,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 245. [2024-10-13 01:12:01,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 155 states have (on average 1.3612903225806452) internal successors, (211), 156 states have internal predecessors, (211), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 01:12:01,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 383 transitions. [2024-10-13 01:12:01,758 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 383 transitions. Word has length 248 [2024-10-13 01:12:01,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:12:01,760 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 383 transitions. [2024-10-13 01:12:01,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:12:01,760 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 383 transitions. [2024-10-13 01:12:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-13 01:12:01,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:12:01,761 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:12:01,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 01:12:01,762 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:12:01,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:12:01,762 INFO L85 PathProgramCache]: Analyzing trace with hash -179524074, now seen corresponding path program 1 times [2024-10-13 01:12:01,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:12:01,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544986118] [2024-10-13 01:12:01,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:12:01,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:12:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:12:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:12:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:12:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:12:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:12:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:12:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:12:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:12:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:12:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:12:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:12:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:12:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:12:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:12:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:12:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:12:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:12:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:12:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:12:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:12:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:12:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:12:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:12:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:12:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:12:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:12:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:12:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:12:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:12:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:12:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:12:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:12:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:12:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:12:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:12:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:12:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:12:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:12:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:12:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:12:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:12:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:07,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:12:07,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:12:07,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544986118] [2024-10-13 01:12:07,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544986118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:12:07,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:12:07,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 01:12:07,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130303130] [2024-10-13 01:12:07,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:12:07,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 01:12:07,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:12:07,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 01:12:07,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-13 01:12:07,579 INFO L87 Difference]: Start difference. First operand 245 states and 383 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:12:10,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:12:10,988 INFO L93 Difference]: Finished difference Result 584 states and 878 transitions. [2024-10-13 01:12:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 01:12:10,989 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 248 [2024-10-13 01:12:10,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:12:10,991 INFO L225 Difference]: With dead ends: 584 [2024-10-13 01:12:10,991 INFO L226 Difference]: Without dead ends: 431 [2024-10-13 01:12:10,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=212, Invalid=658, Unknown=0, NotChecked=0, Total=870 [2024-10-13 01:12:10,992 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 425 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 01:12:10,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 808 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 01:12:10,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-10-13 01:12:11,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 246. [2024-10-13 01:12:11,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 156 states have (on average 1.3653846153846154) internal successors, (213), 157 states have internal predecessors, (213), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 01:12:11,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 385 transitions. [2024-10-13 01:12:11,015 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 385 transitions. Word has length 248 [2024-10-13 01:12:11,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:12:11,015 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 385 transitions. [2024-10-13 01:12:11,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:12:11,016 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 385 transitions. [2024-10-13 01:12:11,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-13 01:12:11,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:12:11,017 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:12:11,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 01:12:11,017 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:12:11,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:12:11,017 INFO L85 PathProgramCache]: Analyzing trace with hash 500534296, now seen corresponding path program 1 times [2024-10-13 01:12:11,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:12:11,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838396182] [2024-10-13 01:12:11,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:12:11,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:12:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:12:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:12:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:12:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:12:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:12:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:12:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:12:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:12:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:12:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:12:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:12:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:12:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:12:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:12:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:12:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:12:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:12:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:12:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:12:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:12:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:12:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:12:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:12:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:12:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:12:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:12:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:12:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:12:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:12:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:12:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:12:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:12:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:12:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:12:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:12:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:12:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:12:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:12:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:12:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:12:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:12:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:15,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:12:15,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:12:15,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838396182] [2024-10-13 01:12:15,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838396182] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:12:15,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:12:15,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 01:12:15,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511294850] [2024-10-13 01:12:15,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:12:15,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 01:12:15,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:12:15,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 01:12:15,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-13 01:12:15,668 INFO L87 Difference]: Start difference. First operand 246 states and 385 transitions. Second operand has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-10-13 01:12:17,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:12:17,135 INFO L93 Difference]: Finished difference Result 534 states and 812 transitions. [2024-10-13 01:12:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 01:12:17,136 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) Word has length 248 [2024-10-13 01:12:17,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:12:17,138 INFO L225 Difference]: With dead ends: 534 [2024-10-13 01:12:17,138 INFO L226 Difference]: Without dead ends: 381 [2024-10-13 01:12:17,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-10-13 01:12:17,139 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 293 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 01:12:17,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 991 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 01:12:17,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-10-13 01:12:17,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 245. [2024-10-13 01:12:17,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 155 states have (on average 1.3612903225806452) internal successors, (211), 156 states have internal predecessors, (211), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 01:12:17,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 383 transitions. [2024-10-13 01:12:17,162 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 383 transitions. Word has length 248 [2024-10-13 01:12:17,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:12:17,163 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 383 transitions. [2024-10-13 01:12:17,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-10-13 01:12:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 383 transitions. [2024-10-13 01:12:17,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-13 01:12:17,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:12:17,165 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:12:17,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 01:12:17,165 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:12:17,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:12:17,165 INFO L85 PathProgramCache]: Analyzing trace with hash -373303078, now seen corresponding path program 1 times [2024-10-13 01:12:17,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:12:17,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611060059] [2024-10-13 01:12:17,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:12:17,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:12:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:12:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:12:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:12:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:12:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:12:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:12:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:12:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:12:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:12:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:12:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:12:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:12:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:12:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:12:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:12:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:12:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:12:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:12:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:12:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:12:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:12:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:12:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:12:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:12:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:12:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:12:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:12:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:12:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:12:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:12:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:12:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:12:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:12:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:12:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:12:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:12:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:12:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:12:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:12:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:12:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:12:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:22,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:12:22,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:12:22,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611060059] [2024-10-13 01:12:22,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611060059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:12:22,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:12:22,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 01:12:22,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693972913] [2024-10-13 01:12:22,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:12:22,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 01:12:22,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:12:22,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 01:12:22,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-13 01:12:22,680 INFO L87 Difference]: Start difference. First operand 245 states and 383 transitions. Second operand has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:12:26,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:12:26,872 INFO L93 Difference]: Finished difference Result 602 states and 896 transitions. [2024-10-13 01:12:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-13 01:12:26,873 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 248 [2024-10-13 01:12:26,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:12:26,875 INFO L225 Difference]: With dead ends: 602 [2024-10-13 01:12:26,875 INFO L226 Difference]: Without dead ends: 449 [2024-10-13 01:12:26,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=229, Invalid=827, Unknown=0, NotChecked=0, Total=1056 [2024-10-13 01:12:26,877 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 369 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:12:26,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 1015 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-13 01:12:26,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-10-13 01:12:26,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 246. [2024-10-13 01:12:26,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 156 states have (on average 1.3653846153846154) internal successors, (213), 157 states have internal predecessors, (213), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 01:12:26,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 385 transitions. [2024-10-13 01:12:26,901 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 385 transitions. Word has length 248 [2024-10-13 01:12:26,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:12:26,901 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 385 transitions. [2024-10-13 01:12:26,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:12:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 385 transitions. [2024-10-13 01:12:26,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-13 01:12:26,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:12:26,903 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:12:26,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 01:12:26,904 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:12:26,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:12:26,904 INFO L85 PathProgramCache]: Analyzing trace with hash -766330088, now seen corresponding path program 1 times [2024-10-13 01:12:26,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:12:26,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516904757] [2024-10-13 01:12:26,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:12:26,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:12:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:12:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:12:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:12:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:12:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:12:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:12:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:12:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:12:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:12:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:12:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:12:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:12:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:12:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:12:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:12:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:12:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:12:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:12:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:12:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:12:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:12:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:12:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:12:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:12:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:12:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:12:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:12:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:12:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:12:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:12:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:12:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:12:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:12:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:12:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:12:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:12:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:12:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:12:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:12:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:12:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:12:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:30,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:12:30,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:12:30,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516904757] [2024-10-13 01:12:30,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516904757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:12:30,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:12:30,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 01:12:30,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094975412] [2024-10-13 01:12:30,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:12:30,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 01:12:30,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:12:30,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 01:12:30,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-13 01:12:30,788 INFO L87 Difference]: Start difference. First operand 246 states and 385 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:12:31,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:12:31,185 INFO L93 Difference]: Finished difference Result 482 states and 739 transitions. [2024-10-13 01:12:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 01:12:31,185 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 248 [2024-10-13 01:12:31,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:12:31,187 INFO L225 Difference]: With dead ends: 482 [2024-10-13 01:12:31,187 INFO L226 Difference]: Without dead ends: 329 [2024-10-13 01:12:31,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-13 01:12:31,188 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 194 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 01:12:31,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 547 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 01:12:31,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-10-13 01:12:31,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 245. [2024-10-13 01:12:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 155 states have (on average 1.3612903225806452) internal successors, (211), 156 states have internal predecessors, (211), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 01:12:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 383 transitions. [2024-10-13 01:12:31,222 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 383 transitions. Word has length 248 [2024-10-13 01:12:31,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:12:31,222 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 383 transitions. [2024-10-13 01:12:31,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:12:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 383 transitions. [2024-10-13 01:12:31,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-13 01:12:31,224 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:12:31,224 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:12:31,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 01:12:31,224 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:12:31,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:12:31,224 INFO L85 PathProgramCache]: Analyzing trace with hash -86271718, now seen corresponding path program 1 times [2024-10-13 01:12:31,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:12:31,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567967809] [2024-10-13 01:12:31,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:12:31,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:12:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:12:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:12:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:12:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:12:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:12:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:12:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:12:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:12:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:12:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:12:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:12:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:12:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:12:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:12:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:12:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:12:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:12:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:12:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:12:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:12:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:12:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:12:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:12:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:12:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:12:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:12:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:12:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:12:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:12:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:12:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:12:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:12:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:12:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:12:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:12:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:12:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:12:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:12:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:12:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:12:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:12:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:12:31,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:12:31,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567967809] [2024-10-13 01:12:31,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567967809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:12:31,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:12:31,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 01:12:31,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100626181] [2024-10-13 01:12:31,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:12:31,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 01:12:31,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:12:31,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 01:12:31,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 01:12:31,774 INFO L87 Difference]: Start difference. First operand 245 states and 383 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:12:32,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:12:32,259 INFO L93 Difference]: Finished difference Result 479 states and 732 transitions. [2024-10-13 01:12:32,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 01:12:32,260 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 248 [2024-10-13 01:12:32,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:12:32,262 INFO L225 Difference]: With dead ends: 479 [2024-10-13 01:12:32,262 INFO L226 Difference]: Without dead ends: 325 [2024-10-13 01:12:32,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-13 01:12:32,263 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 336 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 01:12:32,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 575 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 01:12:32,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-10-13 01:12:32,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 243. [2024-10-13 01:12:32,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 153 states have (on average 1.3660130718954249) internal successors, (209), 154 states have internal predecessors, (209), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 01:12:32,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 381 transitions. [2024-10-13 01:12:32,285 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 381 transitions. Word has length 248 [2024-10-13 01:12:32,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:12:32,285 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 381 transitions. [2024-10-13 01:12:32,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:12:32,285 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 381 transitions. [2024-10-13 01:12:32,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-13 01:12:32,286 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:12:32,286 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:12:32,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 01:12:32,287 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:12:32,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:12:32,287 INFO L85 PathProgramCache]: Analyzing trace with hash -797614314, now seen corresponding path program 1 times [2024-10-13 01:12:32,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:12:32,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303145526] [2024-10-13 01:12:32,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:12:32,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:12:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:12:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:12:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:12:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:12:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:12:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:12:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:12:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:12:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:12:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:12:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:12:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:12:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:12:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:12:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:12:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:12:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:12:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:12:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:12:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 01:12:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:12:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 01:12:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:12:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 01:12:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 01:12:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 01:12:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:12:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 01:12:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:12:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 01:12:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:12:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 01:12:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:12:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 01:12:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 01:12:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 01:12:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 01:12:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 01:12:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-13 01:12:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 01:12:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:12:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:12:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-13 01:12:32,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:12:32,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303145526] [2024-10-13 01:12:32,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303145526] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:12:32,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:12:32,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:12:32,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814168057] [2024-10-13 01:12:32,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:12:32,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:12:32,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:12:32,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:12:32,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:12:32,460 INFO L87 Difference]: Start difference. First operand 243 states and 381 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:12:32,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:12:32,524 INFO L93 Difference]: Finished difference Result 428 states and 657 transitions. [2024-10-13 01:12:32,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:12:32,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 248 [2024-10-13 01:12:32,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:12:32,527 INFO L225 Difference]: With dead ends: 428 [2024-10-13 01:12:32,527 INFO L226 Difference]: Without dead ends: 274 [2024-10-13 01:12:32,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:12:32,528 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 57 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:12:32,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 477 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:12:32,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-10-13 01:12:32,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 232. [2024-10-13 01:12:32,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 145 states have (on average 1.3586206896551725) internal successors, (197), 145 states have internal predecessors, (197), 82 states have call successors, (82), 4 states have call predecessors, (82), 4 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-13 01:12:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 361 transitions. [2024-10-13 01:12:32,551 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 361 transitions. Word has length 248 [2024-10-13 01:12:32,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:12:32,551 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 361 transitions. [2024-10-13 01:12:32,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-13 01:12:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 361 transitions. [2024-10-13 01:12:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-13 01:12:32,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:12:32,553 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:12:32,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 01:12:32,553 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:12:32,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:12:32,553 INFO L85 PathProgramCache]: Analyzing trace with hash -117555944, now seen corresponding path program 1 times [2024-10-13 01:12:32,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:12:32,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280463317] [2024-10-13 01:12:32,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:12:32,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:12:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat