./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-28.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 affd9b0b1d76ed6c0076d3599bdbad65950dbdf7c49581f4e5a006dd746abe7e --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 22:35:25,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:35:25,455 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 22:35:25,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:35:25,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 22:35:25,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:35:25,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 22:35:25,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 22:35:25,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 22:35:25,478 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 22:35:25,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:35:25,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 22:35:25,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:35:25,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:35:25,479 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 22:35:25,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:35:25,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:35:25,480 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:35:25,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:35:25,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:35:25,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:35:25,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:35:25,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:35:25,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:35:25,482 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:35:25,482 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:35:25,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:35:25,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:35:25,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:35:25,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 22:35:25,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 22:35:25,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 22:35:25,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 22:35:25,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:35:25,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:35:25,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:35:25,488 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 22:35:25,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:35:25,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 22:35:25,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 22:35:25,489 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 22:35:25,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 22:35:25,489 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> affd9b0b1d76ed6c0076d3599bdbad65950dbdf7c49581f4e5a006dd746abe7e [2024-11-08 22:35:25,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:35:25,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:35:25,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:35:25,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:35:25,712 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:35:25,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-28.i [2024-11-08 22:35:26,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:35:27,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:35:27,071 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-28.i [2024-11-08 22:35:27,081 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f04f5090f/21e25150162f479aa4267e5e50d9119e/FLAG66ee09247 [2024-11-08 22:35:27,471 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f04f5090f/21e25150162f479aa4267e5e50d9119e [2024-11-08 22:35:27,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:35:27,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:35:27,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:27,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:35:27,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:35:27,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:27,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3abeec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27, skipping insertion in model container [2024-11-08 22:35:27,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:27,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:35:27,725 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-28.i[919,932] [2024-11-08 22:35:27,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:27,820 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:35:27,829 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-28.i[919,932] [2024-11-08 22:35:27,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:35:27,884 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:35:27,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27 WrapperNode [2024-11-08 22:35:27,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:35:27,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:27,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:35:27,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:35:27,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:27,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:27,937 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2024-11-08 22:35:27,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:35:27,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:35:27,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:35:27,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:35:27,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:27,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:27,954 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:27,982 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 22:35:27,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:27,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:27,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:27,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:28,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:28,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:28,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:35:28,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:35:28,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:35:28,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:35:28,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (1/1) ... [2024-11-08 22:35:28,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 22:35:28,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 22:35:28,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 22:35:28,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 22:35:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:35:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:35:28,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:35:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 22:35:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:35:28,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:35:28,148 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:35:28,150 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:35:28,520 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 22:35:28,521 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:35:28,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:35:28,534 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:35:28,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:28 BoogieIcfgContainer [2024-11-08 22:35:28,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:35:28,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 22:35:28,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 22:35:28,540 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 22:35:28,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 10:35:27" (1/3) ... [2024-11-08 22:35:28,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbec0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 10:35:28, skipping insertion in model container [2024-11-08 22:35:28,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:27" (2/3) ... [2024-11-08 22:35:28,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbec0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 10:35:28, skipping insertion in model container [2024-11-08 22:35:28,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:28" (3/3) ... [2024-11-08 22:35:28,542 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-28.i [2024-11-08 22:35:28,555 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 22:35:28,555 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 22:35:28,613 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 22:35:28,618 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;@34ad1162, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 22:35:28,619 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 22:35:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 72 states have (on average 1.4444444444444444) internal successors, (104), 73 states have internal predecessors, (104), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-08 22:35:28,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-08 22:35:28,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:35:28,634 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:35:28,635 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:35:28,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:28,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1448931965, now seen corresponding path program 1 times [2024-11-08 22:35:28,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:35:28,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887090960] [2024-11-08 22:35:28,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:35:28,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:35:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:35:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:35:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:35:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:35:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:35:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:35:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:35:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:35:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:35:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:35:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:35:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:35:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:35:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:35:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:35:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:35:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:35:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:35:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:35:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:35:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 22:35:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 22:35:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 22:35:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 22:35:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 22:35:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 22:35:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 22:35:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 22:35:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-08 22:35:29,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:35:29,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887090960] [2024-11-08 22:35:29,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887090960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:35:29,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:35:29,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 22:35:29,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704640209] [2024-11-08 22:35:29,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:35:29,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 22:35:29,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:35:29,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 22:35:29,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 22:35:29,164 INFO L87 Difference]: Start difference. First operand has 104 states, 72 states have (on average 1.4444444444444444) internal successors, (104), 73 states have internal predecessors, (104), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-08 22:35:29,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:35:29,200 INFO L93 Difference]: Finished difference Result 201 states and 347 transitions. [2024-11-08 22:35:29,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 22:35:29,203 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) Word has length 193 [2024-11-08 22:35:29,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:35:29,210 INFO L225 Difference]: With dead ends: 201 [2024-11-08 22:35:29,210 INFO L226 Difference]: Without dead ends: 100 [2024-11-08 22:35:29,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 22:35:29,219 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 22:35:29,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 22:35:29,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-08 22:35:29,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-08 22:35:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 69 states have (on average 1.391304347826087) internal successors, (96), 69 states have internal predecessors, (96), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-08 22:35:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 154 transitions. [2024-11-08 22:35:29,273 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 154 transitions. Word has length 193 [2024-11-08 22:35:29,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:35:29,274 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 154 transitions. [2024-11-08 22:35:29,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-08 22:35:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2024-11-08 22:35:29,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-08 22:35:29,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:35:29,280 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:35:29,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 22:35:29,280 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:35:29,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:29,281 INFO L85 PathProgramCache]: Analyzing trace with hash -220564151, now seen corresponding path program 1 times [2024-11-08 22:35:29,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:35:29,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350550861] [2024-11-08 22:35:29,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:35:29,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:35:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:35:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:35:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:35:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:35:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:35:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:35:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:35:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:35:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:35:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:35:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:35:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:35:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:35:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:35:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:35:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:35:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:35:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:35:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:35:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:35:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 22:35:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 22:35:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 22:35:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 22:35:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 22:35:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 22:35:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 22:35:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 22:35:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-08 22:35:29,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:35:29,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350550861] [2024-11-08 22:35:29,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350550861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:35:29,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:35:29,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 22:35:29,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179411975] [2024-11-08 22:35:29,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:35:29,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 22:35:29,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:35:29,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 22:35:29,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 22:35:29,664 INFO L87 Difference]: Start difference. First operand 100 states and 154 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:29,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:35:29,696 INFO L93 Difference]: Finished difference Result 198 states and 307 transitions. [2024-11-08 22:35:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 22:35:29,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 193 [2024-11-08 22:35:29,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:35:29,699 INFO L225 Difference]: With dead ends: 198 [2024-11-08 22:35:29,699 INFO L226 Difference]: Without dead ends: 101 [2024-11-08 22:35:29,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 22:35:29,705 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 22:35:29,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 22:35:29,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-08 22:35:29,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-08 22:35:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 70 states have internal predecessors, (97), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-08 22:35:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 155 transitions. [2024-11-08 22:35:29,719 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 155 transitions. Word has length 193 [2024-11-08 22:35:29,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:35:29,721 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 155 transitions. [2024-11-08 22:35:29,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:29,721 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2024-11-08 22:35:29,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-08 22:35:29,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:35:29,726 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:35:29,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 22:35:29,726 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:35:29,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:29,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2026002485, now seen corresponding path program 1 times [2024-11-08 22:35:29,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:35:29,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90468033] [2024-11-08 22:35:29,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:35:29,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:35:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:35:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:35:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:35:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:35:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:35:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:35:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:35:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:35:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:29,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:35:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:35:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:35:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:35:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:35:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:35:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:35:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:35:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:35:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:35:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:35:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:35:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 22:35:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 22:35:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 22:35:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 22:35:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 22:35:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 22:35:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 22:35:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 22:35:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-08 22:35:30,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:35:30,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90468033] [2024-11-08 22:35:30,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90468033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:35:30,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:35:30,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 22:35:30,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559463340] [2024-11-08 22:35:30,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:35:30,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 22:35:30,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:35:30,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 22:35:30,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:35:30,082 INFO L87 Difference]: Start difference. First operand 101 states and 155 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:30,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:35:30,340 INFO L93 Difference]: Finished difference Result 385 states and 601 transitions. [2024-11-08 22:35:30,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 22:35:30,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 193 [2024-11-08 22:35:30,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:35:30,344 INFO L225 Difference]: With dead ends: 385 [2024-11-08 22:35:30,344 INFO L226 Difference]: Without dead ends: 287 [2024-11-08 22:35:30,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 22:35:30,346 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 270 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 22:35:30,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 360 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 22:35:30,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-08 22:35:30,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 247. [2024-11-08 22:35:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 156 states have (on average 1.3269230769230769) internal successors, (207), 156 states have internal predecessors, (207), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-08 22:35:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 381 transitions. [2024-11-08 22:35:30,395 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 381 transitions. Word has length 193 [2024-11-08 22:35:30,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:35:30,395 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 381 transitions. [2024-11-08 22:35:30,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:30,396 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 381 transitions. [2024-11-08 22:35:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-08 22:35:30,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:35:30,397 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:35:30,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 22:35:30,398 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:35:30,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:30,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2050110093, now seen corresponding path program 1 times [2024-11-08 22:35:30,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:35:30,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89010670] [2024-11-08 22:35:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:35:30,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:35:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:35:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:35:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:35:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:35:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:35:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:35:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:35:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:35:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:35:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:35:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:35:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:35:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:35:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:35:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:35:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:35:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:35:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:35:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:35:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:35:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 22:35:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 22:35:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 22:35:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 22:35:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 22:35:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 22:35:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 22:35:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 22:35:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-08 22:35:30,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:35:30,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89010670] [2024-11-08 22:35:30,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89010670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:35:30,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:35:30,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 22:35:30,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226837820] [2024-11-08 22:35:30,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:35:30,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 22:35:30,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:35:30,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 22:35:30,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:35:30,562 INFO L87 Difference]: Start difference. First operand 247 states and 381 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:30,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:35:30,677 INFO L93 Difference]: Finished difference Result 497 states and 774 transitions. [2024-11-08 22:35:30,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 22:35:30,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 193 [2024-11-08 22:35:30,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:35:30,680 INFO L225 Difference]: With dead ends: 497 [2024-11-08 22:35:30,680 INFO L226 Difference]: Without dead ends: 301 [2024-11-08 22:35:30,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:35:30,684 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 58 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 22:35:30,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 392 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 22:35:30,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-08 22:35:30,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 258. [2024-11-08 22:35:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 167 states have (on average 1.3293413173652695) internal successors, (222), 167 states have internal predecessors, (222), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-08 22:35:30,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 396 transitions. [2024-11-08 22:35:30,716 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 396 transitions. Word has length 193 [2024-11-08 22:35:30,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:35:30,716 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 396 transitions. [2024-11-08 22:35:30,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:30,716 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 396 transitions. [2024-11-08 22:35:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-08 22:35:30,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:35:30,718 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:35:30,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 22:35:30,718 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:35:30,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:30,718 INFO L85 PathProgramCache]: Analyzing trace with hash -2104308593, now seen corresponding path program 1 times [2024-11-08 22:35:30,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:35:30,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694199255] [2024-11-08 22:35:30,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:35:30,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:35:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:35:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:35:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:35:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:35:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:35:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:35:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:35:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:35:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:35:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:35:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:35:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:35:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:35:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:35:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:35:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:35:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:35:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:35:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:35:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:35:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 22:35:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 22:35:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 22:35:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 22:35:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 22:35:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 22:35:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 22:35:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 22:35:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:30,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-08 22:35:30,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:35:30,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694199255] [2024-11-08 22:35:30,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694199255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:35:30,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:35:30,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 22:35:30,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559582274] [2024-11-08 22:35:30,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:35:30,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 22:35:30,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:35:30,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 22:35:30,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 22:35:30,998 INFO L87 Difference]: Start difference. First operand 258 states and 396 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:31,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:35:31,068 INFO L93 Difference]: Finished difference Result 461 states and 709 transitions. [2024-11-08 22:35:31,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 22:35:31,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 193 [2024-11-08 22:35:31,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:35:31,071 INFO L225 Difference]: With dead ends: 461 [2024-11-08 22:35:31,071 INFO L226 Difference]: Without dead ends: 265 [2024-11-08 22:35:31,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 22:35:31,073 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 61 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 22:35:31,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 252 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 22:35:31,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-08 22:35:31,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 257. [2024-11-08 22:35:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 166 states have (on average 1.319277108433735) internal successors, (219), 166 states have internal predecessors, (219), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-08 22:35:31,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 393 transitions. [2024-11-08 22:35:31,088 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 393 transitions. Word has length 193 [2024-11-08 22:35:31,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:35:31,089 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 393 transitions. [2024-11-08 22:35:31,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:31,094 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 393 transitions. [2024-11-08 22:35:31,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-08 22:35:31,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:35:31,095 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:35:31,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 22:35:31,096 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:35:31,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:31,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1958832099, now seen corresponding path program 1 times [2024-11-08 22:35:31,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:35:31,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093948904] [2024-11-08 22:35:31,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:35:31,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:35:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:35:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:35:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:35:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:35:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:35:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:35:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:35:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:35:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:35:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:35:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:35:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:35:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:35:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:35:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:35:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:35:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:35:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:35:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:35:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:35:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 22:35:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 22:35:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 22:35:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 22:35:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 22:35:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 22:35:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 22:35:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 22:35:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-08 22:35:31,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:35:31,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093948904] [2024-11-08 22:35:31,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093948904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:35:31,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:35:31,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 22:35:31,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79785810] [2024-11-08 22:35:31,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:35:31,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 22:35:31,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:35:31,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 22:35:31,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 22:35:31,283 INFO L87 Difference]: Start difference. First operand 257 states and 393 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:31,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:35:31,418 INFO L93 Difference]: Finished difference Result 477 states and 734 transitions. [2024-11-08 22:35:31,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 22:35:31,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 194 [2024-11-08 22:35:31,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:35:31,420 INFO L225 Difference]: With dead ends: 477 [2024-11-08 22:35:31,420 INFO L226 Difference]: Without dead ends: 282 [2024-11-08 22:35:31,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 22:35:31,421 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 80 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 22:35:31,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 627 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 22:35:31,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-08 22:35:31,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 258. [2024-11-08 22:35:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 167 states have (on average 1.3173652694610778) internal successors, (220), 167 states have internal predecessors, (220), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-08 22:35:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 394 transitions. [2024-11-08 22:35:31,442 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 394 transitions. Word has length 194 [2024-11-08 22:35:31,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:35:31,442 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 394 transitions. [2024-11-08 22:35:31,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 394 transitions. [2024-11-08 22:35:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-08 22:35:31,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:35:31,446 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:35:31,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 22:35:31,447 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:35:31,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:31,450 INFO L85 PathProgramCache]: Analyzing trace with hash 530696863, now seen corresponding path program 1 times [2024-11-08 22:35:31,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:35:31,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534253858] [2024-11-08 22:35:31,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:35:31,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:35:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:35:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:35:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:35:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:35:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:35:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:35:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:35:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:35:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:35:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:35:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:35:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:35:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:35:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:35:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:35:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:35:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:35:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:35:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:35:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:35:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 22:35:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 22:35:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 22:35:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 22:35:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 22:35:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 22:35:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 22:35:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 22:35:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-08 22:35:31,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:35:31,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534253858] [2024-11-08 22:35:31,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534253858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:35:31,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:35:31,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 22:35:31,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274547442] [2024-11-08 22:35:31,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:35:31,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 22:35:31,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:35:31,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 22:35:31,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 22:35:31,753 INFO L87 Difference]: Start difference. First operand 258 states and 394 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:31,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:35:31,825 INFO L93 Difference]: Finished difference Result 461 states and 706 transitions. [2024-11-08 22:35:31,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 22:35:31,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 194 [2024-11-08 22:35:31,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:35:31,827 INFO L225 Difference]: With dead ends: 461 [2024-11-08 22:35:31,827 INFO L226 Difference]: Without dead ends: 265 [2024-11-08 22:35:31,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 22:35:31,828 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 59 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 22:35:31,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 253 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 22:35:31,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-08 22:35:31,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 257. [2024-11-08 22:35:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 166 states have (on average 1.3132530120481927) internal successors, (218), 166 states have internal predecessors, (218), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-08 22:35:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 392 transitions. [2024-11-08 22:35:31,848 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 392 transitions. Word has length 194 [2024-11-08 22:35:31,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:35:31,848 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 392 transitions. [2024-11-08 22:35:31,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 392 transitions. [2024-11-08 22:35:31,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-08 22:35:31,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:35:31,850 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:35:31,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 22:35:31,850 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:35:31,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:31,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2079061846, now seen corresponding path program 1 times [2024-11-08 22:35:31,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:35:31,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000953724] [2024-11-08 22:35:31,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:35:31,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:35:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:35:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:35:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:35:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:35:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:35:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:35:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:35:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:35:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:35:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:35:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:35:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:35:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:35:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:35:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:35:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:35:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:35:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:35:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:35:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:35:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 22:35:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 22:35:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 22:35:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 22:35:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 22:35:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 22:35:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 22:35:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:31,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 22:35:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-08 22:35:32,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:35:32,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000953724] [2024-11-08 22:35:32,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000953724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:35:32,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:35:32,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 22:35:32,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616337756] [2024-11-08 22:35:32,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:35:32,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 22:35:32,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:35:32,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 22:35:32,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:35:32,003 INFO L87 Difference]: Start difference. First operand 257 states and 392 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:32,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:35:32,093 INFO L93 Difference]: Finished difference Result 466 states and 714 transitions. [2024-11-08 22:35:32,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 22:35:32,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 195 [2024-11-08 22:35:32,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:35:32,096 INFO L225 Difference]: With dead ends: 466 [2024-11-08 22:35:32,096 INFO L226 Difference]: Without dead ends: 270 [2024-11-08 22:35:32,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:35:32,100 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 21 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 22:35:32,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 430 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 22:35:32,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-08 22:35:32,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 256. [2024-11-08 22:35:32,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 165 states have (on average 1.303030303030303) internal successors, (215), 165 states have internal predecessors, (215), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-08 22:35:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 389 transitions. [2024-11-08 22:35:32,126 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 389 transitions. Word has length 195 [2024-11-08 22:35:32,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:35:32,127 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 389 transitions. [2024-11-08 22:35:32,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:35:32,128 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 389 transitions. [2024-11-08 22:35:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-08 22:35:32,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:35:32,131 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:35:32,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 22:35:32,131 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:35:32,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:32,132 INFO L85 PathProgramCache]: Analyzing trace with hash 410467116, now seen corresponding path program 1 times [2024-11-08 22:35:32,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:35:32,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187838151] [2024-11-08 22:35:32,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:35:32,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:36:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:36:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:36:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:36:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:36:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:36:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:36:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:36:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:36:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:36:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 22:36:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 22:36:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 22:36:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 22:36:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 22:36:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 22:36:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:34,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 22:36:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:35,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 22:36:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:35,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-08 22:36:35,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:35,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187838151] [2024-11-08 22:36:35,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187838151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:35,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:35,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 22:36:35,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097837566] [2024-11-08 22:36:35,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:35,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 22:36:35,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:35,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 22:36:35,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-08 22:36:35,006 INFO L87 Difference]: Start difference. First operand 256 states and 389 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:36:37,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:37,179 INFO L93 Difference]: Finished difference Result 742 states and 1119 transitions. [2024-11-08 22:36:37,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 22:36:37,180 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 195 [2024-11-08 22:36:37,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:37,182 INFO L225 Difference]: With dead ends: 742 [2024-11-08 22:36:37,182 INFO L226 Difference]: Without dead ends: 555 [2024-11-08 22:36:37,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-11-08 22:36:37,187 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 574 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:37,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 777 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 22:36:37,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-08 22:36:37,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 454. [2024-11-08 22:36:37,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 303 states have (on average 1.3333333333333333) internal successors, (404), 303 states have internal predecessors, (404), 145 states have call successors, (145), 5 states have call predecessors, (145), 5 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-08 22:36:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 694 transitions. [2024-11-08 22:36:37,211 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 694 transitions. Word has length 195 [2024-11-08 22:36:37,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:37,212 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 694 transitions. [2024-11-08 22:36:37,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:36:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 694 transitions. [2024-11-08 22:36:37,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-08 22:36:37,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:37,213 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:36:37,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 22:36:37,214 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:37,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:37,214 INFO L85 PathProgramCache]: Analyzing trace with hash 17440106, now seen corresponding path program 1 times [2024-11-08 22:36:37,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:37,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903310204] [2024-11-08 22:36:37,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:37,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:36:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:36:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:36:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:36:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:36:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:36:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:36:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:36:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:36:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:36:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:36:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:36:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:36:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:36:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:36:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:36:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:36:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:36:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:36:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 22:36:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 22:36:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 22:36:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 22:36:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 22:36:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 22:36:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-08 22:36:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 22:36:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 22:36:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 22:36:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-08 22:36:37,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:36:37,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903310204] [2024-11-08 22:36:37,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903310204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:36:37,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:36:37,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 22:36:37,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086351886] [2024-11-08 22:36:37,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:36:37,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 22:36:37,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:36:37,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 22:36:37,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 22:36:37,345 INFO L87 Difference]: Start difference. First operand 454 states and 694 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:36:37,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:36:37,597 INFO L93 Difference]: Finished difference Result 1105 states and 1692 transitions. [2024-11-08 22:36:37,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 22:36:37,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 195 [2024-11-08 22:36:37,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:36:37,601 INFO L225 Difference]: With dead ends: 1105 [2024-11-08 22:36:37,601 INFO L226 Difference]: Without dead ends: 720 [2024-11-08 22:36:37,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 22:36:37,603 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 404 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 22:36:37,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 565 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 22:36:37,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-08 22:36:37,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 609. [2024-11-08 22:36:37,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 398 states have (on average 1.306532663316583) internal successors, (520), 398 states have internal predecessors, (520), 203 states have call successors, (203), 7 states have call predecessors, (203), 7 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-08 22:36:37,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 926 transitions. [2024-11-08 22:36:37,636 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 926 transitions. Word has length 195 [2024-11-08 22:36:37,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:36:37,637 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 926 transitions. [2024-11-08 22:36:37,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-08 22:36:37,637 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 926 transitions. [2024-11-08 22:36:37,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-08 22:36:37,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:36:37,638 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:36:37,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 22:36:37,639 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:36:37,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:37,639 INFO L85 PathProgramCache]: Analyzing trace with hash -600650134, now seen corresponding path program 1 times [2024-11-08 22:36:37,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:36:37,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012345720] [2024-11-08 22:36:37,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:36:37,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat