./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce9fa65ad297a46fd1c0c7bb56056c5a0304efd02803c9735a082016b49852e1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:04:02,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:04:02,171 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:04:02,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:04:02,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:04:02,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:04:02,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:04:02,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:04:02,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:04:02,197 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:04:02,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:04:02,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:04:02,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:04:02,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:04:02,201 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:04:02,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:04:02,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:04:02,202 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:04:02,202 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:04:02,202 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:04:02,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:04:02,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:04:02,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:04:02,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:04:02,206 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:04:02,206 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:04:02,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:04:02,207 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:04:02,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:04:02,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:04:02,207 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:04:02,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:04:02,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:04:02,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:04:02,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:04:02,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:04:02,208 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:04:02,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:04:02,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:04:02,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:04:02,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:04:02,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:04:02,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce9fa65ad297a46fd1c0c7bb56056c5a0304efd02803c9735a082016b49852e1 [2024-10-13 02:04:02,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:04:02,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:04:02,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:04:02,478 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:04:02,478 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:04:02,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-86.i [2024-10-13 02:04:03,766 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:04:03,950 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:04:03,951 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-86.i [2024-10-13 02:04:03,966 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/952a2180e/9bf51ae86ef14960ba32deba8aa5a650/FLAG5e0de5851 [2024-10-13 02:04:04,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/952a2180e/9bf51ae86ef14960ba32deba8aa5a650 [2024-10-13 02:04:04,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:04:04,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:04:04,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:04:04,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:04:04,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:04:04,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c201a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04, skipping insertion in model container [2024-10-13 02:04:04,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:04:04,511 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-86.i[919,932] [2024-10-13 02:04:04,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:04:04,588 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:04:04,599 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-86.i[919,932] [2024-10-13 02:04:04,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:04:04,644 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:04:04,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04 WrapperNode [2024-10-13 02:04:04,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:04:04,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:04:04,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:04:04,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:04:04,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,709 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2024-10-13 02:04:04,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:04:04,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:04:04,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:04:04,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:04:04,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,742 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 02:04:04,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:04:04,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:04:04,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:04:04,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:04:04,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (1/1) ... [2024-10-13 02:04:04,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:04:04,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:04:04,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 02:04:04,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 02:04:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:04:04,919 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:04:04,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:04:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:04:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:04:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:04:05,007 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:04:05,010 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:04:05,448 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-13 02:04:05,449 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:04:05,481 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:04:05,482 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:04:05,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:04:05 BoogieIcfgContainer [2024-10-13 02:04:05,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:04:05,484 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:04:05,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:04:05,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:04:05,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:04:04" (1/3) ... [2024-10-13 02:04:05,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d4aa71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:04:05, skipping insertion in model container [2024-10-13 02:04:05,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:04:04" (2/3) ... [2024-10-13 02:04:05,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d4aa71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:04:05, skipping insertion in model container [2024-10-13 02:04:05,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:04:05" (3/3) ... [2024-10-13 02:04:05,491 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-86.i [2024-10-13 02:04:05,504 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:04:05,505 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:04:05,554 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:04:05,559 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;@23b64801, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:04:05,560 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:04:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 61 states have (on average 1.540983606557377) internal successors, (94), 62 states have internal predecessors, (94), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 02:04:05,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-13 02:04:05,580 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:05,580 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:04:05,581 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:05,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:05,587 INFO L85 PathProgramCache]: Analyzing trace with hash 431049463, now seen corresponding path program 1 times [2024-10-13 02:04:05,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:05,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124414469] [2024-10-13 02:04:05,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:05,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:04:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:04:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:05,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:04:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:04:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:04:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:04:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:04:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:04:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:04:06,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:06,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124414469] [2024-10-13 02:04:06,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124414469] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:06,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:06,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 02:04:06,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37145920] [2024-10-13 02:04:06,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:06,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 02:04:06,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:06,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 02:04:06,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:04:06,089 INFO L87 Difference]: Start difference. First operand has 91 states, 61 states have (on average 1.540983606557377) internal successors, (94), 62 states have internal predecessors, (94), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 02:04:06,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:06,136 INFO L93 Difference]: Finished difference Result 179 states and 321 transitions. [2024-10-13 02:04:06,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 02:04:06,139 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 170 [2024-10-13 02:04:06,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:06,147 INFO L225 Difference]: With dead ends: 179 [2024-10-13 02:04:06,148 INFO L226 Difference]: Without dead ends: 89 [2024-10-13 02:04:06,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:04:06,156 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:06,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:04:06,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-13 02:04:06,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-13 02:04:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 60 states have internal predecessors, (88), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 02:04:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 142 transitions. [2024-10-13 02:04:06,205 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 142 transitions. Word has length 170 [2024-10-13 02:04:06,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:06,206 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 142 transitions. [2024-10-13 02:04:06,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 02:04:06,206 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2024-10-13 02:04:06,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-13 02:04:06,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:06,213 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:04:06,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:04:06,213 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:06,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:06,214 INFO L85 PathProgramCache]: Analyzing trace with hash 728615097, now seen corresponding path program 1 times [2024-10-13 02:04:06,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:06,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817474105] [2024-10-13 02:04:06,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:06,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:04:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:04:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:04:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:04:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:04:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:04:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:04:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:04:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:04:06,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:06,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817474105] [2024-10-13 02:04:06,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817474105] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:06,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:06,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:04:06,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547196700] [2024-10-13 02:04:06,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:06,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:04:06,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:06,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:04:06,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:04:06,558 INFO L87 Difference]: Start difference. First operand 89 states and 142 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:06,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:06,607 INFO L93 Difference]: Finished difference Result 178 states and 285 transitions. [2024-10-13 02:04:06,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:04:06,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-10-13 02:04:06,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:06,614 INFO L225 Difference]: With dead ends: 178 [2024-10-13 02:04:06,616 INFO L226 Difference]: Without dead ends: 90 [2024-10-13 02:04:06,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:04:06,620 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:06,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 271 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:04:06,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-10-13 02:04:06,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-10-13 02:04:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.459016393442623) internal successors, (89), 61 states have internal predecessors, (89), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 02:04:06,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 143 transitions. [2024-10-13 02:04:06,638 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 143 transitions. Word has length 170 [2024-10-13 02:04:06,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:06,641 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 143 transitions. [2024-10-13 02:04:06,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:06,641 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2024-10-13 02:04:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-13 02:04:06,643 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:06,643 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:04:06,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 02:04:06,643 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:06,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:06,645 INFO L85 PathProgramCache]: Analyzing trace with hash 785873399, now seen corresponding path program 1 times [2024-10-13 02:04:06,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:06,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012678720] [2024-10-13 02:04:06,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:06,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:04:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:04:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:04:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:04:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:04:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:04:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:04:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:04:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:06,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:04:06,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:06,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012678720] [2024-10-13 02:04:06,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012678720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:06,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:06,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:04:06,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039967186] [2024-10-13 02:04:06,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:06,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:04:06,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:06,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:04:06,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:04:06,976 INFO L87 Difference]: Start difference. First operand 90 states and 143 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:07,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:07,221 INFO L93 Difference]: Finished difference Result 269 states and 428 transitions. [2024-10-13 02:04:07,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:04:07,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-10-13 02:04:07,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:07,223 INFO L225 Difference]: With dead ends: 269 [2024-10-13 02:04:07,223 INFO L226 Difference]: Without dead ends: 180 [2024-10-13 02:04:07,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:04:07,225 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 110 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:07,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 477 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:04:07,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-13 02:04:07,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 136. [2024-10-13 02:04:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 79 states have (on average 1.3544303797468353) internal successors, (107), 79 states have internal predecessors, (107), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 02:04:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 215 transitions. [2024-10-13 02:04:07,246 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 215 transitions. Word has length 170 [2024-10-13 02:04:07,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:07,246 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 215 transitions. [2024-10-13 02:04:07,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 215 transitions. [2024-10-13 02:04:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-13 02:04:07,248 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:07,248 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:04:07,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 02:04:07,249 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:07,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:07,249 INFO L85 PathProgramCache]: Analyzing trace with hash -31775051, now seen corresponding path program 1 times [2024-10-13 02:04:07,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:07,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774733485] [2024-10-13 02:04:07,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:07,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:04:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:04:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:04:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:04:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:04:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:04:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:04:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:04:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:04:14,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:14,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774733485] [2024-10-13 02:04:14,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774733485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:14,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:14,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 02:04:14,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499824086] [2024-10-13 02:04:14,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:14,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 02:04:14,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:14,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 02:04:14,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-10-13 02:04:14,183 INFO L87 Difference]: Start difference. First operand 136 states and 215 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:17,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:17,560 INFO L93 Difference]: Finished difference Result 421 states and 668 transitions. [2024-10-13 02:04:17,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 02:04:17,564 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-10-13 02:04:17,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:17,567 INFO L225 Difference]: With dead ends: 421 [2024-10-13 02:04:17,567 INFO L226 Difference]: Without dead ends: 332 [2024-10-13 02:04:17,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-10-13 02:04:17,569 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 847 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:17,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 738 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-13 02:04:17,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-10-13 02:04:17,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 177. [2024-10-13 02:04:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 120 states have (on average 1.425) internal successors, (171), 120 states have internal predecessors, (171), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 02:04:17,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 279 transitions. [2024-10-13 02:04:17,599 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 279 transitions. Word has length 170 [2024-10-13 02:04:17,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:17,599 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 279 transitions. [2024-10-13 02:04:17,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:17,600 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 279 transitions. [2024-10-13 02:04:17,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-13 02:04:17,602 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:17,602 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:04:17,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 02:04:17,603 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:17,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:17,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1620122953, now seen corresponding path program 1 times [2024-10-13 02:04:17,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:17,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14832988] [2024-10-13 02:04:17,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:17,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:04:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:04:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:04:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:04:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:04:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:04:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:04:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:04:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:04:17,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:17,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14832988] [2024-10-13 02:04:17,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14832988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:17,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:17,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:04:17,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538233109] [2024-10-13 02:04:17,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:17,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:04:17,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:17,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:04:17,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:04:17,739 INFO L87 Difference]: Start difference. First operand 177 states and 279 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:17,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:17,782 INFO L93 Difference]: Finished difference Result 354 states and 561 transitions. [2024-10-13 02:04:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:04:17,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-10-13 02:04:17,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:17,785 INFO L225 Difference]: With dead ends: 354 [2024-10-13 02:04:17,785 INFO L226 Difference]: Without dead ends: 265 [2024-10-13 02:04:17,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:04:17,786 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 134 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:17,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 320 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:04:17,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-10-13 02:04:17,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 263. [2024-10-13 02:04:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 178 states have (on average 1.4213483146067416) internal successors, (253), 178 states have internal predecessors, (253), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 02:04:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 415 transitions. [2024-10-13 02:04:17,814 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 415 transitions. Word has length 170 [2024-10-13 02:04:17,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:17,815 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 415 transitions. [2024-10-13 02:04:17,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 415 transitions. [2024-10-13 02:04:17,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 02:04:17,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:17,817 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:04:17,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 02:04:17,817 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:17,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:17,818 INFO L85 PathProgramCache]: Analyzing trace with hash 410482517, now seen corresponding path program 1 times [2024-10-13 02:04:17,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:17,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170723634] [2024-10-13 02:04:17,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:17,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:23,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:23,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:23,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:23,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:23,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:23,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:23,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:23,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:23,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:23,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:23,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:23,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:04:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:04:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:04:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:04:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:04:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:04:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:04:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:04:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:04:24,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:24,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170723634] [2024-10-13 02:04:24,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170723634] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:24,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:24,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-13 02:04:24,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580683889] [2024-10-13 02:04:24,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:24,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 02:04:24,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:24,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 02:04:24,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-10-13 02:04:24,092 INFO L87 Difference]: Start difference. First operand 263 states and 415 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-10-13 02:04:27,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:27,497 INFO L93 Difference]: Finished difference Result 409 states and 637 transitions. [2024-10-13 02:04:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 02:04:27,498 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 171 [2024-10-13 02:04:27,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:27,501 INFO L225 Difference]: With dead ends: 409 [2024-10-13 02:04:27,501 INFO L226 Difference]: Without dead ends: 407 [2024-10-13 02:04:27,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2024-10-13 02:04:27,505 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 803 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:27,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [803 Valid, 1116 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-13 02:04:27,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-10-13 02:04:27,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 264. [2024-10-13 02:04:27,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 179 states have (on average 1.4189944134078212) internal successors, (254), 179 states have internal predecessors, (254), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 02:04:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 416 transitions. [2024-10-13 02:04:27,529 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 416 transitions. Word has length 171 [2024-10-13 02:04:27,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:27,530 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 416 transitions. [2024-10-13 02:04:27,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 3 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-10-13 02:04:27,530 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 416 transitions. [2024-10-13 02:04:27,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 02:04:27,531 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:27,532 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:04:27,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 02:04:27,532 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:27,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:27,532 INFO L85 PathProgramCache]: Analyzing trace with hash 322385903, now seen corresponding path program 1 times [2024-10-13 02:04:27,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:27,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68851014] [2024-10-13 02:04:27,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:27,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:04:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:04:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:04:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:04:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:04:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:04:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:04:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:04:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:04:27,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:27,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68851014] [2024-10-13 02:04:27,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68851014] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:27,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:27,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:04:27,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435921734] [2024-10-13 02:04:27,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:27,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:04:27,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:27,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:04:27,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:04:27,813 INFO L87 Difference]: Start difference. First operand 264 states and 416 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:27,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:27,846 INFO L93 Difference]: Finished difference Result 500 states and 793 transitions. [2024-10-13 02:04:27,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 02:04:27,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2024-10-13 02:04:27,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:27,850 INFO L225 Difference]: With dead ends: 500 [2024-10-13 02:04:27,850 INFO L226 Difference]: Without dead ends: 322 [2024-10-13 02:04:27,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:04:27,854 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 47 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:27,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 308 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:04:27,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-13 02:04:27,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 264. [2024-10-13 02:04:27,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 179 states have (on average 1.4022346368715084) internal successors, (251), 179 states have internal predecessors, (251), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 02:04:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 413 transitions. [2024-10-13 02:04:27,875 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 413 transitions. Word has length 171 [2024-10-13 02:04:27,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:27,878 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 413 transitions. [2024-10-13 02:04:27,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:27,878 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 413 transitions. [2024-10-13 02:04:27,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 02:04:27,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:27,880 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:04:27,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 02:04:27,881 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:27,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:27,881 INFO L85 PathProgramCache]: Analyzing trace with hash -264420111, now seen corresponding path program 1 times [2024-10-13 02:04:27,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:27,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499069226] [2024-10-13 02:04:27,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:27,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:04:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:04:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:04:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:04:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:04:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:04:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:04:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:04:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:04:33,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:33,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499069226] [2024-10-13 02:04:33,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499069226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:33,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:33,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-13 02:04:33,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77831265] [2024-10-13 02:04:33,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:33,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 02:04:33,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:33,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 02:04:33,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-10-13 02:04:33,484 INFO L87 Difference]: Start difference. First operand 264 states and 413 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 02:04:38,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:38,662 INFO L93 Difference]: Finished difference Result 637 states and 995 transitions. [2024-10-13 02:04:38,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-13 02:04:38,664 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 171 [2024-10-13 02:04:38,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:38,669 INFO L225 Difference]: With dead ends: 637 [2024-10-13 02:04:38,669 INFO L226 Difference]: Without dead ends: 436 [2024-10-13 02:04:38,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=303, Invalid=887, Unknown=0, NotChecked=0, Total=1190 [2024-10-13 02:04:38,671 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 765 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:38,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 1208 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-13 02:04:38,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-10-13 02:04:38,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 265. [2024-10-13 02:04:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 180 states have (on average 1.3944444444444444) internal successors, (251), 180 states have internal predecessors, (251), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-13 02:04:38,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 413 transitions. [2024-10-13 02:04:38,698 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 413 transitions. Word has length 171 [2024-10-13 02:04:38,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:38,700 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 413 transitions. [2024-10-13 02:04:38,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 02:04:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 413 transitions. [2024-10-13 02:04:38,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 02:04:38,703 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:38,704 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:04:38,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 02:04:38,704 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:38,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:38,705 INFO L85 PathProgramCache]: Analyzing trace with hash 149427406, now seen corresponding path program 1 times [2024-10-13 02:04:38,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:38,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675084713] [2024-10-13 02:04:38,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:38,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:04:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:04:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:04:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:04:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:04:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:04:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:04:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:04:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:04:38,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:38,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675084713] [2024-10-13 02:04:38,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675084713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:38,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:38,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:04:38,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761467313] [2024-10-13 02:04:38,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:38,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:04:38,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:38,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:04:38,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:04:38,932 INFO L87 Difference]: Start difference. First operand 265 states and 413 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:38,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:38,986 INFO L93 Difference]: Finished difference Result 530 states and 829 transitions. [2024-10-13 02:04:38,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:04:38,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2024-10-13 02:04:38,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:38,990 INFO L225 Difference]: With dead ends: 530 [2024-10-13 02:04:38,991 INFO L226 Difference]: Without dead ends: 355 [2024-10-13 02:04:38,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:04:38,993 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 84 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:38,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 323 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:04:38,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-13 02:04:39,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2024-10-13 02:04:39,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 240 states have (on average 1.3958333333333333) internal successors, (335), 240 states have internal predecessors, (335), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-13 02:04:39,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 551 transitions. [2024-10-13 02:04:39,026 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 551 transitions. Word has length 171 [2024-10-13 02:04:39,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:39,026 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 551 transitions. [2024-10-13 02:04:39,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 551 transitions. [2024-10-13 02:04:39,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 02:04:39,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:39,031 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:04:39,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 02:04:39,031 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:39,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:39,031 INFO L85 PathProgramCache]: Analyzing trace with hash -243599604, now seen corresponding path program 1 times [2024-10-13 02:04:39,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:39,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551913226] [2024-10-13 02:04:39,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:39,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:04:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:04:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:04:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:04:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:04:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:04:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:04:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:04:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:46,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:04:46,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:46,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551913226] [2024-10-13 02:04:46,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551913226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:46,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:46,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 02:04:46,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709255286] [2024-10-13 02:04:46,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:46,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 02:04:46,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:46,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 02:04:46,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-10-13 02:04:46,187 INFO L87 Difference]: Start difference. First operand 353 states and 551 transitions. Second operand has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:49,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:49,118 INFO L93 Difference]: Finished difference Result 566 states and 869 transitions. [2024-10-13 02:04:49,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 02:04:49,120 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2024-10-13 02:04:49,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:49,124 INFO L225 Difference]: With dead ends: 566 [2024-10-13 02:04:49,124 INFO L226 Difference]: Without dead ends: 564 [2024-10-13 02:04:49,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2024-10-13 02:04:49,126 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 588 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:49,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 1098 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 02:04:49,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-10-13 02:04:49,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 387. [2024-10-13 02:04:49,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 274 states have (on average 1.416058394160584) internal successors, (388), 274 states have internal predecessors, (388), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-13 02:04:49,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 604 transitions. [2024-10-13 02:04:49,170 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 604 transitions. Word has length 171 [2024-10-13 02:04:49,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:49,171 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 604 transitions. [2024-10-13 02:04:49,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:04:49,171 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 604 transitions. [2024-10-13 02:04:49,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 02:04:49,173 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:49,173 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:04:49,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 02:04:49,173 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:49,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:49,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1523463282, now seen corresponding path program 1 times [2024-10-13 02:04:49,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:49,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84176792] [2024-10-13 02:04:49,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:49,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:04:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:04:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:04:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:04:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:04:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:04:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:04:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:04:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:04:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:04:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:04:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:04:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:04:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:04:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:04:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:04:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:04:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:04:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:04:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:04:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:04:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:04:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:04:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:04:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:04:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:04:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:04:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:04:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:04:53,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:04:53,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84176792] [2024-10-13 02:04:53,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84176792] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:04:53,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:04:53,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-13 02:04:53,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668681371] [2024-10-13 02:04:53,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:04:53,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 02:04:53,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:04:53,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 02:04:53,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-10-13 02:04:53,510 INFO L87 Difference]: Start difference. First operand 387 states and 604 transitions. Second operand has 16 states, 15 states have (on average 2.6) internal successors, (39), 16 states have internal predecessors, (39), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 02:04:57,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:04:57,452 INFO L93 Difference]: Finished difference Result 560 states and 863 transitions. [2024-10-13 02:04:57,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 02:04:57,453 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.6) internal successors, (39), 16 states have internal predecessors, (39), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 171 [2024-10-13 02:04:57,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:04:57,456 INFO L225 Difference]: With dead ends: 560 [2024-10-13 02:04:57,457 INFO L226 Difference]: Without dead ends: 558 [2024-10-13 02:04:57,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=280, Invalid=650, Unknown=0, NotChecked=0, Total=930 [2024-10-13 02:04:57,458 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 734 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:04:57,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 910 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 02:04:57,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-10-13 02:04:57,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 387. [2024-10-13 02:04:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 274 states have (on average 1.416058394160584) internal successors, (388), 274 states have internal predecessors, (388), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-13 02:04:57,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 604 transitions. [2024-10-13 02:04:57,482 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 604 transitions. Word has length 171 [2024-10-13 02:04:57,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:04:57,484 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 604 transitions. [2024-10-13 02:04:57,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.6) internal successors, (39), 16 states have internal predecessors, (39), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 02:04:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 604 transitions. [2024-10-13 02:04:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-13 02:04:57,486 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:04:57,487 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:04:57,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 02:04:57,487 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:04:57,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:04:57,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1788420249, now seen corresponding path program 1 times [2024-10-13 02:04:57,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:04:57,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433869881] [2024-10-13 02:04:57,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:04:57,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:04:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:05:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:05:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:05:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:05:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:05:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:05:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:05:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:05:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:05:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:05:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:05:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:05:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:05:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:05:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:05:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:05:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:05:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:05:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:05:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:05:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:05:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:05:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:05:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:05:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:05:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:05:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:05:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:04,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:05:04,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:05:04,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433869881] [2024-10-13 02:05:04,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433869881] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:05:04,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:05:04,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-13 02:05:04,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339541356] [2024-10-13 02:05:04,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:05:04,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 02:05:04,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:05:04,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 02:05:04,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-10-13 02:05:04,631 INFO L87 Difference]: Start difference. First operand 387 states and 604 transitions. Second operand has 17 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 17 states have internal predecessors, (40), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 02:05:11,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:05:11,633 INFO L93 Difference]: Finished difference Result 726 states and 1129 transitions. [2024-10-13 02:05:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-13 02:05:11,636 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 17 states have internal predecessors, (40), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 172 [2024-10-13 02:05:11,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:05:11,639 INFO L225 Difference]: With dead ends: 726 [2024-10-13 02:05:11,639 INFO L226 Difference]: Without dead ends: 551 [2024-10-13 02:05:11,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=335, Invalid=997, Unknown=0, NotChecked=0, Total=1332 [2024-10-13 02:05:11,641 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 967 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 967 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-13 02:05:11,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [967 Valid, 1428 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-13 02:05:11,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-10-13 02:05:11,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 407. [2024-10-13 02:05:11,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 294 states have (on average 1.4285714285714286) internal successors, (420), 294 states have internal predecessors, (420), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-13 02:05:11,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 636 transitions. [2024-10-13 02:05:11,663 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 636 transitions. Word has length 172 [2024-10-13 02:05:11,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:05:11,664 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 636 transitions. [2024-10-13 02:05:11,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 17 states have internal predecessors, (40), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 02:05:11,664 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 636 transitions. [2024-10-13 02:05:11,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-13 02:05:11,665 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:05:11,666 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:05:11,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 02:05:11,666 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:05:11,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:05:11,666 INFO L85 PathProgramCache]: Analyzing trace with hash 2040828956, now seen corresponding path program 1 times [2024-10-13 02:05:11,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:05:11,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775833229] [2024-10-13 02:05:11,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:05:11,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:05:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:05:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:05:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:05:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:05:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:05:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:05:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:05:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:05:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:05:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:05:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:05:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:05:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 02:05:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:05:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 02:05:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:05:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 02:05:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:05:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 02:05:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:05:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 02:05:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:05:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 02:05:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:05:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 02:05:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:05:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 02:05:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:05:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 02:05:18,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:05:18,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775833229] [2024-10-13 02:05:18,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775833229] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:05:18,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:05:18,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 02:05:18,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111419314] [2024-10-13 02:05:18,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:05:18,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 02:05:18,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:05:18,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 02:05:18,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-13 02:05:18,567 INFO L87 Difference]: Start difference. First operand 407 states and 636 transitions. Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:05:25,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:05:25,147 INFO L93 Difference]: Finished difference Result 585 states and 901 transitions. [2024-10-13 02:05:25,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 02:05:25,153 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-10-13 02:05:25,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:05:25,156 INFO L225 Difference]: With dead ends: 585 [2024-10-13 02:05:25,156 INFO L226 Difference]: Without dead ends: 583 [2024-10-13 02:05:25,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=274, Invalid=656, Unknown=0, NotChecked=0, Total=930 [2024-10-13 02:05:25,158 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 756 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:05:25,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 1137 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-13 02:05:25,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2024-10-13 02:05:25,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 412. [2024-10-13 02:05:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 299 states have (on average 1.4280936454849498) internal successors, (427), 299 states have internal predecessors, (427), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-13 02:05:25,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 643 transitions. [2024-10-13 02:05:25,179 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 643 transitions. Word has length 172 [2024-10-13 02:05:25,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:05:25,180 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 643 transitions. [2024-10-13 02:05:25,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 15 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 02:05:25,180 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 643 transitions. [2024-10-13 02:05:25,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-13 02:05:25,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:05:25,181 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:05:25,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 02:05:25,181 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:05:25,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:05:25,182 INFO L85 PathProgramCache]: Analyzing trace with hash 664861750, now seen corresponding path program 1 times [2024-10-13 02:05:25,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:05:25,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975042114] [2024-10-13 02:05:25,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:05:25,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:05:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat