./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-98.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 80aae2ad32bbd18df771bc42cd903a50a1ddb8d4ac852d86db2bbfcc1abb0bc7 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 21:38:21,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 21:38:21,361 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 21:38:21,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 21:38:21,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 21:38:21,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 21:38:21,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 21:38:21,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 21:38:21,404 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 21:38:21,407 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 21:38:21,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 21:38:21,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 21:38:21,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 21:38:21,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 21:38:21,410 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 21:38:21,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 21:38:21,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 21:38:21,411 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 21:38:21,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 21:38:21,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 21:38:21,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 21:38:21,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 21:38:21,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 21:38:21,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 21:38:21,416 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 21:38:21,416 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 21:38:21,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 21:38:21,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 21:38:21,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 21:38:21,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 21:38:21,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 21:38:21,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 21:38:21,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:38:21,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 21:38:21,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 21:38:21,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 21:38:21,419 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 21:38:21,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 21:38:21,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 21:38:21,420 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 21:38:21,420 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 21:38:21,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 21:38:21,422 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80aae2ad32bbd18df771bc42cd903a50a1ddb8d4ac852d86db2bbfcc1abb0bc7 [2024-11-08 21:38:21,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 21:38:21,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 21:38:21,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 21:38:21,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 21:38:21,704 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 21:38:21,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-98.i [2024-11-08 21:38:23,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 21:38:23,361 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 21:38:23,361 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-98.i [2024-11-08 21:38:23,380 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2b30595/c03d08968bbd46a99de27c2685da3e3b/FLAG82797453c [2024-11-08 21:38:23,398 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2b30595/c03d08968bbd46a99de27c2685da3e3b [2024-11-08 21:38:23,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 21:38:23,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 21:38:23,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 21:38:23,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 21:38:23,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 21:38:23,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:23,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203a9f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23, skipping insertion in model container [2024-11-08 21:38:23,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:23,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 21:38:23,644 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-98.i[919,932] [2024-11-08 21:38:23,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:38:23,777 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 21:38:23,792 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-98.i[919,932] [2024-11-08 21:38:23,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:38:23,860 INFO L204 MainTranslator]: Completed translation [2024-11-08 21:38:23,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23 WrapperNode [2024-11-08 21:38:23,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 21:38:23,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 21:38:23,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 21:38:23,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 21:38:23,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:23,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:23,943 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-11-08 21:38:23,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 21:38:23,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 21:38:23,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 21:38:23,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 21:38:23,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:23,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:23,967 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:23,996 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 21:38:23,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:23,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:24,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:24,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:24,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:24,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:24,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 21:38:24,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 21:38:24,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 21:38:24,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 21:38:24,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (1/1) ... [2024-11-08 21:38:24,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:38:24,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 21:38:24,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 21:38:24,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 21:38:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 21:38:24,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 21:38:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 21:38:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 21:38:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 21:38:24,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 21:38:24,218 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 21:38:24,223 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 21:38:24,742 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 21:38:24,743 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 21:38:24,762 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 21:38:24,763 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 21:38:24,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:38:24 BoogieIcfgContainer [2024-11-08 21:38:24,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 21:38:24,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 21:38:24,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 21:38:24,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 21:38:24,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 09:38:23" (1/3) ... [2024-11-08 21:38:24,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19da135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:38:24, skipping insertion in model container [2024-11-08 21:38:24,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:38:23" (2/3) ... [2024-11-08 21:38:24,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19da135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:38:24, skipping insertion in model container [2024-11-08 21:38:24,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:38:24" (3/3) ... [2024-11-08 21:38:24,774 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-98.i [2024-11-08 21:38:24,791 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 21:38:24,792 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 21:38:24,868 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 21:38:24,875 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;@7de071b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 21:38:24,876 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 21:38:24,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 69 states have (on average 1.434782608695652) internal successors, (99), 70 states have internal predecessors, (99), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 21:38:24,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-08 21:38:24,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:38:24,900 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:38:24,900 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:38:24,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:38:24,904 INFO L85 PathProgramCache]: Analyzing trace with hash -196601428, now seen corresponding path program 1 times [2024-11-08 21:38:24,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:38:24,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39916125] [2024-11-08 21:38:24,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:38:24,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:38:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:38:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:38:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 21:38:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:38:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 21:38:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 21:38:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 21:38:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:38:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:38:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:38:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:38:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:38:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:38:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:38:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:38:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:38:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:38:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:38:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:38:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:38:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:38:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:38:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:38:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:38:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:38:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:38:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:38:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 21:38:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:38:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 21:38:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:38:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 21:38:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-08 21:38:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-08 21:38:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 21:38:25,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:38:25,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39916125] [2024-11-08 21:38:25,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39916125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:38:25,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:38:25,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 21:38:25,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319918579] [2024-11-08 21:38:25,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:38:25,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 21:38:25,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:38:25,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 21:38:25,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 21:38:25,460 INFO L87 Difference]: Start difference. First operand has 106 states, 69 states have (on average 1.434782608695652) internal successors, (99), 70 states have internal predecessors, (99), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 21:38:25,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:38:25,494 INFO L93 Difference]: Finished difference Result 203 states and 359 transitions. [2024-11-08 21:38:25,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 21:38:25,496 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 217 [2024-11-08 21:38:25,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:38:25,503 INFO L225 Difference]: With dead ends: 203 [2024-11-08 21:38:25,503 INFO L226 Difference]: Without dead ends: 100 [2024-11-08 21:38:25,506 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 21:38:25,509 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:38:25,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:38:25,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-08 21:38:25,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-08 21:38:25,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 21:38:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 155 transitions. [2024-11-08 21:38:25,555 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 155 transitions. Word has length 217 [2024-11-08 21:38:25,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:38:25,555 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 155 transitions. [2024-11-08 21:38:25,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 21:38:25,556 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 155 transitions. [2024-11-08 21:38:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-08 21:38:25,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:38:25,563 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:38:25,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 21:38:25,565 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:38:25,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:38:25,566 INFO L85 PathProgramCache]: Analyzing trace with hash 168014700, now seen corresponding path program 1 times [2024-11-08 21:38:25,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:38:25,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166806106] [2024-11-08 21:38:25,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:38:25,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:38:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:38:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:38:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 21:38:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:38:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 21:38:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 21:38:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 21:38:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:38:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:38:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:38:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:38:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:38:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:38:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:38:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:38:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:38:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:38:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:38:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:38:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:38:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:38:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:38:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:38:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:38:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:38:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:38:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:38:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 21:38:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:38:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 21:38:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:38:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 21:38:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-08 21:38:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-08 21:38:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 21:38:27,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:38:27,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166806106] [2024-11-08 21:38:27,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166806106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:38:27,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:38:27,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 21:38:27,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221910418] [2024-11-08 21:38:27,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:38:27,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 21:38:27,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:38:27,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 21:38:27,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 21:38:27,575 INFO L87 Difference]: Start difference. First operand 100 states and 155 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 21:38:28,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:38:28,369 INFO L93 Difference]: Finished difference Result 353 states and 551 transitions. [2024-11-08 21:38:28,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 21:38:28,370 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-11-08 21:38:28,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:38:28,374 INFO L225 Difference]: With dead ends: 353 [2024-11-08 21:38:28,374 INFO L226 Difference]: Without dead ends: 256 [2024-11-08 21:38:28,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-08 21:38:28,377 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 305 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 21:38:28,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 543 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 21:38:28,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-08 21:38:28,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 193. [2024-11-08 21:38:28,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 122 states have (on average 1.319672131147541) internal successors, (161), 122 states have internal predecessors, (161), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 21:38:28,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 297 transitions. [2024-11-08 21:38:28,453 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 297 transitions. Word has length 217 [2024-11-08 21:38:28,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:38:28,455 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 297 transitions. [2024-11-08 21:38:28,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 21:38:28,455 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 297 transitions. [2024-11-08 21:38:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-08 21:38:28,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:38:28,462 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:38:28,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 21:38:28,462 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:38:28,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:38:28,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1520929042, now seen corresponding path program 1 times [2024-11-08 21:38:28,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:38:28,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258513916] [2024-11-08 21:38:28,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:38:28,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:38:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:38:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:38:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 21:38:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:38:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 21:38:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 21:38:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 21:38:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:38:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:38:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:38:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:38:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:38:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:38:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:38:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:38:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:38:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:38:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:38:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:38:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:38:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:38:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:38:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:38:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:38:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:38:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:38:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:38:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 21:38:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:38:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 21:38:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:38:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 21:38:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-08 21:38:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-08 21:38:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 21:38:28,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:38:28,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258513916] [2024-11-08 21:38:28,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258513916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:38:28,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:38:28,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 21:38:28,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241641411] [2024-11-08 21:38:28,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:38:28,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 21:38:28,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:38:28,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 21:38:28,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:38:28,936 INFO L87 Difference]: Start difference. First operand 193 states and 297 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 21:38:29,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:38:29,070 INFO L93 Difference]: Finished difference Result 383 states and 591 transitions. [2024-11-08 21:38:29,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 21:38:29,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-11-08 21:38:29,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:38:29,074 INFO L225 Difference]: With dead ends: 383 [2024-11-08 21:38:29,074 INFO L226 Difference]: Without dead ends: 193 [2024-11-08 21:38:29,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 21:38:29,076 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 145 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 21:38:29,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 240 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 21:38:29,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-08 21:38:29,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2024-11-08 21:38:29,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 122 states have internal predecessors, (160), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 21:38:29,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 296 transitions. [2024-11-08 21:38:29,116 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 296 transitions. Word has length 217 [2024-11-08 21:38:29,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:38:29,117 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 296 transitions. [2024-11-08 21:38:29,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 21:38:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 296 transitions. [2024-11-08 21:38:29,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-08 21:38:29,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:38:29,120 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:38:29,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 21:38:29,120 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:38:29,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:38:29,121 INFO L85 PathProgramCache]: Analyzing trace with hash 2018340003, now seen corresponding path program 1 times [2024-11-08 21:38:29,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:38:29,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150830625] [2024-11-08 21:38:29,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:38:29,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:38:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:38:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:38:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 21:38:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:38:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 21:38:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 21:38:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 21:38:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:38:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:38:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:38:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:38:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:38:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:38:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:38:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:38:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:38:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:38:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:38:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:38:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:38:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:38:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:38:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:38:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:38:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:38:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:38:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:38:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 21:38:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:38:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 21:38:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:38:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 21:38:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-08 21:38:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-08 21:38:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 21:38:29,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:38:29,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150830625] [2024-11-08 21:38:29,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150830625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:38:29,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:38:29,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 21:38:29,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841646320] [2024-11-08 21:38:29,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:38:29,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 21:38:29,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:38:29,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 21:38:29,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 21:38:29,569 INFO L87 Difference]: Start difference. First operand 193 states and 296 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 21:38:29,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:38:29,948 INFO L93 Difference]: Finished difference Result 463 states and 715 transitions. [2024-11-08 21:38:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 21:38:29,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-08 21:38:29,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:38:29,952 INFO L225 Difference]: With dead ends: 463 [2024-11-08 21:38:29,952 INFO L226 Difference]: Without dead ends: 273 [2024-11-08 21:38:29,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-08 21:38:29,954 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 148 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 21:38:29,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 459 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 21:38:29,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-08 21:38:29,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 192. [2024-11-08 21:38:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 121 states have (on average 1.3140495867768596) internal successors, (159), 121 states have internal predecessors, (159), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 21:38:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 295 transitions. [2024-11-08 21:38:29,996 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 295 transitions. Word has length 218 [2024-11-08 21:38:29,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:38:29,997 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 295 transitions. [2024-11-08 21:38:29,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 21:38:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 295 transitions. [2024-11-08 21:38:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-08 21:38:29,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:38:30,000 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:38:30,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 21:38:30,000 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:38:30,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:38:30,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1964946275, now seen corresponding path program 1 times [2024-11-08 21:38:30,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:38:30,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195803952] [2024-11-08 21:38:30,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:38:30,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:38:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:38:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:38:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 21:38:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:38:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 21:38:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 21:38:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 21:38:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:38:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:38:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:38:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:38:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:38:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:38:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:38:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:38:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:38:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:38:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:38:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:38:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:38:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:38:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:38:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:38:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:38:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:38:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:38:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:38:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 21:38:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:38:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 21:38:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:38:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 21:38:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-08 21:38:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-08 21:38:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 21:38:30,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:38:30,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195803952] [2024-11-08 21:38:30,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195803952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:38:30,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:38:30,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 21:38:30,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841784800] [2024-11-08 21:38:30,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:38:30,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 21:38:30,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:38:30,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 21:38:30,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 21:38:30,671 INFO L87 Difference]: Start difference. First operand 192 states and 295 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 21:38:31,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:38:31,540 INFO L93 Difference]: Finished difference Result 574 states and 887 transitions. [2024-11-08 21:38:31,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 21:38:31,541 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-08 21:38:31,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:38:31,545 INFO L225 Difference]: With dead ends: 574 [2024-11-08 21:38:31,545 INFO L226 Difference]: Without dead ends: 385 [2024-11-08 21:38:31,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 21:38:31,548 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 182 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 21:38:31,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 669 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 21:38:31,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-08 21:38:31,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 381. [2024-11-08 21:38:31,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 240 states have (on average 1.3166666666666667) internal successors, (316), 240 states have internal predecessors, (316), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-08 21:38:31,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 588 transitions. [2024-11-08 21:38:31,667 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 588 transitions. Word has length 218 [2024-11-08 21:38:31,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:38:31,670 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 588 transitions. [2024-11-08 21:38:31,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 21:38:31,671 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 588 transitions. [2024-11-08 21:38:31,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-08 21:38:31,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:38:31,674 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:38:31,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 21:38:31,674 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:38:31,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:38:31,675 INFO L85 PathProgramCache]: Analyzing trace with hash -383076397, now seen corresponding path program 1 times [2024-11-08 21:38:31,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:38:31,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685576241] [2024-11-08 21:38:31,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:38:31,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:38:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:38:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:38:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 21:38:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:38:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 21:38:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 21:38:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 21:38:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:38:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:38:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:38:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:38:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:38:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:38:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:38:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:38:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:38:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:38:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:38:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:38:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:38:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:38:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:38:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:38:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:38:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:38:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:38:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:38:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 21:38:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:38:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 21:38:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:38:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 21:38:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-08 21:38:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-08 21:38:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:31,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 21:38:31,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:38:31,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685576241] [2024-11-08 21:38:31,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685576241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:38:31,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:38:31,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 21:38:31,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976331138] [2024-11-08 21:38:31,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:38:31,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 21:38:31,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:38:31,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 21:38:31,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:38:31,870 INFO L87 Difference]: Start difference. First operand 381 states and 588 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 21:38:32,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:38:32,190 INFO L93 Difference]: Finished difference Result 871 states and 1334 transitions. [2024-11-08 21:38:32,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 21:38:32,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-08 21:38:32,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:38:32,196 INFO L225 Difference]: With dead ends: 871 [2024-11-08 21:38:32,196 INFO L226 Difference]: Without dead ends: 493 [2024-11-08 21:38:32,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:38:32,200 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 35 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 21:38:32,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 287 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 21:38:32,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-11-08 21:38:32,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 467. [2024-11-08 21:38:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 326 states have (on average 1.361963190184049) internal successors, (444), 326 states have internal predecessors, (444), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-08 21:38:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 716 transitions. [2024-11-08 21:38:32,292 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 716 transitions. Word has length 219 [2024-11-08 21:38:32,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:38:32,293 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 716 transitions. [2024-11-08 21:38:32,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-08 21:38:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 716 transitions. [2024-11-08 21:38:32,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-08 21:38:32,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:38:32,296 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:38:32,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 21:38:32,296 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:38:32,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:38:32,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1995111313, now seen corresponding path program 1 times [2024-11-08 21:38:32,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:38:32,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764493426] [2024-11-08 21:38:32,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:38:32,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:38:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:38:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:38:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 21:38:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:38:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 21:38:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 21:38:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 21:38:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:38:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:38:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:38:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:38:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:38:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 21:38:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:38:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 21:38:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:38:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 21:38:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:38:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 21:38:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:38:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 21:38:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:38:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 21:38:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:38:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 21:38:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:38:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 21:38:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-08 21:38:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 21:38:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-08 21:38:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 21:38:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-08 21:38:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-08 21:38:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-08 21:38:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-08 21:38:40,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:38:40,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764493426] [2024-11-08 21:38:40,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764493426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:38:40,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:38:40,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 21:38:40,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092744441] [2024-11-08 21:38:40,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:38:40,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 21:38:40,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:38:40,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 21:38:40,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-08 21:38:40,657 INFO L87 Difference]: Start difference. First operand 467 states and 716 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 21:38:42,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:38:42,089 INFO L93 Difference]: Finished difference Result 1741 states and 2651 transitions. [2024-11-08 21:38:42,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 21:38:42,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-11-08 21:38:42,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:38:42,096 INFO L225 Difference]: With dead ends: 1741 [2024-11-08 21:38:42,097 INFO L226 Difference]: Without dead ends: 1277 [2024-11-08 21:38:42,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 21:38:42,099 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 444 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 21:38:42,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 380 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 21:38:42,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2024-11-08 21:38:42,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1197. [2024-11-08 21:38:42,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 840 states have (on average 1.338095238095238) internal successors, (1124), 844 states have internal predecessors, (1124), 344 states have call successors, (344), 12 states have call predecessors, (344), 12 states have return successors, (344), 340 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-08 21:38:42,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1812 transitions. [2024-11-08 21:38:42,295 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1812 transitions. Word has length 219 [2024-11-08 21:38:42,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:38:42,295 INFO L471 AbstractCegarLoop]: Abstraction has 1197 states and 1812 transitions. [2024-11-08 21:38:42,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-08 21:38:42,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1812 transitions. [2024-11-08 21:38:42,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-08 21:38:42,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:38:42,298 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:38:42,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 21:38:42,299 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:38:42,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:38:42,299 INFO L85 PathProgramCache]: Analyzing trace with hash 974042959, now seen corresponding path program 1 times [2024-11-08 21:38:42,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:38:42,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821211686] [2024-11-08 21:38:42,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:38:42,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:38:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat