./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0b041aa2b39223b19922ade0fcc5fbdd940e679150ec973bead00d3f56ba2c8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:29:29,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:29:29,716 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:29:29,722 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:29:29,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:29:29,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:29:29,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:29:29,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:29:29,752 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:29:29,753 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:29:29,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:29:29,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:29:29,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:29:29,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:29:29,757 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:29:29,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:29:29,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:29:29,758 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:29:29,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:29:29,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:29:29,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:29:29,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:29:29,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:29:29,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:29:29,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:29:29,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:29:29,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:29:29,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:29:29,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:29:29,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:29:29,765 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:29:29,765 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:29:29,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:29:29,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:29:29,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:29:29,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:29:29,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:29:29,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:29:29,766 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:29:29,767 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:29:29,767 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:29:29,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:29:29,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b041aa2b39223b19922ade0fcc5fbdd940e679150ec973bead00d3f56ba2c8 [2024-11-20 04:29:30,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:29:30,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:29:30,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:29:30,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:29:30,085 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:29:30,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2024-11-20 04:29:31,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:29:31,754 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:29:31,755 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2024-11-20 04:29:31,770 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332c325fd/23ca6387f2614958a3686be5f1aa0eb5/FLAG8d0945bd0 [2024-11-20 04:29:31,782 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332c325fd/23ca6387f2614958a3686be5f1aa0eb5 [2024-11-20 04:29:31,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:29:31,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:29:31,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:29:31,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:29:31,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:29:31,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:29:31" (1/1) ... [2024-11-20 04:29:31,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69418d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:31, skipping insertion in model container [2024-11-20 04:29:31,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:29:31" (1/1) ... [2024-11-20 04:29:31,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:29:32,013 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-81.i[919,932] [2024-11-20 04:29:32,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:29:32,129 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:29:32,143 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-81.i[919,932] [2024-11-20 04:29:32,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:29:32,239 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:29:32,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32 WrapperNode [2024-11-20 04:29:32,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:29:32,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:29:32,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:29:32,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:29:32,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (1/1) ... [2024-11-20 04:29:32,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (1/1) ... [2024-11-20 04:29:32,320 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 302 [2024-11-20 04:29:32,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:29:32,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:29:32,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:29:32,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:29:32,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (1/1) ... [2024-11-20 04:29:32,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (1/1) ... [2024-11-20 04:29:32,336 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (1/1) ... [2024-11-20 04:29:32,365 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]. [2024-11-20 04:29:32,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (1/1) ... [2024-11-20 04:29:32,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (1/1) ... [2024-11-20 04:29:32,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (1/1) ... [2024-11-20 04:29:32,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (1/1) ... [2024-11-20 04:29:32,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (1/1) ... [2024-11-20 04:29:32,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (1/1) ... [2024-11-20 04:29:32,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:29:32,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:29:32,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:29:32,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:29:32,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (1/1) ... [2024-11-20 04:29:32,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:29:32,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:29:32,437 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) [2024-11-20 04:29:32,446 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 [2024-11-20 04:29:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:29:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:29:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:29:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:29:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:29:32,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:29:32,660 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:29:32,662 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:29:33,197 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-20 04:29:33,197 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:29:33,215 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:29:33,216 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:29:33,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:33 BoogieIcfgContainer [2024-11-20 04:29:33,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:29:33,220 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:29:33,220 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:29:33,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:29:33,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:29:31" (1/3) ... [2024-11-20 04:29:33,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd433a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:29:33, skipping insertion in model container [2024-11-20 04:29:33,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:32" (2/3) ... [2024-11-20 04:29:33,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd433a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:29:33, skipping insertion in model container [2024-11-20 04:29:33,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:33" (3/3) ... [2024-11-20 04:29:33,226 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2024-11-20 04:29:33,242 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:29:33,243 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:29:33,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:29:33,323 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;@13f3c79d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:29:33,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:29:33,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 80 states have (on average 1.425) internal successors, (114), 81 states have internal predecessors, (114), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-20 04:29:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 04:29:33,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:29:33,352 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:29:33,353 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:29:33,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:29:33,358 INFO L85 PathProgramCache]: Analyzing trace with hash -757152195, now seen corresponding path program 1 times [2024-11-20 04:29:33,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:29:33,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999347044] [2024-11-20 04:29:33,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:29:33,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:29:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:29:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:29:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:29:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:29:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:29:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:29:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:29:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:29:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:29:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:29:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:29:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:29:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:29:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:29:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:29:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:29:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:29:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:29:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:29:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:29:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:29:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:29:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:29:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:29:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:29:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:29:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:29:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:29:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:29:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:29:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:29:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:29:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:29:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:29:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:29:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:29:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 04:29:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 04:29:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 04:29:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 04:29:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 04:29:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 04:29:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 04:29:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 04:29:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 04:29:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:33,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 04:29:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:34,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 04:29:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:34,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 04:29:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:34,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 04:29:34,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:29:34,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999347044] [2024-11-20 04:29:34,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999347044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:29:34,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:29:34,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:29:34,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991794154] [2024-11-20 04:29:34,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:29:34,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:29:34,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:29:34,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:29:34,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:29:34,127 INFO L87 Difference]: Start difference. First operand has 131 states, 80 states have (on average 1.425) internal successors, (114), 81 states have internal predecessors, (114), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 04:29:34,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:29:34,180 INFO L93 Difference]: Finished difference Result 255 states and 462 transitions. [2024-11-20 04:29:34,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:29:34,185 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 295 [2024-11-20 04:29:34,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:29:34,195 INFO L225 Difference]: With dead ends: 255 [2024-11-20 04:29:34,195 INFO L226 Difference]: Without dead ends: 127 [2024-11-20 04:29:34,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:29:34,207 INFO L432 NwaCegarLoop]: 203 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, 203 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 [2024-11-20 04:29:34,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:29:34,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-20 04:29:34,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-20 04:29:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-20 04:29:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 203 transitions. [2024-11-20 04:29:34,290 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 203 transitions. Word has length 295 [2024-11-20 04:29:34,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:29:34,291 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 203 transitions. [2024-11-20 04:29:34,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 04:29:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 203 transitions. [2024-11-20 04:29:34,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 04:29:34,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:29:34,302 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:29:34,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:29:34,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:29:34,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:29:34,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1235359541, now seen corresponding path program 1 times [2024-11-20 04:29:34,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:29:34,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370636084] [2024-11-20 04:29:34,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:29:34,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:29:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:29:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:29:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:29:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:29:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:29:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:29:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:29:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:29:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:29:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:29:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:29:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:29:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:29:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:29:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:29:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:29:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:29:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:29:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:29:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:29:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:29:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:29:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:29:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:29:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:29:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:29:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:29:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:29:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:29:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:29:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:36,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:29:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:29:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:29:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:29:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:29:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:29:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 04:29:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 04:29:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 04:29:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 04:29:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 04:29:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 04:29:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 04:29:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 04:29:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 04:29:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 04:29:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 04:29:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 04:29:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 04:29:37,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:29:37,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370636084] [2024-11-20 04:29:37,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370636084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:29:37,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:29:37,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 04:29:37,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083857185] [2024-11-20 04:29:37,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:29:37,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 04:29:37,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:29:37,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 04:29:37,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 04:29:37,263 INFO L87 Difference]: Start difference. First operand 127 states and 203 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 04:29:38,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:29:38,644 INFO L93 Difference]: Finished difference Result 418 states and 672 transitions. [2024-11-20 04:29:38,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 04:29:38,645 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-20 04:29:38,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:29:38,649 INFO L225 Difference]: With dead ends: 418 [2024-11-20 04:29:38,650 INFO L226 Difference]: Without dead ends: 294 [2024-11-20 04:29:38,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-20 04:29:38,652 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 384 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:29:38,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 860 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 04:29:38,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-20 04:29:38,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 212. [2024-11-20 04:29:38,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 113 states have (on average 1.2920353982300885) internal successors, (146), 113 states have internal predecessors, (146), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 04:29:38,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 338 transitions. [2024-11-20 04:29:38,709 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 338 transitions. Word has length 295 [2024-11-20 04:29:38,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:29:38,710 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 338 transitions. [2024-11-20 04:29:38,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 04:29:38,710 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 338 transitions. [2024-11-20 04:29:38,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 04:29:38,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:29:38,719 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:29:38,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:29:38,720 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:29:38,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:29:38,720 INFO L85 PathProgramCache]: Analyzing trace with hash 812657715, now seen corresponding path program 1 times [2024-11-20 04:29:38,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:29:38,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789850401] [2024-11-20 04:29:38,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:29:38,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:29:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:29:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:29:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:29:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:29:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:29:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:29:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:29:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:29:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:29:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:29:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:29:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:29:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:29:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:29:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:29:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:29:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:29:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:29:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:29:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:29:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:29:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:29:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:29:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:29:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:29:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:29:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:29:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:29:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:29:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:29:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:29:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:29:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:29:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:29:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:29:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:29:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 04:29:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 04:29:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 04:29:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 04:29:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:55,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 04:29:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:56,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 04:29:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:56,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 04:29:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:56,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 04:29:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:56,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 04:29:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:56,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 04:29:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:56,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 04:29:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:56,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 04:29:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:29:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 04:29:56,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:29:56,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789850401] [2024-11-20 04:29:56,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789850401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:29:56,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:29:56,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 04:29:56,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403806075] [2024-11-20 04:29:56,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:29:56,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 04:29:56,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:29:56,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 04:29:56,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-20 04:29:56,073 INFO L87 Difference]: Start difference. First operand 212 states and 338 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 04:30:00,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:30:00,222 INFO L93 Difference]: Finished difference Result 540 states and 867 transitions. [2024-11-20 04:30:00,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 04:30:00,223 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 295 [2024-11-20 04:30:00,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:30:00,230 INFO L225 Difference]: With dead ends: 540 [2024-11-20 04:30:00,230 INFO L226 Difference]: Without dead ends: 416 [2024-11-20 04:30:00,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2024-11-20 04:30:00,236 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1176 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-20 04:30:00,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1176 Valid, 1257 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-20 04:30:00,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-20 04:30:00,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 244. [2024-11-20 04:30:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 145 states have (on average 1.3793103448275863) internal successors, (200), 145 states have internal predecessors, (200), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 04:30:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 392 transitions. [2024-11-20 04:30:00,301 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 392 transitions. Word has length 295 [2024-11-20 04:30:00,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:30:00,303 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 392 transitions. [2024-11-20 04:30:00,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 04:30:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 392 transitions. [2024-11-20 04:30:00,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 04:30:00,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:30:00,308 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:30:00,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:30:00,308 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:30:00,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:30:00,308 INFO L85 PathProgramCache]: Analyzing trace with hash -876286027, now seen corresponding path program 1 times [2024-11-20 04:30:00,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:30:00,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050663904] [2024-11-20 04:30:00,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:30:00,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:30:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:30:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:30:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:30:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:30:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:30:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:30:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:30:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:30:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:30:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:30:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:30:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:30:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:30:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:30:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:30:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:30:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:30:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:30:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:30:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:30:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:30:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:30:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:30:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:30:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:30:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:30:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:30:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:30:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:30:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:30:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:30:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:30:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:30:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:30:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:30:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:30:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 04:30:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 04:30:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 04:30:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 04:30:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 04:30:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 04:30:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 04:30:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 04:30:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 04:30:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 04:30:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 04:30:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 04:30:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:00,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 04:30:00,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:30:00,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050663904] [2024-11-20 04:30:00,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050663904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:30:00,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:30:00,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 04:30:00,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442262868] [2024-11-20 04:30:00,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:30:00,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 04:30:00,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:30:00,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 04:30:00,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 04:30:00,732 INFO L87 Difference]: Start difference. First operand 244 states and 392 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 04:30:00,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:30:00,810 INFO L93 Difference]: Finished difference Result 422 states and 676 transitions. [2024-11-20 04:30:00,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 04:30:00,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-20 04:30:00,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:30:00,815 INFO L225 Difference]: With dead ends: 422 [2024-11-20 04:30:00,815 INFO L226 Difference]: Without dead ends: 298 [2024-11-20 04:30:00,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 04:30:00,817 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 77 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:30:00,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 600 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:30:00,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-20 04:30:00,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 295. [2024-11-20 04:30:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 191 states have (on average 1.418848167539267) internal successors, (271), 192 states have internal predecessors, (271), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 04:30:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 471 transitions. [2024-11-20 04:30:00,872 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 471 transitions. Word has length 295 [2024-11-20 04:30:00,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:30:00,875 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 471 transitions. [2024-11-20 04:30:00,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 04:30:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 471 transitions. [2024-11-20 04:30:00,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 04:30:00,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:30:00,879 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:30:00,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 04:30:00,880 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:30:00,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:30:00,880 INFO L85 PathProgramCache]: Analyzing trace with hash -4990735, now seen corresponding path program 1 times [2024-11-20 04:30:00,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:30:00,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272478403] [2024-11-20 04:30:00,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:30:00,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:30:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:30:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:30:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:30:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:30:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:30:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:30:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:30:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:30:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:30:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:30:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:30:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:30:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:30:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:30:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:30:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:30:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:30:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:30:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:30:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:30:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:30:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:30:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:30:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:30:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:30:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:30:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:30:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:30:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:30:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:30:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:30:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:30:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:30:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:30:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:30:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:30:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 04:30:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 04:30:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 04:30:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 04:30:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 04:30:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 04:30:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 04:30:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 04:30:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 04:30:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 04:30:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 04:30:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 04:30:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:15,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 04:30:15,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:30:15,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272478403] [2024-11-20 04:30:15,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272478403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:30:15,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:30:15,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 04:30:15,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905460740] [2024-11-20 04:30:15,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:30:15,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 04:30:15,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:30:15,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 04:30:15,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-20 04:30:15,884 INFO L87 Difference]: Start difference. First operand 295 states and 471 transitions. Second operand has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 04:30:19,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:30:19,661 INFO L93 Difference]: Finished difference Result 629 states and 1005 transitions. [2024-11-20 04:30:19,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 04:30:19,662 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 295 [2024-11-20 04:30:19,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:30:19,671 INFO L225 Difference]: With dead ends: 629 [2024-11-20 04:30:19,672 INFO L226 Difference]: Without dead ends: 454 [2024-11-20 04:30:19,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 98 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2024-11-20 04:30:19,674 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 624 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-20 04:30:19,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 1200 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-20 04:30:19,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-20 04:30:19,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 295. [2024-11-20 04:30:19,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 191 states have (on average 1.418848167539267) internal successors, (271), 192 states have internal predecessors, (271), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 04:30:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 471 transitions. [2024-11-20 04:30:19,729 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 471 transitions. Word has length 295 [2024-11-20 04:30:19,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:30:19,730 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 471 transitions. [2024-11-20 04:30:19,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-20 04:30:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 471 transitions. [2024-11-20 04:30:19,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 04:30:19,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:30:19,736 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:30:19,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 04:30:19,736 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:30:19,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:30:19,737 INFO L85 PathProgramCache]: Analyzing trace with hash -570078793, now seen corresponding path program 1 times [2024-11-20 04:30:19,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:30:19,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839784207] [2024-11-20 04:30:19,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:30:19,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:30:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:30:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:30:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:30:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:30:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:30:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:30:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:30:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:30:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:30:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:30:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:30:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:30:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:30:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:30:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:30:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:30:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:30:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:30:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:30:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:30:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:30:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:30:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:30:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:30:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:30:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:30:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:30:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:30:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:30:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:30:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:30:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:30:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:30:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:30:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:30:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:30:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 04:30:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 04:30:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 04:30:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 04:30:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 04:30:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 04:30:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 04:30:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 04:30:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 04:30:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 04:30:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 04:30:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 04:30:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 04:30:20,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:30:20,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839784207] [2024-11-20 04:30:20,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839784207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:30:20,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:30:20,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 04:30:20,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315877562] [2024-11-20 04:30:20,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:30:20,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 04:30:20,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:30:20,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 04:30:20,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 04:30:20,662 INFO L87 Difference]: Start difference. First operand 295 states and 471 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 04:30:21,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:30:21,305 INFO L93 Difference]: Finished difference Result 552 states and 884 transitions. [2024-11-20 04:30:21,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 04:30:21,306 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-20 04:30:21,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:30:21,309 INFO L225 Difference]: With dead ends: 552 [2024-11-20 04:30:21,309 INFO L226 Difference]: Without dead ends: 377 [2024-11-20 04:30:21,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-20 04:30:21,310 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 183 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 04:30:21,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 815 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 04:30:21,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-20 04:30:21,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 297. [2024-11-20 04:30:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 193 states have (on average 1.4145077720207253) internal successors, (273), 194 states have internal predecessors, (273), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 04:30:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 473 transitions. [2024-11-20 04:30:21,355 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 473 transitions. Word has length 295 [2024-11-20 04:30:21,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:30:21,356 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 473 transitions. [2024-11-20 04:30:21,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 04:30:21,356 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 473 transitions. [2024-11-20 04:30:21,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 04:30:21,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:30:21,360 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:30:21,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 04:30:21,360 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:30:21,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:30:21,361 INFO L85 PathProgramCache]: Analyzing trace with hash -992780619, now seen corresponding path program 1 times [2024-11-20 04:30:21,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:30:21,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346007206] [2024-11-20 04:30:21,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:30:21,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:30:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:30:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:30:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:30:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:30:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:30:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:30:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:30:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:30:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:30:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:30:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:30:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:30:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:30:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:30:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:30:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:30:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:30:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:30:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:30:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:30:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:30:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:30:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:30:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:30:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:30:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:30:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:30:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:30:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:30:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:30:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:30:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:30:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:30:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:30:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:30:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 04:30:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-20 04:30:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 04:30:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-20 04:30:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 04:30:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 04:30:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 04:30:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 04:30:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 04:30:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-20 04:30:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-20 04:30:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-20 04:30:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-20 04:30:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:30:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-20 04:30:31,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:30:31,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346007206] [2024-11-20 04:30:31,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346007206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:30:31,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:30:31,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 04:30:31,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146845568] [2024-11-20 04:30:31,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:30:31,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 04:30:31,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:30:31,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 04:30:31,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-20 04:30:31,124 INFO L87 Difference]: Start difference. First operand 297 states and 473 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 04:30:33,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:30:33,631 INFO L93 Difference]: Finished difference Result 617 states and 984 transitions. [2024-11-20 04:30:33,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 04:30:33,631 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-20 04:30:33,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:30:33,634 INFO L225 Difference]: With dead ends: 617 [2024-11-20 04:30:33,635 INFO L226 Difference]: Without dead ends: 442 [2024-11-20 04:30:33,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-20 04:30:33,636 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 396 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:30:33,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 1072 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 04:30:33,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-20 04:30:33,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 298. [2024-11-20 04:30:33,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 194 states have (on average 1.4175257731958764) internal successors, (275), 195 states have internal predecessors, (275), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-20 04:30:33,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 475 transitions. [2024-11-20 04:30:33,675 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 475 transitions. Word has length 295 [2024-11-20 04:30:33,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:30:33,676 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 475 transitions. [2024-11-20 04:30:33,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-20 04:30:33,676 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 475 transitions. [2024-11-20 04:30:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-20 04:30:33,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:30:33,678 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:30:33,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 04:30:33,678 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:30:33,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:30:33,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1810429069, now seen corresponding path program 1 times [2024-11-20 04:30:33,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:30:33,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832451228] [2024-11-20 04:30:33,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:30:33,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:30:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat