./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-73.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-73.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 514a42f8e91bea24d0ae9f58962dbe4c57902d8969e319af87e555b660ba36db --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:28:11,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:28:11,986 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:28:11,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:28:11,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:28:12,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:28:12,015 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:28:12,016 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:28:12,016 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:28:12,018 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:28:12,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:28:12,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:28:12,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:28:12,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:28:12,021 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:28:12,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:28:12,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:28:12,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:28:12,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:28:12,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:28:12,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:28:12,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:28:12,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:28:12,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:28:12,023 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:28:12,023 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:28:12,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:28:12,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:28:12,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:28:12,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:28:12,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:28:12,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:28:12,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:28:12,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:28:12,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:28:12,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:28:12,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:28:12,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:28:12,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:28:12,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:28:12,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:28:12,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:28:12,027 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 514a42f8e91bea24d0ae9f58962dbe4c57902d8969e319af87e555b660ba36db [2024-11-20 04:28:12,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:28:12,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:28:12,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:28:12,243 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:28:12,243 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:28:12,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i [2024-11-20 04:28:13,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:28:13,643 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:28:13,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i [2024-11-20 04:28:13,652 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36a9d2fc3/afe401e4408e46f79938b44a9c5bc4ab/FLAGd55e2b8cd [2024-11-20 04:28:13,667 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36a9d2fc3/afe401e4408e46f79938b44a9c5bc4ab [2024-11-20 04:28:13,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:28:13,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:28:13,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:28:13,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:28:13,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:28:13,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:28:13" (1/1) ... [2024-11-20 04:28:13,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c01e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:13, skipping insertion in model container [2024-11-20 04:28:13,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:28:13" (1/1) ... [2024-11-20 04:28:13,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:28:13,851 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-73.i[919,932] [2024-11-20 04:28:13,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:28:13,935 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:28:13,945 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-73.i[919,932] [2024-11-20 04:28:13,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:28:14,009 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:28:14,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14 WrapperNode [2024-11-20 04:28:14,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:28:14,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:28:14,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:28:14,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:28:14,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (1/1) ... [2024-11-20 04:28:14,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (1/1) ... [2024-11-20 04:28:14,066 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-11-20 04:28:14,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:28:14,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:28:14,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:28:14,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:28:14,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (1/1) ... [2024-11-20 04:28:14,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (1/1) ... [2024-11-20 04:28:14,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (1/1) ... [2024-11-20 04:28:14,105 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 04:28:14,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (1/1) ... [2024-11-20 04:28:14,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (1/1) ... [2024-11-20 04:28:14,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (1/1) ... [2024-11-20 04:28:14,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (1/1) ... [2024-11-20 04:28:14,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (1/1) ... [2024-11-20 04:28:14,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (1/1) ... [2024-11-20 04:28:14,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:28:14,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:28:14,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:28:14,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:28:14,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (1/1) ... [2024-11-20 04:28:14,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:28:14,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:28:14,163 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 04:28:14,165 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 04:28:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:28:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:28:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:28:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:28:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:28:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:28:14,273 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:28:14,275 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:28:14,620 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-20 04:28:14,620 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:28:14,634 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:28:14,634 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:28:14,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:28:14 BoogieIcfgContainer [2024-11-20 04:28:14,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:28:14,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:28:14,637 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:28:14,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:28:14,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:28:13" (1/3) ... [2024-11-20 04:28:14,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@365f473e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:28:14, skipping insertion in model container [2024-11-20 04:28:14,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:28:14" (2/3) ... [2024-11-20 04:28:14,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@365f473e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:28:14, skipping insertion in model container [2024-11-20 04:28:14,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:28:14" (3/3) ... [2024-11-20 04:28:14,641 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-73.i [2024-11-20 04:28:14,654 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:28:14,654 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:28:14,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:28:14,714 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;@24c0ffec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:28:14,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:28:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 72 states have (on average 1.4305555555555556) internal successors, (103), 73 states have internal predecessors, (103), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 04:28:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-20 04:28:14,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:28:14,735 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:28:14,735 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:28:14,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:28:14,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1655788995, now seen corresponding path program 1 times [2024-11-20 04:28:14,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:28:14,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36912984] [2024-11-20 04:28:14,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:28:14,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:28:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:28:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 04:28:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 04:28:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 04:28:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 04:28:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 04:28:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 04:28:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 04:28:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 04:28:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 04:28:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 04:28:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 04:28:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 04:28:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 04:28:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 04:28:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 04:28:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 04:28:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 04:28:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:28:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 04:28:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:28:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:28:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:28:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:28:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:28:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:28:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:28:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 04:28:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:28:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:28:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:28:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 04:28:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 04:28:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 04:28:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 04:28:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-20 04:28:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:28:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 04:28:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-20 04:28:15,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:28:15,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36912984] [2024-11-20 04:28:15,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36912984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:28:15,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:28:15,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:28:15,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315929878] [2024-11-20 04:28:15,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:28:15,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:28:15,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:28:15,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:28:15,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:28:15,200 INFO L87 Difference]: Start difference. First operand has 113 states, 72 states have (on average 1.4305555555555556) internal successors, (103), 73 states have internal predecessors, (103), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-20 04:28:15,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:28:15,253 INFO L93 Difference]: Finished difference Result 219 states and 390 transitions. [2024-11-20 04:28:15,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:28:15,255 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 242 [2024-11-20 04:28:15,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:28:15,271 INFO L225 Difference]: With dead ends: 219 [2024-11-20 04:28:15,271 INFO L226 Difference]: Without dead ends: 109 [2024-11-20 04:28:15,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 04:28:15,279 INFO L432 NwaCegarLoop]: 171 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, 171 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 04:28:15,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:28:15,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-20 04:28:15,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-20 04:28:15,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 69 states have internal predecessors, (95), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 04:28:15,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 171 transitions. [2024-11-20 04:28:15,370 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 171 transitions. Word has length 242 [2024-11-20 04:28:15,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:28:15,374 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 171 transitions. [2024-11-20 04:28:15,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-20 04:28:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 171 transitions. [2024-11-20 04:28:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-20 04:28:15,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:28:15,380 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:28:15,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:28:15,380 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:28:15,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:28:15,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1031790015, now seen corresponding path program 1 times [2024-11-20 04:28:15,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:28:15,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530477109] [2024-11-20 04:28:15,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:28:15,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:28:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:28:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 04:28:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 04:28:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 04:28:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 04:28:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 04:28:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 04:28:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 04:28:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 04:28:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 04:28:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 04:28:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 04:28:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 04:28:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 04:28:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 04:28:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 04:28:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 04:28:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 04:28:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:28:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 04:28:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:28:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:28:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:28:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:28:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:28:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:28:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:28:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 04:28:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:28:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:28:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:28:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 04:28:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 04:28:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 04:28:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 04:28:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-20 04:28:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:28:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 04:28:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:15,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-20 04:28:15,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:28:15,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530477109] [2024-11-20 04:28:15,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530477109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:28:15,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:28:15,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:28:15,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349730925] [2024-11-20 04:28:15,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:28:15,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:28:15,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:28:15,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:28:15,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:28:15,676 INFO L87 Difference]: Start difference. First operand 109 states and 171 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:28:15,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:28:15,736 INFO L93 Difference]: Finished difference Result 277 states and 432 transitions. [2024-11-20 04:28:15,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:28:15,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 242 [2024-11-20 04:28:15,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:28:15,739 INFO L225 Difference]: With dead ends: 277 [2024-11-20 04:28:15,739 INFO L226 Difference]: Without dead ends: 171 [2024-11-20 04:28:15,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:28:15,743 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 90 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:28:15,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 388 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:28:15,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-20 04:28:15,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2024-11-20 04:28:15,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 107 states have internal predecessors, (142), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-20 04:28:15,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 260 transitions. [2024-11-20 04:28:15,767 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 260 transitions. Word has length 242 [2024-11-20 04:28:15,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:28:15,768 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 260 transitions. [2024-11-20 04:28:15,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:28:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 260 transitions. [2024-11-20 04:28:15,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-20 04:28:15,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:28:15,771 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:28:15,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:28:15,771 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:28:15,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:28:15,772 INFO L85 PathProgramCache]: Analyzing trace with hash 486947855, now seen corresponding path program 1 times [2024-11-20 04:28:15,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:28:15,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132046550] [2024-11-20 04:28:15,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:28:15,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:28:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:28:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 04:28:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 04:28:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 04:28:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 04:28:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 04:28:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 04:28:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 04:28:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 04:28:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 04:28:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 04:28:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 04:28:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 04:28:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 04:28:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 04:28:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 04:28:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 04:28:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 04:28:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:28:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 04:28:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:28:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:28:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:28:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:28:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:28:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:28:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:28:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 04:28:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:28:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:28:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:28:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 04:28:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 04:28:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 04:28:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 04:28:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-20 04:28:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:28:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 04:28:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-20 04:28:16,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:28:16,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132046550] [2024-11-20 04:28:16,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132046550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:28:16,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:28:16,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:28:16,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813276638] [2024-11-20 04:28:16,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:28:16,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:28:16,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:28:16,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:28:16,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:28:16,137 INFO L87 Difference]: Start difference. First operand 168 states and 260 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:28:16,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:28:16,167 INFO L93 Difference]: Finished difference Result 335 states and 521 transitions. [2024-11-20 04:28:16,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:28:16,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 243 [2024-11-20 04:28:16,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:28:16,171 INFO L225 Difference]: With dead ends: 335 [2024-11-20 04:28:16,171 INFO L226 Difference]: Without dead ends: 170 [2024-11-20 04:28:16,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:28:16,176 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:28:16,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 334 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:28:16,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-20 04:28:16,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-11-20 04:28:16,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 108 states have (on average 1.3333333333333333) internal successors, (144), 109 states have internal predecessors, (144), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-20 04:28:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 262 transitions. [2024-11-20 04:28:16,194 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 262 transitions. Word has length 243 [2024-11-20 04:28:16,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:28:16,195 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 262 transitions. [2024-11-20 04:28:16,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:28:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 262 transitions. [2024-11-20 04:28:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-20 04:28:16,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:28:16,199 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:28:16,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:28:16,199 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:28:16,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:28:16,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1232380791, now seen corresponding path program 1 times [2024-11-20 04:28:16,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:28:16,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97141031] [2024-11-20 04:28:16,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:28:16,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:28:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:28:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 04:28:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 04:28:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 04:28:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 04:28:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 04:28:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 04:28:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 04:28:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 04:28:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 04:28:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 04:28:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 04:28:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 04:28:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 04:28:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 04:28:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 04:28:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 04:28:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 04:28:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:28:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 04:28:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:28:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:28:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:28:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:28:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:28:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:28:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:28:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 04:28:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:28:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:28:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:28:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 04:28:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 04:28:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 04:28:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 04:28:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-20 04:28:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:28:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 04:28:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-20 04:28:16,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:28:16,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97141031] [2024-11-20 04:28:16,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97141031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:28:16,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:28:16,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 04:28:16,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797550958] [2024-11-20 04:28:16,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:28:16,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 04:28:16,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:28:16,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 04:28:16,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 04:28:16,591 INFO L87 Difference]: Start difference. First operand 170 states and 262 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:28:16,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:28:16,918 INFO L93 Difference]: Finished difference Result 656 states and 985 transitions. [2024-11-20 04:28:16,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 04:28:16,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 244 [2024-11-20 04:28:16,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:28:16,926 INFO L225 Difference]: With dead ends: 656 [2024-11-20 04:28:16,926 INFO L226 Difference]: Without dead ends: 489 [2024-11-20 04:28:16,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 04:28:16,928 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 330 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:28:16,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 638 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:28:16,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-20 04:28:16,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 454. [2024-11-20 04:28:16,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 291 states have (on average 1.288659793814433) internal successors, (375), 298 states have internal predecessors, (375), 154 states have call successors, (154), 8 states have call predecessors, (154), 8 states have return successors, (154), 147 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-20 04:28:16,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 683 transitions. [2024-11-20 04:28:16,991 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 683 transitions. Word has length 244 [2024-11-20 04:28:16,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:28:16,994 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 683 transitions. [2024-11-20 04:28:16,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:28:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 683 transitions. [2024-11-20 04:28:16,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-20 04:28:16,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:28:16,997 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:28:16,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 04:28:16,997 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:28:16,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:28:16,998 INFO L85 PathProgramCache]: Analyzing trace with hash -800056439, now seen corresponding path program 1 times [2024-11-20 04:28:16,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:28:16,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300693391] [2024-11-20 04:28:16,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:28:16,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:28:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:28:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 04:28:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 04:28:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 04:28:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 04:28:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 04:28:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 04:28:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 04:28:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 04:28:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 04:28:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 04:28:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 04:28:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 04:28:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 04:28:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 04:28:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 04:28:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 04:28:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 04:28:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:28:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 04:28:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:28:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:28:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:28:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:28:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:28:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:28:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:28:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 04:28:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:28:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:28:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:28:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 04:28:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 04:28:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 04:28:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 04:28:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-20 04:28:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:28:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 04:28:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-20 04:28:17,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:28:17,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300693391] [2024-11-20 04:28:17,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300693391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:28:17,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:28:17,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:28:17,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845286774] [2024-11-20 04:28:17,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:28:17,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:28:17,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:28:17,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:28:17,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:28:17,350 INFO L87 Difference]: Start difference. First operand 454 states and 683 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:28:17,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:28:17,467 INFO L93 Difference]: Finished difference Result 1344 states and 2025 transitions. [2024-11-20 04:28:17,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:28:17,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 244 [2024-11-20 04:28:17,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:28:17,473 INFO L225 Difference]: With dead ends: 1344 [2024-11-20 04:28:17,473 INFO L226 Difference]: Without dead ends: 893 [2024-11-20 04:28:17,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:28:17,478 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 145 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:28:17,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 409 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:28:17,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2024-11-20 04:28:17,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 524. [2024-11-20 04:28:17,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 361 states have (on average 1.3545706371191135) internal successors, (489), 368 states have internal predecessors, (489), 154 states have call successors, (154), 8 states have call predecessors, (154), 8 states have return successors, (154), 147 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-20 04:28:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 797 transitions. [2024-11-20 04:28:17,545 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 797 transitions. Word has length 244 [2024-11-20 04:28:17,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:28:17,545 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 797 transitions. [2024-11-20 04:28:17,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-20 04:28:17,546 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 797 transitions. [2024-11-20 04:28:17,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-20 04:28:17,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:28:17,548 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:28:17,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 04:28:17,548 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:28:17,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:28:17,548 INFO L85 PathProgramCache]: Analyzing trace with hash 974950923, now seen corresponding path program 1 times [2024-11-20 04:28:17,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:28:17,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244596943] [2024-11-20 04:28:17,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:28:17,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:28:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:28:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 04:28:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 04:28:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 04:28:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 04:28:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 04:28:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 04:28:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 04:28:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 04:28:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 04:28:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 04:28:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 04:28:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 04:28:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 04:28:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 04:28:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 04:28:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 04:28:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 04:28:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:28:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 04:28:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:28:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:28:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:28:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:28:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:28:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:28:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:28:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 04:28:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:28:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:28:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:28:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 04:28:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 04:28:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 04:28:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 04:28:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-20 04:28:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:28:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 04:28:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 27 proven. 84 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-11-20 04:28:18,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:28:18,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244596943] [2024-11-20 04:28:18,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244596943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 04:28:18,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781118684] [2024-11-20 04:28:18,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:28:18,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:28:18,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:28:18,514 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 04:28:18,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 04:28:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:18,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 04:28:18,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 04:28:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1063 proven. 84 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2024-11-20 04:28:19,379 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 04:28:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 27 proven. 84 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-11-20 04:28:21,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781118684] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 04:28:21,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 04:28:21,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 17 [2024-11-20 04:28:21,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252192634] [2024-11-20 04:28:21,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 04:28:21,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 04:28:21,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:28:21,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 04:28:21,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-20 04:28:21,546 INFO L87 Difference]: Start difference. First operand 524 states and 797 transitions. Second operand has 17 states, 17 states have (on average 7.411764705882353) internal successors, (126), 17 states have internal predecessors, (126), 6 states have call successors, (114), 3 states have call predecessors, (114), 6 states have return successors, (114), 6 states have call predecessors, (114), 6 states have call successors, (114) [2024-11-20 04:28:23,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:28:23,616 INFO L93 Difference]: Finished difference Result 2887 states and 4318 transitions. [2024-11-20 04:28:23,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-20 04:28:23,617 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.411764705882353) internal successors, (126), 17 states have internal predecessors, (126), 6 states have call successors, (114), 3 states have call predecessors, (114), 6 states have return successors, (114), 6 states have call predecessors, (114), 6 states have call successors, (114) Word has length 244 [2024-11-20 04:28:23,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:28:23,629 INFO L225 Difference]: With dead ends: 2887 [2024-11-20 04:28:23,629 INFO L226 Difference]: Without dead ends: 2366 [2024-11-20 04:28:23,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=373, Invalid=1109, Unknown=0, NotChecked=0, Total=1482 [2024-11-20 04:28:23,631 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 966 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1003 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 1681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 564 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:28:23,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1003 Valid, 1343 Invalid, 1681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [564 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 04:28:23,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2024-11-20 04:28:23,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 1485. [2024-11-20 04:28:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 1038 states have (on average 1.3477842003853564) internal successors, (1399), 1060 states have internal predecessors, (1399), 418 states have call successors, (418), 28 states have call predecessors, (418), 28 states have return successors, (418), 396 states have call predecessors, (418), 418 states have call successors, (418) [2024-11-20 04:28:23,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2235 transitions. [2024-11-20 04:28:23,808 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2235 transitions. Word has length 244 [2024-11-20 04:28:23,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:28:23,808 INFO L471 AbstractCegarLoop]: Abstraction has 1485 states and 2235 transitions. [2024-11-20 04:28:23,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.411764705882353) internal successors, (126), 17 states have internal predecessors, (126), 6 states have call successors, (114), 3 states have call predecessors, (114), 6 states have return successors, (114), 6 states have call predecessors, (114), 6 states have call successors, (114) [2024-11-20 04:28:23,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2235 transitions. [2024-11-20 04:28:23,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-20 04:28:23,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:28:23,811 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:28:23,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 04:28:24,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-20 04:28:24,012 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:28:24,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:28:24,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1484424013, now seen corresponding path program 1 times [2024-11-20 04:28:24,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:28:24,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104856412] [2024-11-20 04:28:24,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:28:24,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:28:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:28:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 04:28:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 04:28:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 04:28:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 04:28:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-20 04:28:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 04:28:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-20 04:28:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 04:28:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 04:28:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 04:28:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 04:28:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 04:28:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 04:28:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 04:28:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 04:28:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 04:28:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 04:28:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 04:28:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 04:28:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 04:28:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 04:28:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 04:28:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-20 04:28:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 04:28:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-20 04:28:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 04:28:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-20 04:28:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-20 04:28:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:28:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:28:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-20 04:28:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-20 04:28:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-20 04:28:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-20 04:28:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-20 04:28:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-20 04:28:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-20 04:28:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:31,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 126 proven. 90 refuted. 0 times theorem prover too weak. 2596 trivial. 0 not checked. [2024-11-20 04:28:31,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:28:31,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104856412] [2024-11-20 04:28:31,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104856412] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 04:28:31,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71229651] [2024-11-20 04:28:32,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:28:32,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 04:28:32,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:28:32,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 04:28:32,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 04:28:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:28:32,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-20 04:28:32,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 04:28:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 2073 proven. 252 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2024-11-20 04:28:49,219 INFO L311 TraceCheckSpWp]: Computing backward predicates...