./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_codestructure_steplocals_file-84.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_codestructure_steplocals_file-84.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 1099dc6ef8775f885d201a02b7127f0105d58cf8211bece20c4f73890064a48d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:44:31,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:44:31,736 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 02:44:31,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:44:31,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:44:31,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:44:31,770 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:44:31,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:44:31,771 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:44:31,772 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:44:31,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:44:31,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:44:31,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:44:31,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:44:31,775 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:44:31,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:44:31,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:44:31,776 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 02:44:31,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 02:44:31,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 02:44:31,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:44:31,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:44:31,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:44:31,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:44:31,781 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:44:31,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 02:44:31,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:44:31,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:44:31,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:44:31,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:44:31,783 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:44:31,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:44:31,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:44:31,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:44:31,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:44:31,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:44:31,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 02:44:31,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 02:44:31,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:44:31,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:44:31,786 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:44:31,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:44:31,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1099dc6ef8775f885d201a02b7127f0105d58cf8211bece20c4f73890064a48d [2024-11-20 02:44:32,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:44:32,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:44:32,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:44:32,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:44:32,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:44:32,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-84.i [2024-11-20 02:44:33,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:44:33,672 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:44:33,673 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-84.i [2024-11-20 02:44:33,682 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9b32205/6fd5621aa11e4f32870645c6a046ec3d/FLAG93047f6a3 [2024-11-20 02:44:34,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9b32205/6fd5621aa11e4f32870645c6a046ec3d [2024-11-20 02:44:34,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:44:34,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:44:34,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:44:34,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:44:34,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:44:34,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e3ebb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34, skipping insertion in model container [2024-11-20 02:44:34,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:44:34,280 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_codestructure_steplocals_file-84.i[917,930] [2024-11-20 02:44:34,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:44:34,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:44:34,360 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_codestructure_steplocals_file-84.i[917,930] [2024-11-20 02:44:34,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:44:34,411 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:44:34,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34 WrapperNode [2024-11-20 02:44:34,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:44:34,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:44:34,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:44:34,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:44:34,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,466 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2024-11-20 02:44:34,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:44:34,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:44:34,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:44:34,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:44:34,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,505 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 02:44:34,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:44:34,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:44:34,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:44:34,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:44:34,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (1/1) ... [2024-11-20 02:44:34,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:44:34,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:44:34,568 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 02:44:34,571 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 02:44:34,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:44:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 02:44:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 02:44:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 02:44:34,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:44:34,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:44:34,698 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:44:34,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:44:35,159 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-20 02:44:35,160 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:44:35,180 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:44:35,180 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:44:35,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:44:35 BoogieIcfgContainer [2024-11-20 02:44:35,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:44:35,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:44:35,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:44:35,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:44:35,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:44:34" (1/3) ... [2024-11-20 02:44:35,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1540a158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:44:35, skipping insertion in model container [2024-11-20 02:44:35,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:44:34" (2/3) ... [2024-11-20 02:44:35,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1540a158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:44:35, skipping insertion in model container [2024-11-20 02:44:35,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:44:35" (3/3) ... [2024-11-20 02:44:35,190 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-84.i [2024-11-20 02:44:35,206 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:44:35,206 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:44:35,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:44:35,267 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;@7eb13205, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:44:35,268 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:44:35,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 58 states have (on average 1.396551724137931) internal successors, (81), 59 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 02:44:35,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-20 02:44:35,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:44:35,287 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:35,288 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:44:35,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:44:35,293 INFO L85 PathProgramCache]: Analyzing trace with hash -480624851, now seen corresponding path program 1 times [2024-11-20 02:44:35,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:44:35,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379499595] [2024-11-20 02:44:35,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:44:35,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:44:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:44:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:44:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:44:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:44:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:44:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:44:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:44:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:44:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:44:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:44:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:44:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:44:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:44:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:44:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:44:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:44:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:44:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:44:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:44:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:44:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:44:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:44:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:44:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:44:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:44:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:44:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:44:35,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:44:35,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379499595] [2024-11-20 02:44:35,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379499595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:44:35,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:44:35,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 02:44:35,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400576586] [2024-11-20 02:44:35,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:44:35,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 02:44:35,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:44:35,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 02:44:35,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:44:35,840 INFO L87 Difference]: Start difference. First operand has 87 states, 58 states have (on average 1.396551724137931) internal successors, (81), 59 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:44:35,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:44:35,880 INFO L93 Difference]: Finished difference Result 167 states and 286 transitions. [2024-11-20 02:44:35,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 02:44:35,883 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 167 [2024-11-20 02:44:35,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:44:35,891 INFO L225 Difference]: With dead ends: 167 [2024-11-20 02:44:35,891 INFO L226 Difference]: Without dead ends: 83 [2024-11-20 02:44:35,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 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 02:44:35,898 INFO L432 NwaCegarLoop]: 126 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, 126 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 02:44:35,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:44:35,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-20 02:44:35,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-20 02:44:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 55 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 02:44:35,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 126 transitions. [2024-11-20 02:44:35,949 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 126 transitions. Word has length 167 [2024-11-20 02:44:35,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:44:35,949 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 126 transitions. [2024-11-20 02:44:35,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:44:35,950 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 126 transitions. [2024-11-20 02:44:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-20 02:44:35,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:44:35,954 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:35,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 02:44:35,955 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:44:35,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:44:35,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1430748969, now seen corresponding path program 1 times [2024-11-20 02:44:35,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:44:35,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105271019] [2024-11-20 02:44:35,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:44:35,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:44:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:44:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:44:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:44:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:44:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:44:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:44:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:44:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:44:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:44:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:44:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:44:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:44:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:44:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:44:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:44:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:44:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:44:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:44:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:44:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:44:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:44:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:44:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:44:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:44:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:44:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:44:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:44:43,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:44:43,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105271019] [2024-11-20 02:44:43,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105271019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:44:43,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:44:43,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 02:44:43,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048800783] [2024-11-20 02:44:43,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:44:43,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 02:44:43,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:44:43,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 02:44:43,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 02:44:43,399 INFO L87 Difference]: Start difference. First operand 83 states and 126 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:44:44,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:44:44,445 INFO L93 Difference]: Finished difference Result 199 states and 300 transitions. [2024-11-20 02:44:44,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 02:44:44,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 167 [2024-11-20 02:44:44,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:44:44,448 INFO L225 Difference]: With dead ends: 199 [2024-11-20 02:44:44,449 INFO L226 Difference]: Without dead ends: 119 [2024-11-20 02:44:44,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:44:44,451 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 126 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 02:44:44,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 319 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 02:44:44,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-20 02:44:44,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 99. [2024-11-20 02:44:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 71 states have internal predecessors, (99), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 02:44:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 151 transitions. [2024-11-20 02:44:44,465 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 151 transitions. Word has length 167 [2024-11-20 02:44:44,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:44:44,467 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 151 transitions. [2024-11-20 02:44:44,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:44:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 151 transitions. [2024-11-20 02:44:44,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-20 02:44:44,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:44:44,470 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:44,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 02:44:44,471 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:44:44,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:44:44,471 INFO L85 PathProgramCache]: Analyzing trace with hash -930101558, now seen corresponding path program 1 times [2024-11-20 02:44:44,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:44:44,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451557289] [2024-11-20 02:44:44,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:44:44,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:44:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:44:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:44:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:44:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:44:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:44:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:44:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:44:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:44:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:44:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:44:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:44:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:44:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:44:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:44:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:44:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:44:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:44:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:44:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:44:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:44:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:44:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:44:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:44:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:44:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:44:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:44:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:44:51,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:44:51,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451557289] [2024-11-20 02:44:51,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451557289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:44:51,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:44:51,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 02:44:51,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003719449] [2024-11-20 02:44:51,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:44:51,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 02:44:51,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:44:51,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 02:44:51,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 02:44:51,073 INFO L87 Difference]: Start difference. First operand 99 states and 151 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:44:51,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:44:51,665 INFO L93 Difference]: Finished difference Result 197 states and 301 transitions. [2024-11-20 02:44:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 02:44:51,665 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2024-11-20 02:44:51,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:44:51,667 INFO L225 Difference]: With dead ends: 197 [2024-11-20 02:44:51,667 INFO L226 Difference]: Without dead ends: 101 [2024-11-20 02:44:51,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-20 02:44:51,670 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 115 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 02:44:51,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 285 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 02:44:51,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-20 02:44:51,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 83. [2024-11-20 02:44:51,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 55 states have internal predecessors, (73), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 02:44:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 125 transitions. [2024-11-20 02:44:51,689 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 125 transitions. Word has length 168 [2024-11-20 02:44:51,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:44:51,690 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 125 transitions. [2024-11-20 02:44:51,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:44:51,693 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 125 transitions. [2024-11-20 02:44:51,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-20 02:44:51,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:44:51,695 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:51,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 02:44:51,696 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:44:51,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:44:51,696 INFO L85 PathProgramCache]: Analyzing trace with hash 351059748, now seen corresponding path program 1 times [2024-11-20 02:44:51,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:44:51,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982162683] [2024-11-20 02:44:51,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:44:51,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:44:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:44:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:44:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:44:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:44:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:44:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:44:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:44:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:44:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:44:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:44:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:44:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:44:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:44:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:44:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:44:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:44:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:44:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:44:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:44:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:44:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:44:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:44:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:44:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:44:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:44:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:44:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:44:55,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:44:55,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:44:55,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982162683] [2024-11-20 02:44:55,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982162683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:44:55,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:44:55,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 02:44:55,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435775639] [2024-11-20 02:44:55,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:44:55,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 02:44:55,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:44:55,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 02:44:55,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-20 02:44:55,760 INFO L87 Difference]: Start difference. First operand 83 states and 125 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:44:57,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:44:57,071 INFO L93 Difference]: Finished difference Result 353 states and 512 transitions. [2024-11-20 02:44:57,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 02:44:57,071 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2024-11-20 02:44:57,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:44:57,075 INFO L225 Difference]: With dead ends: 353 [2024-11-20 02:44:57,075 INFO L226 Difference]: Without dead ends: 273 [2024-11-20 02:44:57,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-11-20 02:44:57,077 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 366 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 02:44:57,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 686 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 02:44:57,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-20 02:44:57,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 241. [2024-11-20 02:44:57,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 178 states have (on average 1.3426966292134832) internal successors, (239), 180 states have internal predecessors, (239), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 02:44:57,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 355 transitions. [2024-11-20 02:44:57,109 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 355 transitions. Word has length 169 [2024-11-20 02:44:57,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:44:57,110 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 355 transitions. [2024-11-20 02:44:57,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:44:57,110 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 355 transitions. [2024-11-20 02:44:57,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-20 02:44:57,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:44:57,112 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:57,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 02:44:57,113 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:44:57,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:44:57,113 INFO L85 PathProgramCache]: Analyzing trace with hash -928803930, now seen corresponding path program 1 times [2024-11-20 02:44:57,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:44:57,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586604279] [2024-11-20 02:44:57,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:44:57,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:44:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:45:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:45:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:45:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:45:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:45:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:45:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:45:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:45:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:45:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:45:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:45:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:45:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:45:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:45:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:45:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:45:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:45:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:45:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:45:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:45:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:45:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:45:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:45:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:45:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:45:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:45:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:45:00,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:45:00,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586604279] [2024-11-20 02:45:00,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586604279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:45:00,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:45:00,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 02:45:00,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309737254] [2024-11-20 02:45:00,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:45:00,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 02:45:00,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:45:00,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 02:45:00,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-20 02:45:00,115 INFO L87 Difference]: Start difference. First operand 241 states and 355 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:45:01,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:45:01,303 INFO L93 Difference]: Finished difference Result 490 states and 716 transitions. [2024-11-20 02:45:01,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 02:45:01,304 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2024-11-20 02:45:01,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:45:01,307 INFO L225 Difference]: With dead ends: 490 [2024-11-20 02:45:01,307 INFO L226 Difference]: Without dead ends: 252 [2024-11-20 02:45:01,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-20 02:45:01,309 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 383 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 02:45:01,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 518 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 02:45:01,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-20 02:45:01,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 232. [2024-11-20 02:45:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 169 states have (on average 1.3372781065088757) internal successors, (226), 171 states have internal predecessors, (226), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 02:45:01,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 342 transitions. [2024-11-20 02:45:01,367 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 342 transitions. Word has length 169 [2024-11-20 02:45:01,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:45:01,367 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 342 transitions. [2024-11-20 02:45:01,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:45:01,368 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 342 transitions. [2024-11-20 02:45:01,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-20 02:45:01,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:45:01,371 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:01,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 02:45:01,372 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:45:01,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:45:01,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1237288154, now seen corresponding path program 1 times [2024-11-20 02:45:01,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:45:01,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516490383] [2024-11-20 02:45:01,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:45:01,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:45:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:45:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:45:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:45:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:45:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:45:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:45:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:45:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:45:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:45:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:45:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:45:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:45:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:45:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:45:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:45:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:45:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:45:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:45:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:45:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:45:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:45:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:45:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:45:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:45:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:45:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:45:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:02,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:45:02,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:45:02,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516490383] [2024-11-20 02:45:02,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516490383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:45:02,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:45:02,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 02:45:02,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941381772] [2024-11-20 02:45:02,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:45:02,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 02:45:02,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:45:02,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 02:45:02,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:45:02,980 INFO L87 Difference]: Start difference. First operand 232 states and 342 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:03,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:45:03,890 INFO L93 Difference]: Finished difference Result 513 states and 741 transitions. [2024-11-20 02:45:03,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 02:45:03,891 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2024-11-20 02:45:03,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:45:03,896 INFO L225 Difference]: With dead ends: 513 [2024-11-20 02:45:03,896 INFO L226 Difference]: Without dead ends: 284 [2024-11-20 02:45:03,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-20 02:45:03,898 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 257 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 02:45:03,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 597 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 02:45:03,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-20 02:45:03,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 219. [2024-11-20 02:45:03,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 156 states have (on average 1.3333333333333333) internal successors, (208), 158 states have internal predecessors, (208), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 02:45:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 324 transitions. [2024-11-20 02:45:03,930 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 324 transitions. Word has length 169 [2024-11-20 02:45:03,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:45:03,931 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 324 transitions. [2024-11-20 02:45:03,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:03,931 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 324 transitions. [2024-11-20 02:45:03,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-20 02:45:03,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:45:03,933 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:03,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 02:45:03,933 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:45:03,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:45:03,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1777815464, now seen corresponding path program 1 times [2024-11-20 02:45:03,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:45:03,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144899852] [2024-11-20 02:45:03,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:45:03,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:45:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:45:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:45:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:45:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:45:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:45:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:45:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:45:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:45:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:45:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:45:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:45:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:45:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:45:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:45:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:45:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:45:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:45:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:45:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:45:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:45:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:45:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:45:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:45:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:45:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:45:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:45:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:45:05,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:45:05,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144899852] [2024-11-20 02:45:05,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144899852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:45:05,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:45:05,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 02:45:05,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010364590] [2024-11-20 02:45:05,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:45:05,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 02:45:05,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:45:05,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 02:45:05,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-20 02:45:05,720 INFO L87 Difference]: Start difference. First operand 219 states and 324 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:06,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:45:06,597 INFO L93 Difference]: Finished difference Result 475 states and 691 transitions. [2024-11-20 02:45:06,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 02:45:06,598 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2024-11-20 02:45:06,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:45:06,601 INFO L225 Difference]: With dead ends: 475 [2024-11-20 02:45:06,601 INFO L226 Difference]: Without dead ends: 263 [2024-11-20 02:45:06,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2024-11-20 02:45:06,606 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 264 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 02:45:06,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 559 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 02:45:06,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-20 02:45:06,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 208. [2024-11-20 02:45:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 145 states have (on average 1.3241379310344827) internal successors, (192), 147 states have internal predecessors, (192), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-20 02:45:06,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 308 transitions. [2024-11-20 02:45:06,635 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 308 transitions. Word has length 169 [2024-11-20 02:45:06,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:45:06,636 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 308 transitions. [2024-11-20 02:45:06,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:06,637 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 308 transitions. [2024-11-20 02:45:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-20 02:45:06,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:45:06,639 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:06,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 02:45:06,639 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:45:06,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:45:06,640 INFO L85 PathProgramCache]: Analyzing trace with hash 134084039, now seen corresponding path program 1 times [2024-11-20 02:45:06,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:45:06,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624187993] [2024-11-20 02:45:06,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:45:06,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:45:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:45:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:45:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:45:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:45:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:45:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:45:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:45:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:45:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:45:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:45:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:45:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:45:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:45:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:45:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:45:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:45:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:45:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:45:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:45:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:45:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:45:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:45:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:45:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:45:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:45:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:45:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:45:12,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:45:12,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624187993] [2024-11-20 02:45:12,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624187993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:45:12,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:45:12,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 02:45:12,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664733090] [2024-11-20 02:45:12,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:45:12,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 02:45:12,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:45:12,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 02:45:12,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-20 02:45:12,481 INFO L87 Difference]: Start difference. First operand 208 states and 308 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:45:15,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:45:15,808 INFO L93 Difference]: Finished difference Result 442 states and 634 transitions. [2024-11-20 02:45:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 02:45:15,810 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 170 [2024-11-20 02:45:15,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:45:15,812 INFO L225 Difference]: With dead ends: 442 [2024-11-20 02:45:15,812 INFO L226 Difference]: Without dead ends: 362 [2024-11-20 02:45:15,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-11-20 02:45:15,815 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 466 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-20 02:45:15,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 663 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-20 02:45:15,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-20 02:45:15,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 294. [2024-11-20 02:45:15,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 223 states have (on average 1.345291479820628) internal successors, (300), 227 states have internal predecessors, (300), 64 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-20 02:45:15,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 428 transitions. [2024-11-20 02:45:15,841 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 428 transitions. Word has length 170 [2024-11-20 02:45:15,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:45:15,842 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 428 transitions. [2024-11-20 02:45:15,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:45:15,843 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 428 transitions. [2024-11-20 02:45:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-20 02:45:15,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:45:15,844 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:15,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 02:45:15,845 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:45:15,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:45:15,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1145779639, now seen corresponding path program 1 times [2024-11-20 02:45:15,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:45:15,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609027467] [2024-11-20 02:45:15,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:45:15,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:45:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:45:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:45:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:45:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:45:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:45:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:45:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:45:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:45:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:45:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:45:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:45:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:45:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:45:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:45:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:45:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:45:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:45:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:45:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:45:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:45:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:45:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:45:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:45:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:45:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:45:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:45:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:21,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:45:21,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:45:21,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609027467] [2024-11-20 02:45:21,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609027467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:45:21,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:45:21,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 02:45:21,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062201225] [2024-11-20 02:45:21,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:45:21,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 02:45:21,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:45:21,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 02:45:21,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-20 02:45:21,653 INFO L87 Difference]: Start difference. First operand 294 states and 428 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:45:24,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:45:24,865 INFO L93 Difference]: Finished difference Result 507 states and 728 transitions. [2024-11-20 02:45:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 02:45:24,866 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 170 [2024-11-20 02:45:24,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:45:24,869 INFO L225 Difference]: With dead ends: 507 [2024-11-20 02:45:24,869 INFO L226 Difference]: Without dead ends: 341 [2024-11-20 02:45:24,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-11-20 02:45:24,871 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 402 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-20 02:45:24,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 653 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-20 02:45:24,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-11-20 02:45:24,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 285. [2024-11-20 02:45:24,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 214 states have (on average 1.341121495327103) internal successors, (287), 218 states have internal predecessors, (287), 64 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-20 02:45:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 415 transitions. [2024-11-20 02:45:24,899 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 415 transitions. Word has length 170 [2024-11-20 02:45:24,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:45:24,900 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 415 transitions. [2024-11-20 02:45:24,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 02:45:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 415 transitions. [2024-11-20 02:45:24,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-20 02:45:24,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:45:24,902 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:24,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 02:45:24,902 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:45:24,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:45:24,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1454263863, now seen corresponding path program 1 times [2024-11-20 02:45:24,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:45:24,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333162241] [2024-11-20 02:45:24,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:45:24,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:45:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:45:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:45:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:45:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:45:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:45:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:45:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:45:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:45:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:45:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:45:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:45:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:45:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:45:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:45:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:45:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:45:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:45:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:45:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:45:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:45:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:45:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:45:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:45:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:45:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:45:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:45:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:30,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:45:30,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:45:30,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333162241] [2024-11-20 02:45:30,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333162241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:45:30,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:45:30,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 02:45:30,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693276463] [2024-11-20 02:45:30,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:45:30,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 02:45:30,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:45:30,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 02:45:30,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-20 02:45:30,047 INFO L87 Difference]: Start difference. First operand 285 states and 415 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:32,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:45:32,956 INFO L93 Difference]: Finished difference Result 526 states and 747 transitions. [2024-11-20 02:45:32,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 02:45:32,958 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-20 02:45:32,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:45:32,961 INFO L225 Difference]: With dead ends: 526 [2024-11-20 02:45:32,961 INFO L226 Difference]: Without dead ends: 369 [2024-11-20 02:45:32,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-20 02:45:32,962 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 268 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:45:32,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 936 Invalid, 904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-20 02:45:32,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-20 02:45:32,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 303. [2024-11-20 02:45:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 229 states have (on average 1.3406113537117903) internal successors, (307), 233 states have internal predecessors, (307), 66 states have call successors, (66), 7 states have call predecessors, (66), 7 states have return successors, (66), 62 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 02:45:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 439 transitions. [2024-11-20 02:45:32,995 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 439 transitions. Word has length 170 [2024-11-20 02:45:32,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:45:32,995 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 439 transitions. [2024-11-20 02:45:32,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:32,996 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 439 transitions. [2024-11-20 02:45:32,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-20 02:45:32,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:45:32,997 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:32,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 02:45:32,998 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:45:32,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:45:32,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1560839755, now seen corresponding path program 1 times [2024-11-20 02:45:32,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:45:32,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578217193] [2024-11-20 02:45:32,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:45:32,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:45:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:45:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:45:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:45:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:45:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:45:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:45:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:45:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:45:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:45:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:45:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:45:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:45:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:45:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:45:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:45:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:45:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:45:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:45:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:45:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:45:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:45:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:45:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:45:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:45:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:45:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:45:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:38,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:45:38,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:45:38,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578217193] [2024-11-20 02:45:38,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578217193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:45:38,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:45:38,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 02:45:38,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853635307] [2024-11-20 02:45:38,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:45:38,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 02:45:38,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:45:38,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 02:45:38,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-20 02:45:38,547 INFO L87 Difference]: Start difference. First operand 303 states and 439 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:43,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:45:43,354 INFO L93 Difference]: Finished difference Result 581 states and 820 transitions. [2024-11-20 02:45:43,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 02:45:43,356 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-20 02:45:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:45:43,358 INFO L225 Difference]: With dead ends: 581 [2024-11-20 02:45:43,358 INFO L226 Difference]: Without dead ends: 406 [2024-11-20 02:45:43,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-11-20 02:45:43,360 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 140 mSDsluCounter, 994 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:45:43,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 1159 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1381 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-20 02:45:43,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-20 02:45:43,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 322. [2024-11-20 02:45:43,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 245 states have (on average 1.3346938775510204) internal successors, (327), 250 states have internal predecessors, (327), 68 states have call successors, (68), 8 states have call predecessors, (68), 8 states have return successors, (68), 63 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-20 02:45:43,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 463 transitions. [2024-11-20 02:45:43,395 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 463 transitions. Word has length 170 [2024-11-20 02:45:43,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:45:43,396 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 463 transitions. [2024-11-20 02:45:43,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:43,397 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 463 transitions. [2024-11-20 02:45:43,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-20 02:45:43,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:45:43,398 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:43,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 02:45:43,398 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:45:43,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:45:43,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1218389949, now seen corresponding path program 1 times [2024-11-20 02:45:43,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:45:43,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351189162] [2024-11-20 02:45:43,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:45:43,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:45:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:45:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:45:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:45:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:45:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:45:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:45:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:45:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:45:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:45:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:45:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:45:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:45:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:45:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:45:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:45:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:45:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:45:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:45:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:45:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:45:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:45:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:45:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:45:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:45:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:45:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:45:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:45:43,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:45:43,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351189162] [2024-11-20 02:45:43,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351189162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:45:43,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:45:43,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 02:45:43,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628791680] [2024-11-20 02:45:43,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:45:43,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 02:45:43,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:45:43,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 02:45:43,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 02:45:43,489 INFO L87 Difference]: Start difference. First operand 322 states and 463 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:43,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:45:43,597 INFO L93 Difference]: Finished difference Result 847 states and 1202 transitions. [2024-11-20 02:45:43,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 02:45:43,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-20 02:45:43,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:45:43,602 INFO L225 Difference]: With dead ends: 847 [2024-11-20 02:45:43,602 INFO L226 Difference]: Without dead ends: 532 [2024-11-20 02:45:43,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 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 02:45:43,603 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 41 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:45:43,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 204 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:45:43,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-20 02:45:43,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 422. [2024-11-20 02:45:43,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 339 states have (on average 1.3539823008849559) internal successors, (459), 345 states have internal predecessors, (459), 72 states have call successors, (72), 10 states have call predecessors, (72), 10 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 02:45:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 603 transitions. [2024-11-20 02:45:43,646 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 603 transitions. Word has length 170 [2024-11-20 02:45:43,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:45:43,646 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 603 transitions. [2024-11-20 02:45:43,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 603 transitions. [2024-11-20 02:45:43,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-20 02:45:43,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:45:43,648 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:43,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 02:45:43,649 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:45:43,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:45:43,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1587107223, now seen corresponding path program 1 times [2024-11-20 02:45:43,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:45:43,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423760172] [2024-11-20 02:45:43,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:45:43,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:45:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:45:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:45:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:45:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:45:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:45:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:45:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:45:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:45:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:45:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:45:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:45:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:45:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:45:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:45:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:45:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:45:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:45:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:45:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:45:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:45:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:45:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:45:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:45:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:45:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:45:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:45:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:45:43,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:45:43,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423760172] [2024-11-20 02:45:43,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423760172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:45:43,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:45:43,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 02:45:43,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875555190] [2024-11-20 02:45:43,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:45:43,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 02:45:43,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:45:43,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 02:45:43,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:45:43,859 INFO L87 Difference]: Start difference. First operand 422 states and 603 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:43,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:45:43,992 INFO L93 Difference]: Finished difference Result 830 states and 1185 transitions. [2024-11-20 02:45:43,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 02:45:43,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-20 02:45:43,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:45:43,997 INFO L225 Difference]: With dead ends: 830 [2024-11-20 02:45:43,997 INFO L226 Difference]: Without dead ends: 411 [2024-11-20 02:45:43,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 02:45:44,000 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 78 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:45:44,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 320 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:45:44,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-20 02:45:44,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 409. [2024-11-20 02:45:44,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 326 states have (on average 1.3466257668711656) internal successors, (439), 332 states have internal predecessors, (439), 72 states have call successors, (72), 10 states have call predecessors, (72), 10 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 02:45:44,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 583 transitions. [2024-11-20 02:45:44,039 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 583 transitions. Word has length 170 [2024-11-20 02:45:44,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:45:44,039 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 583 transitions. [2024-11-20 02:45:44,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 583 transitions. [2024-11-20 02:45:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-20 02:45:44,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:45:44,041 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:44,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 02:45:44,041 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:45:44,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:45:44,042 INFO L85 PathProgramCache]: Analyzing trace with hash -844172460, now seen corresponding path program 1 times [2024-11-20 02:45:44,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:45:44,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644013411] [2024-11-20 02:45:44,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:45:44,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:45:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:45:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:45:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:45:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:45:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:45:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:45:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:45:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:45:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:45:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:45:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:45:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:45:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:45:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:45:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:45:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:45:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:45:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:45:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:45:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:45:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:45:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:45:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:45:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:45:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:45:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:45:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 02:45:45,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:45:45,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644013411] [2024-11-20 02:45:45,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644013411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:45:45,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:45:45,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 02:45:45,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829991557] [2024-11-20 02:45:45,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:45:45,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 02:45:45,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:45:45,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 02:45:45,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 02:45:45,911 INFO L87 Difference]: Start difference. First operand 409 states and 583 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:47,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:45:47,017 INFO L93 Difference]: Finished difference Result 675 states and 960 transitions. [2024-11-20 02:45:47,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 02:45:47,018 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-11-20 02:45:47,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:45:47,021 INFO L225 Difference]: With dead ends: 675 [2024-11-20 02:45:47,021 INFO L226 Difference]: Without dead ends: 421 [2024-11-20 02:45:47,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-20 02:45:47,022 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 69 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 02:45:47,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 788 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 02:45:47,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-20 02:45:47,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 396. [2024-11-20 02:45:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 313 states have (on average 1.3386581469648562) internal successors, (419), 319 states have internal predecessors, (419), 72 states have call successors, (72), 10 states have call predecessors, (72), 10 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-20 02:45:47,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 563 transitions. [2024-11-20 02:45:47,069 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 563 transitions. Word has length 171 [2024-11-20 02:45:47,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:45:47,070 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 563 transitions. [2024-11-20 02:45:47,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 02:45:47,070 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 563 transitions. [2024-11-20 02:45:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-20 02:45:47,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:45:47,071 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:47,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 02:45:47,072 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:45:47,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:45:47,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1526818079, now seen corresponding path program 1 times [2024-11-20 02:45:47,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:45:47,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876233336] [2024-11-20 02:45:47,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:45:47,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:45:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:45:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:45:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:45:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:45:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:45:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:45:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:45:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:45:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:45:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:45:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 02:45:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:45:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 02:45:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 02:45:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 02:45:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-20 02:45:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 02:45:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-20 02:45:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 02:45:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 02:45:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 02:45:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 02:45:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-20 02:45:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 02:45:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 02:45:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-20 02:45:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 90 proven. 54 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2024-11-20 02:45:47,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:45:47,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876233336] [2024-11-20 02:45:47,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876233336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 02:45:47,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812197610] [2024-11-20 02:45:47,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:45:47,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 02:45:47,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:45:47,469 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 02:45:47,470 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 02:45:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:45:47,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 02:45:47,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 02:45:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 750 proven. 54 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-20 02:45:48,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 02:45:48,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 90 proven. 57 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2024-11-20 02:45:48,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812197610] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 02:45:48,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 02:45:48,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 21 [2024-11-20 02:45:48,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353266352] [2024-11-20 02:45:48,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 02:45:48,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-20 02:45:48,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:45:48,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-20 02:45:48,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-11-20 02:45:48,430 INFO L87 Difference]: Start difference. First operand 396 states and 563 transitions. Second operand has 21 states, 20 states have (on average 4.1) internal successors, (82), 20 states have internal predecessors, (82), 6 states have call successors, (40), 3 states have call predecessors, (40), 7 states have return successors, (41), 6 states have call predecessors, (41), 6 states have call successors, (41)