./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5d0383a4e6cd736ce942b7c7434972bd19bfcd72f59366bdeede374768e8834f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 07:11:29,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 07:11:29,483 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 07:11:29,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 07:11:29,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 07:11:29,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 07:11:29,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 07:11:29,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 07:11:29,519 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 07:11:29,520 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 07:11:29,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 07:11:29,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 07:11:29,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 07:11:29,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 07:11:29,524 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 07:11:29,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 07:11:29,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 07:11:29,525 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 07:11:29,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 07:11:29,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 07:11:29,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 07:11:29,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 07:11:29,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 07:11:29,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 07:11:29,530 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 07:11:29,530 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 07:11:29,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 07:11:29,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 07:11:29,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 07:11:29,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 07:11:29,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 07:11:29,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 07:11:29,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:11:29,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 07:11:29,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 07:11:29,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 07:11:29,536 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 07:11:29,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 07:11:29,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 07:11:29,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 07:11:29,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 07:11:29,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 07:11:29,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d0383a4e6cd736ce942b7c7434972bd19bfcd72f59366bdeede374768e8834f [2024-10-24 07:11:29,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 07:11:29,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 07:11:29,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 07:11:29,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 07:11:29,831 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 07:11:29,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i [2024-10-24 07:11:31,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 07:11:31,480 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 07:11:31,481 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i [2024-10-24 07:11:31,494 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53599393c/aeaff5571f5a47058ed09297a07d6df0/FLAG061d65942 [2024-10-24 07:11:31,507 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53599393c/aeaff5571f5a47058ed09297a07d6df0 [2024-10-24 07:11:31,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 07:11:31,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 07:11:31,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 07:11:31,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 07:11:31,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 07:11:31,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:11:31" (1/1) ... [2024-10-24 07:11:31,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e60e87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:31, skipping insertion in model container [2024-10-24 07:11:31,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:11:31" (1/1) ... [2024-10-24 07:11:31,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 07:11:31,733 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i[919,932] [2024-10-24 07:11:31,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:11:31,933 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 07:11:31,947 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i[919,932] [2024-10-24 07:11:31,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 07:11:32,015 INFO L204 MainTranslator]: Completed translation [2024-10-24 07:11:32,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32 WrapperNode [2024-10-24 07:11:32,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 07:11:32,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 07:11:32,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 07:11:32,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 07:11:32,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (1/1) ... [2024-10-24 07:11:32,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (1/1) ... [2024-10-24 07:11:32,087 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-10-24 07:11:32,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 07:11:32,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 07:11:32,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 07:11:32,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 07:11:32,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (1/1) ... [2024-10-24 07:11:32,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (1/1) ... [2024-10-24 07:11:32,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (1/1) ... [2024-10-24 07:11:32,140 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 07:11:32,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (1/1) ... [2024-10-24 07:11:32,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (1/1) ... [2024-10-24 07:11:32,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (1/1) ... [2024-10-24 07:11:32,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (1/1) ... [2024-10-24 07:11:32,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (1/1) ... [2024-10-24 07:11:32,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (1/1) ... [2024-10-24 07:11:32,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 07:11:32,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 07:11:32,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 07:11:32,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 07:11:32,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (1/1) ... [2024-10-24 07:11:32,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 07:11:32,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 07:11:32,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 07:11:32,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 07:11:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 07:11:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 07:11:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 07:11:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 07:11:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 07:11:32,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 07:11:32,369 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 07:11:32,371 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 07:11:32,878 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-24 07:11:32,879 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 07:11:32,933 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 07:11:32,934 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 07:11:32,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:11:32 BoogieIcfgContainer [2024-10-24 07:11:32,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 07:11:32,937 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 07:11:32,937 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 07:11:32,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 07:11:32,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:11:31" (1/3) ... [2024-10-24 07:11:32,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fa401b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:11:32, skipping insertion in model container [2024-10-24 07:11:32,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:11:32" (2/3) ... [2024-10-24 07:11:32,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fa401b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:11:32, skipping insertion in model container [2024-10-24 07:11:32,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:11:32" (3/3) ... [2024-10-24 07:11:32,946 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-86.i [2024-10-24 07:11:32,962 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 07:11:32,963 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 07:11:33,024 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 07:11:33,030 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;@126205ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 07:11:33,030 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 07:11:33,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 63 states have (on average 1.5238095238095237) internal successors, (96), 64 states have internal predecessors, (96), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 07:11:33,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-24 07:11:33,055 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:11:33,056 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:11:33,056 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:11:33,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:11:33,063 INFO L85 PathProgramCache]: Analyzing trace with hash 214037025, now seen corresponding path program 1 times [2024-10-24 07:11:33,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:11:33,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319038266] [2024-10-24 07:11:33,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:11:33,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:11:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:11:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:11:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:11:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:11:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:11:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:11:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:11:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:11:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:11:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:11:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:11:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:11:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:11:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:11:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:11:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:11:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:11:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:11:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:11:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:11:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:11:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:11:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:11:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:11:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:11:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:11:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:11:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:11:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:11:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:11:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:11:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:11:33,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:11:33,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319038266] [2024-10-24 07:11:33,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319038266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:11:33,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:11:33,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 07:11:33,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052008110] [2024-10-24 07:11:33,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:11:33,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 07:11:33,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:11:33,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 07:11:33,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:11:33,743 INFO L87 Difference]: Start difference. First operand has 97 states, 63 states have (on average 1.5238095238095237) internal successors, (96), 64 states have internal predecessors, (96), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:11:33,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:11:33,806 INFO L93 Difference]: Finished difference Result 191 states and 345 transitions. [2024-10-24 07:11:33,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 07:11:33,810 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 192 [2024-10-24 07:11:33,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:11:33,819 INFO L225 Difference]: With dead ends: 191 [2024-10-24 07:11:33,819 INFO L226 Difference]: Without dead ends: 95 [2024-10-24 07:11:33,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 07:11:33,829 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:11:33,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:11:33,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-24 07:11:33,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-10-24 07:11:33,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 62 states have internal predecessors, (90), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 07:11:33,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 152 transitions. [2024-10-24 07:11:33,881 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 152 transitions. Word has length 192 [2024-10-24 07:11:33,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:11:33,882 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 152 transitions. [2024-10-24 07:11:33,882 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:11:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 152 transitions. [2024-10-24 07:11:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-24 07:11:33,887 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:11:33,888 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:11:33,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 07:11:33,889 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:11:33,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:11:33,889 INFO L85 PathProgramCache]: Analyzing trace with hash 561584739, now seen corresponding path program 1 times [2024-10-24 07:11:33,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:11:33,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393051773] [2024-10-24 07:11:33,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:11:33,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:11:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:11:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:11:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:11:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:11:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:11:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:11:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:11:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:11:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:11:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:11:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:11:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:11:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:11:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:11:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:11:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:11:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:11:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:11:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:11:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:11:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:11:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:11:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:11:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:11:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:11:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:11:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:11:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:11:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:11:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:11:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:11:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:11:34,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:11:34,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393051773] [2024-10-24 07:11:34,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393051773] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:11:34,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:11:34,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:11:34,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797632275] [2024-10-24 07:11:34,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:11:34,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:11:34,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:11:34,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:11:34,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:11:34,398 INFO L87 Difference]: Start difference. First operand 95 states and 152 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:11:34,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:11:34,447 INFO L93 Difference]: Finished difference Result 190 states and 305 transitions. [2024-10-24 07:11:34,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:11:34,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2024-10-24 07:11:34,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:11:34,457 INFO L225 Difference]: With dead ends: 190 [2024-10-24 07:11:34,457 INFO L226 Difference]: Without dead ends: 96 [2024-10-24 07:11:34,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:11:34,459 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:11:34,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 291 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:11:34,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-24 07:11:34,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-24 07:11:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 63 states have (on average 1.4444444444444444) internal successors, (91), 63 states have internal predecessors, (91), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 07:11:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2024-10-24 07:11:34,485 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 192 [2024-10-24 07:11:34,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:11:34,487 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2024-10-24 07:11:34,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:11:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2024-10-24 07:11:34,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-24 07:11:34,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:11:34,495 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:11:34,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 07:11:34,496 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:11:34,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:11:34,496 INFO L85 PathProgramCache]: Analyzing trace with hash 618843041, now seen corresponding path program 1 times [2024-10-24 07:11:34,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:11:34,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700404788] [2024-10-24 07:11:34,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:11:34,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:11:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:11:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:11:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:11:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:11:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:11:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:11:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:11:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:11:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:11:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:11:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:11:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:11:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:11:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:11:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:11:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:11:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:11:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:11:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:11:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:11:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:11:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:11:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:11:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:11:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:11:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:11:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:11:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:11:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:11:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:11:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:11:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:34,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:11:34,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:11:34,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700404788] [2024-10-24 07:11:34,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700404788] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:11:34,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:11:34,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 07:11:34,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379116451] [2024-10-24 07:11:34,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:11:34,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 07:11:34,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:11:34,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 07:11:34,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 07:11:34,970 INFO L87 Difference]: Start difference. First operand 96 states and 153 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:11:35,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:11:35,262 INFO L93 Difference]: Finished difference Result 287 states and 458 transitions. [2024-10-24 07:11:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 07:11:35,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2024-10-24 07:11:35,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:11:35,265 INFO L225 Difference]: With dead ends: 287 [2024-10-24 07:11:35,268 INFO L226 Difference]: Without dead ends: 192 [2024-10-24 07:11:35,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 07:11:35,271 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 112 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:11:35,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 519 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 07:11:35,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-10-24 07:11:35,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 148. [2024-10-24 07:11:35,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 83 states have internal predecessors, (111), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 07:11:35,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 235 transitions. [2024-10-24 07:11:35,296 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 235 transitions. Word has length 192 [2024-10-24 07:11:35,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:11:35,298 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 235 transitions. [2024-10-24 07:11:35,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:11:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 235 transitions. [2024-10-24 07:11:35,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-24 07:11:35,304 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:11:35,304 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:11:35,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 07:11:35,304 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:11:35,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:11:35,305 INFO L85 PathProgramCache]: Analyzing trace with hash -198805409, now seen corresponding path program 1 times [2024-10-24 07:11:35,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:11:35,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996912498] [2024-10-24 07:11:35,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:11:35,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:11:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:11:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:11:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:11:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:11:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:11:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:11:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:11:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:11:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:11:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:11:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:11:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:11:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:11:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:11:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:11:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:11:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:11:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:11:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:11:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:11:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:11:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:11:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:11:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:11:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:11:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:11:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:11:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:11:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:11:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:11:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:11:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:42,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:11:42,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:11:42,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996912498] [2024-10-24 07:11:42,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996912498] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:11:42,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:11:42,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 07:11:42,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768857018] [2024-10-24 07:11:42,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:11:42,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 07:11:42,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:11:42,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 07:11:42,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-10-24 07:11:42,830 INFO L87 Difference]: Start difference. First operand 148 states and 235 transitions. Second operand has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:11:45,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:11:45,797 INFO L93 Difference]: Finished difference Result 430 states and 683 transitions. [2024-10-24 07:11:45,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 07:11:45,799 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2024-10-24 07:11:45,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:11:45,802 INFO L225 Difference]: With dead ends: 430 [2024-10-24 07:11:45,802 INFO L226 Difference]: Without dead ends: 335 [2024-10-24 07:11:45,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2024-10-24 07:11:45,804 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 621 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:11:45,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 1162 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 07:11:45,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-10-24 07:11:45,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 189. [2024-10-24 07:11:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 124 states have (on average 1.4112903225806452) internal successors, (175), 124 states have internal predecessors, (175), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 07:11:45,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 299 transitions. [2024-10-24 07:11:45,838 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 299 transitions. Word has length 192 [2024-10-24 07:11:45,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:11:45,839 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 299 transitions. [2024-10-24 07:11:45,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:11:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 299 transitions. [2024-10-24 07:11:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-24 07:11:45,842 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:11:45,842 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:11:45,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 07:11:45,843 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:11:45,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:11:45,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1787153311, now seen corresponding path program 1 times [2024-10-24 07:11:45,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:11:45,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812669914] [2024-10-24 07:11:45,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:11:45,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:11:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:11:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:11:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:11:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:11:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:11:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:11:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:11:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:11:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:11:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:11:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:11:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:11:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:11:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:11:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:11:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:11:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:11:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:11:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:11:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:11:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:11:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:11:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:11:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:11:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:11:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:11:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:11:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:11:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:11:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:11:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:11:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:11:45,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:11:45,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812669914] [2024-10-24 07:11:45,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812669914] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:11:45,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:11:45,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 07:11:45,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437140169] [2024-10-24 07:11:45,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:11:45,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 07:11:45,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:11:45,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 07:11:45,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:11:45,964 INFO L87 Difference]: Start difference. First operand 189 states and 299 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:11:46,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:11:46,018 INFO L93 Difference]: Finished difference Result 378 states and 601 transitions. [2024-10-24 07:11:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 07:11:46,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 192 [2024-10-24 07:11:46,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:11:46,023 INFO L225 Difference]: With dead ends: 378 [2024-10-24 07:11:46,024 INFO L226 Difference]: Without dead ends: 283 [2024-10-24 07:11:46,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 07:11:46,026 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 144 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:11:46,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 342 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:11:46,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2024-10-24 07:11:46,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 281. [2024-10-24 07:11:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 184 states have (on average 1.4076086956521738) internal successors, (259), 184 states have internal predecessors, (259), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:11:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 445 transitions. [2024-10-24 07:11:46,066 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 445 transitions. Word has length 192 [2024-10-24 07:11:46,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:11:46,067 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 445 transitions. [2024-10-24 07:11:46,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:11:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 445 transitions. [2024-10-24 07:11:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-24 07:11:46,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:11:46,069 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:11:46,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 07:11:46,070 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:11:46,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:11:46,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1566842337, now seen corresponding path program 1 times [2024-10-24 07:11:46,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:11:46,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424448962] [2024-10-24 07:11:46,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:11:46,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:11:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:11:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:11:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:11:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:11:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:11:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:11:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:11:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:11:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:11:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:11:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:11:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:11:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:11:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:11:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:11:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:11:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:11:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:11:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:11:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:11:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:11:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:11:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:11:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:11:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:11:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:11:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:11:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:11:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:11:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:11:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:11:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:11:52,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:11:52,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424448962] [2024-10-24 07:11:52,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424448962] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:11:52,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:11:52,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 07:11:52,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865735741] [2024-10-24 07:11:52,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:11:52,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 07:11:52,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:11:52,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 07:11:52,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2024-10-24 07:11:52,681 INFO L87 Difference]: Start difference. First operand 281 states and 445 transitions. Second operand has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-24 07:11:55,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:11:55,799 INFO L93 Difference]: Finished difference Result 427 states and 667 transitions. [2024-10-24 07:11:55,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 07:11:55,800 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 193 [2024-10-24 07:11:55,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:11:55,803 INFO L225 Difference]: With dead ends: 427 [2024-10-24 07:11:55,803 INFO L226 Difference]: Without dead ends: 425 [2024-10-24 07:11:55,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=189, Invalid=567, Unknown=0, NotChecked=0, Total=756 [2024-10-24 07:11:55,804 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1221 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 07:11:55,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1303 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 07:11:55,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-24 07:11:55,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 282. [2024-10-24 07:11:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 185 states have (on average 1.4054054054054055) internal successors, (260), 185 states have internal predecessors, (260), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:11:55,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 446 transitions. [2024-10-24 07:11:55,842 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 446 transitions. Word has length 193 [2024-10-24 07:11:55,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:11:55,843 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 446 transitions. [2024-10-24 07:11:55,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-24 07:11:55,843 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 446 transitions. [2024-10-24 07:11:55,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-24 07:11:55,845 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:11:55,845 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:11:55,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 07:11:55,846 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:11:55,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:11:55,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1654938951, now seen corresponding path program 1 times [2024-10-24 07:11:55,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:11:55,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684920185] [2024-10-24 07:11:55,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:11:55,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:11:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:11:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:11:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:11:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:11:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:11:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:11:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:11:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:11:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:11:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:11:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:11:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:11:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:11:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:11:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:11:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:11:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:11:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:11:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:11:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:11:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:11:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:11:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:11:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:11:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:11:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:11:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:11:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:11:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:11:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:11:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:11:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:11:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:11:56,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:11:56,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684920185] [2024-10-24 07:11:56,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684920185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:11:56,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:11:56,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 07:11:56,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203172189] [2024-10-24 07:11:56,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:11:56,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 07:11:56,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:11:56,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 07:11:56,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 07:11:56,085 INFO L87 Difference]: Start difference. First operand 282 states and 446 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:11:56,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:11:56,119 INFO L93 Difference]: Finished difference Result 530 states and 843 transitions. [2024-10-24 07:11:56,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 07:11:56,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-24 07:11:56,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:11:56,127 INFO L225 Difference]: With dead ends: 530 [2024-10-24 07:11:56,127 INFO L226 Difference]: Without dead ends: 340 [2024-10-24 07:11:56,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 07:11:56,129 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 47 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:11:56,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 431 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 07:11:56,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-24 07:11:56,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 282. [2024-10-24 07:11:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 185 states have (on average 1.3891891891891892) internal successors, (257), 185 states have internal predecessors, (257), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:11:56,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 443 transitions. [2024-10-24 07:11:56,158 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 443 transitions. Word has length 193 [2024-10-24 07:11:56,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:11:56,159 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 443 transitions. [2024-10-24 07:11:56,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:11:56,159 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 443 transitions. [2024-10-24 07:11:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-24 07:11:56,162 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:11:56,163 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:11:56,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 07:11:56,163 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:11:56,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:11:56,163 INFO L85 PathProgramCache]: Analyzing trace with hash 2053222331, now seen corresponding path program 1 times [2024-10-24 07:11:56,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:11:56,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756277979] [2024-10-24 07:11:56,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:11:56,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:11:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:12:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:12:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:12:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:12:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:12:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:12:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:12:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:12:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:12:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:12:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:12:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:12:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:05,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:12:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:12:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:12:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:12:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:12:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:12:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:12:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:12:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:12:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:12:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:12:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:12:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:12:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:12:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:12:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:12:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:12:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:12:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:12:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:06,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:12:06,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:12:06,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756277979] [2024-10-24 07:12:06,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756277979] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:12:06,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:12:06,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 07:12:06,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779469598] [2024-10-24 07:12:06,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:12:06,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 07:12:06,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:12:06,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 07:12:06,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-10-24 07:12:06,079 INFO L87 Difference]: Start difference. First operand 282 states and 443 transitions. Second operand has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:12:12,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:12:12,201 INFO L93 Difference]: Finished difference Result 427 states and 662 transitions. [2024-10-24 07:12:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 07:12:12,202 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 193 [2024-10-24 07:12:12,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:12:12,204 INFO L225 Difference]: With dead ends: 427 [2024-10-24 07:12:12,205 INFO L226 Difference]: Without dead ends: 425 [2024-10-24 07:12:12,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=237, Invalid=693, Unknown=0, NotChecked=0, Total=930 [2024-10-24 07:12:12,206 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 700 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-24 07:12:12,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 1517 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-24 07:12:12,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-10-24 07:12:12,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 282. [2024-10-24 07:12:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 185 states have (on average 1.3891891891891892) internal successors, (257), 185 states have internal predecessors, (257), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:12:12,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 443 transitions. [2024-10-24 07:12:12,232 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 443 transitions. Word has length 193 [2024-10-24 07:12:12,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:12:12,232 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 443 transitions. [2024-10-24 07:12:12,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:12:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 443 transitions. [2024-10-24 07:12:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-24 07:12:12,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:12:12,235 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:12:12,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 07:12:12,235 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:12:12,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:12:12,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1827897448, now seen corresponding path program 1 times [2024-10-24 07:12:12,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:12:12,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345777207] [2024-10-24 07:12:12,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:12:12,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:12:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:12:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:12:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:12:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:12:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:12:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:12:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:12:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:12:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:12:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:12:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:12:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:12:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:12:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:12:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:12:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:12:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:12:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:12:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:12:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:12:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:12:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:12:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:12:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:12:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:12:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:12:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:12:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:12:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:12:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:12:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:12:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:12:16,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:12:16,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345777207] [2024-10-24 07:12:16,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345777207] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:12:16,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:12:16,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-24 07:12:16,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291549006] [2024-10-24 07:12:16,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:12:16,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 07:12:16,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:12:16,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 07:12:16,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-24 07:12:16,254 INFO L87 Difference]: Start difference. First operand 282 states and 443 transitions. Second operand has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:12:18,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:12:18,203 INFO L93 Difference]: Finished difference Result 496 states and 768 transitions. [2024-10-24 07:12:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 07:12:18,205 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-24 07:12:18,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:12:18,232 INFO L225 Difference]: With dead ends: 496 [2024-10-24 07:12:18,232 INFO L226 Difference]: Without dead ends: 494 [2024-10-24 07:12:18,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=243, Invalid=569, Unknown=0, NotChecked=0, Total=812 [2024-10-24 07:12:18,235 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 663 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 07:12:18,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 1234 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 07:12:18,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-10-24 07:12:18,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 316. [2024-10-24 07:12:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 219 states have (on average 1.4200913242009132) internal successors, (311), 219 states have internal predecessors, (311), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:12:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 497 transitions. [2024-10-24 07:12:18,265 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 497 transitions. Word has length 193 [2024-10-24 07:12:18,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:12:18,265 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 497 transitions. [2024-10-24 07:12:18,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:12:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 497 transitions. [2024-10-24 07:12:18,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-24 07:12:18,268 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:12:18,268 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:12:18,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 07:12:18,269 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:12:18,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:12:18,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1187206170, now seen corresponding path program 1 times [2024-10-24 07:12:18,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:12:18,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221984474] [2024-10-24 07:12:18,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:12:18,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:12:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:12:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:12:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:12:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:12:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:12:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:12:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:12:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:12:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:12:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:12:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:12:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:12:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:12:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:12:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:12:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:12:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:12:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:12:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:12:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:12:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:12:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:12:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:12:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:12:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:12:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:12:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:12:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:12:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:12:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:12:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:12:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:12:23,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:12:23,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221984474] [2024-10-24 07:12:23,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221984474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:12:23,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:12:23,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 07:12:23,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620391784] [2024-10-24 07:12:23,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:12:23,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 07:12:23,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:12:23,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 07:12:23,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2024-10-24 07:12:23,258 INFO L87 Difference]: Start difference. First operand 316 states and 497 transitions. Second operand has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:12:25,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:12:25,498 INFO L93 Difference]: Finished difference Result 490 states and 762 transitions. [2024-10-24 07:12:25,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 07:12:25,499 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-24 07:12:25,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:12:25,505 INFO L225 Difference]: With dead ends: 490 [2024-10-24 07:12:25,506 INFO L226 Difference]: Without dead ends: 488 [2024-10-24 07:12:25,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=261, Invalid=609, Unknown=0, NotChecked=0, Total=870 [2024-10-24 07:12:25,508 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 710 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 07:12:25,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 1105 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 07:12:25,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-10-24 07:12:25,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 316. [2024-10-24 07:12:25,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 219 states have (on average 1.4200913242009132) internal successors, (311), 219 states have internal predecessors, (311), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:12:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 497 transitions. [2024-10-24 07:12:25,536 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 497 transitions. Word has length 193 [2024-10-24 07:12:25,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:12:25,538 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 497 transitions. [2024-10-24 07:12:25,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:12:25,538 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 497 transitions. [2024-10-24 07:12:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-24 07:12:25,539 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:12:25,540 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:12:25,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 07:12:25,540 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:12:25,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:12:25,541 INFO L85 PathProgramCache]: Analyzing trace with hash -473459133, now seen corresponding path program 1 times [2024-10-24 07:12:25,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:12:25,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566628656] [2024-10-24 07:12:25,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:12:25,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:12:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:12:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:12:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:12:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:12:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:12:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:12:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:12:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:12:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:12:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:12:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:12:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:12:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:12:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:12:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:12:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:12:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:12:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:12:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:12:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:12:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:12:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:12:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:12:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:12:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:12:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:12:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:12:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:12:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:12:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:12:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:12:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:12:31,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:12:31,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566628656] [2024-10-24 07:12:31,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566628656] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:12:31,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:12:31,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 07:12:31,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823772051] [2024-10-24 07:12:31,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:12:31,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 07:12:31,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:12:31,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 07:12:31,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-10-24 07:12:31,449 INFO L87 Difference]: Start difference. First operand 316 states and 497 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:12:35,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:12:35,508 INFO L93 Difference]: Finished difference Result 483 states and 753 transitions. [2024-10-24 07:12:35,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 07:12:35,509 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194 [2024-10-24 07:12:35,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:12:35,512 INFO L225 Difference]: With dead ends: 483 [2024-10-24 07:12:35,512 INFO L226 Difference]: Without dead ends: 481 [2024-10-24 07:12:35,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=285, Invalid=905, Unknown=0, NotChecked=0, Total=1190 [2024-10-24 07:12:35,514 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 819 mSDsluCounter, 1705 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 07:12:35,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1966 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 07:12:35,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-10-24 07:12:35,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 313. [2024-10-24 07:12:35,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 216 states have (on average 1.4212962962962963) internal successors, (307), 216 states have internal predecessors, (307), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:12:35,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 493 transitions. [2024-10-24 07:12:35,535 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 493 transitions. Word has length 194 [2024-10-24 07:12:35,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:12:35,536 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 493 transitions. [2024-10-24 07:12:35,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 07:12:35,536 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 493 transitions. [2024-10-24 07:12:35,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-24 07:12:35,537 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:12:35,537 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:12:35,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 07:12:35,538 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:12:35,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:12:35,538 INFO L85 PathProgramCache]: Analyzing trace with hash 171976584, now seen corresponding path program 1 times [2024-10-24 07:12:35,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:12:35,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81958897] [2024-10-24 07:12:35,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:12:35,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:12:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 07:12:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 07:12:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 07:12:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 07:12:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 07:12:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 07:12:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 07:12:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 07:12:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 07:12:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 07:12:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 07:12:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 07:12:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 07:12:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 07:12:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 07:12:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 07:12:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 07:12:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 07:12:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 07:12:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 07:12:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 07:12:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 07:12:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 07:12:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 07:12:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 07:12:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 07:12:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 07:12:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 07:12:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-24 07:12:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 07:12:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-24 07:12:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 07:12:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 07:12:40,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 07:12:40,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81958897] [2024-10-24 07:12:40,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81958897] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 07:12:40,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 07:12:40,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-24 07:12:40,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771723880] [2024-10-24 07:12:40,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 07:12:40,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 07:12:40,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 07:12:40,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 07:12:40,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2024-10-24 07:12:40,335 INFO L87 Difference]: Start difference. First operand 313 states and 493 transitions. Second operand has 17 states, 16 states have (on average 2.625) internal successors, (42), 17 states have internal predecessors, (42), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:12:44,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 07:12:44,155 INFO L93 Difference]: Finished difference Result 491 states and 763 transitions. [2024-10-24 07:12:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 07:12:44,156 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.625) internal successors, (42), 17 states have internal predecessors, (42), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 194 [2024-10-24 07:12:44,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 07:12:44,159 INFO L225 Difference]: With dead ends: 491 [2024-10-24 07:12:44,159 INFO L226 Difference]: Without dead ends: 489 [2024-10-24 07:12:44,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=315, Invalid=807, Unknown=0, NotChecked=0, Total=1122 [2024-10-24 07:12:44,161 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 783 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 07:12:44,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1656 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 07:12:44,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-10-24 07:12:44,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 318. [2024-10-24 07:12:44,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 221 states have (on average 1.420814479638009) internal successors, (314), 221 states have internal predecessors, (314), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-24 07:12:44,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 500 transitions. [2024-10-24 07:12:44,186 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 500 transitions. Word has length 194 [2024-10-24 07:12:44,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 07:12:44,187 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 500 transitions. [2024-10-24 07:12:44,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.625) internal successors, (42), 17 states have internal predecessors, (42), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 07:12:44,187 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 500 transitions. [2024-10-24 07:12:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-24 07:12:44,188 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 07:12:44,189 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 07:12:44,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 07:12:44,189 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 07:12:44,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 07:12:44,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1203990622, now seen corresponding path program 1 times [2024-10-24 07:12:44,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 07:12:44,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207743077] [2024-10-24 07:12:44,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 07:12:44,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 07:12:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat