./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-pr-ci_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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-pr-ci_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b28ed2134b8a500a12d5d4bc892752e1e825197b4bf6ff6b142642da12ed1a0e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:14:25,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:14:25,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:14:25,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:14:25,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:14:25,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:14:25,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:14:25,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:14:25,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:14:25,933 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:14:25,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:14:25,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:14:25,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:14:25,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:14:25,938 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:14:25,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:14:25,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:14:25,938 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:14:25,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:14:25,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:14:25,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:14:25,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:14:25,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:14:25,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:14:25,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:14:25,940 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:14:25,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:14:25,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:14:25,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:14:25,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:14:25,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:14:25,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:14:25,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:14:25,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:14:25,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:14:25,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:14:25,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:14:25,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:14:25,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:14:25,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:14:25,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:14:25,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:14:25,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b28ed2134b8a500a12d5d4bc892752e1e825197b4bf6ff6b142642da12ed1a0e [2024-10-13 02:14:26,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:14:26,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:14:26,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:14:26,203 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:14:26,204 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:14:26,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i [2024-10-13 02:14:27,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:14:28,002 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:14:28,007 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i [2024-10-13 02:14:28,021 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429d6cacd/cb4abef07bd34efba14fe26f934ae24b/FLAG5699f6991 [2024-10-13 02:14:28,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429d6cacd/cb4abef07bd34efba14fe26f934ae24b [2024-10-13 02:14:28,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:14:28,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:14:28,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:14:28,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:14:28,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:14:28,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b1a0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28, skipping insertion in model container [2024-10-13 02:14:28,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:14:28,217 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-pr-ci_file-81.i[919,932] [2024-10-13 02:14:28,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:14:28,337 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:14:28,348 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-pr-ci_file-81.i[919,932] [2024-10-13 02:14:28,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:14:28,412 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:14:28,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28 WrapperNode [2024-10-13 02:14:28,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:14:28,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:14:28,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:14:28,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:14:28,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,484 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2024-10-13 02:14:28,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:14:28,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:14:28,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:14:28,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:14:28,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,505 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,526 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]. [2024-10-13 02:14:28,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:14:28,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:14:28,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:14:28,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:14:28,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (1/1) ... [2024-10-13 02:14:28,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:14:28,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:14:28,585 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) [2024-10-13 02:14:28,592 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 [2024-10-13 02:14:28,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:14:28,639 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:14:28,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:14:28,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:14:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:14:28,728 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:14:28,734 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:14:29,139 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-13 02:14:29,139 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:14:29,175 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:14:29,175 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:14:29,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:14:29 BoogieIcfgContainer [2024-10-13 02:14:29,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:14:29,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:14:29,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:14:29,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:14:29,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:14:28" (1/3) ... [2024-10-13 02:14:29,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41115e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:14:29, skipping insertion in model container [2024-10-13 02:14:29,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:14:28" (2/3) ... [2024-10-13 02:14:29,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41115e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:14:29, skipping insertion in model container [2024-10-13 02:14:29,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:14:29" (3/3) ... [2024-10-13 02:14:29,185 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i [2024-10-13 02:14:29,200 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:14:29,200 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:14:29,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:14:29,263 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;@64918ea7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:14:29,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:14:29,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 67 states have internal predecessors, (100), 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) [2024-10-13 02:14:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 02:14:29,279 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:14:29,305 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, 1, 1, 1, 1] [2024-10-13 02:14:29,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:14:29,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:14:29,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1358910918, now seen corresponding path program 1 times [2024-10-13 02:14:29,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:14:29,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365003213] [2024-10-13 02:14:29,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:14:29,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:14:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:14:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:14:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:14:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:14:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:14:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:14:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:14:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:14:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:14:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:14:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:14:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:14:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:14:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:14:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:14:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:14:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:14:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:14:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:14:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:14:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:14:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:14:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:14:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:14:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:14:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:14:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:14:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:14:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:14:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:14:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:14:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 02:14:29,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:14:29,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365003213] [2024-10-13 02:14:29,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365003213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:14:29,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:14:29,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 02:14:29,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148571573] [2024-10-13 02:14:29,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:14:29,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 02:14:29,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:14:29,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 02:14:29,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:14:29,836 INFO L87 Difference]: Start difference. First operand has 100 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 67 states have internal predecessors, (100), 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 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2024-10-13 02:14:29,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:14:29,876 INFO L93 Difference]: Finished difference Result 196 states and 351 transitions. [2024-10-13 02:14:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 02:14:29,878 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 198 [2024-10-13 02:14:29,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:14:29,884 INFO L225 Difference]: With dead ends: 196 [2024-10-13 02:14:29,884 INFO L226 Difference]: Without dead ends: 97 [2024-10-13 02:14:29,887 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 [2024-10-13 02:14:29,889 INFO L432 NwaCegarLoop]: 151 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, 151 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 [2024-10-13 02:14:29,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:14:29,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-13 02:14:29,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-10-13 02:14:29,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 64 states have (on average 1.4375) internal successors, (92), 64 states have internal predecessors, (92), 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) [2024-10-13 02:14:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 154 transitions. [2024-10-13 02:14:29,933 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 154 transitions. Word has length 198 [2024-10-13 02:14:29,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:14:29,933 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 154 transitions. [2024-10-13 02:14:29,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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) [2024-10-13 02:14:29,934 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2024-10-13 02:14:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 02:14:29,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:14:29,938 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, 1, 1, 1, 1] [2024-10-13 02:14:29,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:14:29,938 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:14:29,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:14:29,939 INFO L85 PathProgramCache]: Analyzing trace with hash 611270544, now seen corresponding path program 1 times [2024-10-13 02:14:29,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:14:29,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114480053] [2024-10-13 02:14:29,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:14:29,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:14:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:14:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:14:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:14:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:14:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:14:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:14:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:14:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:14:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:14:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:14:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:14:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:14:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:14:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:14:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:14:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:14:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:14:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:14:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:14:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:14:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:14:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:14:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:14:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:14:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:14:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:14:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:14:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:14:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:14:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:14:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:14:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:31,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 02:14:31,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:14:31,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114480053] [2024-10-13 02:14:31,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114480053] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:14:31,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:14:31,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 02:14:31,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163162747] [2024-10-13 02:14:31,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:14:31,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 02:14:31,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:14:31,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 02:14:31,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-13 02:14:31,570 INFO L87 Difference]: Start difference. First operand 97 states and 154 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 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) [2024-10-13 02:14:32,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:14:32,536 INFO L93 Difference]: Finished difference Result 422 states and 669 transitions. [2024-10-13 02:14:32,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 02:14:32,537 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 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 198 [2024-10-13 02:14:32,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:14:32,540 INFO L225 Difference]: With dead ends: 422 [2024-10-13 02:14:32,540 INFO L226 Difference]: Without dead ends: 326 [2024-10-13 02:14:32,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2024-10-13 02:14:32,542 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 692 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:14:32,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 935 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:14:32,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-10-13 02:14:32,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 115. [2024-10-13 02:14:32,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 82 states have (on average 1.5) internal successors, (123), 82 states have internal predecessors, (123), 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) [2024-10-13 02:14:32,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 185 transitions. [2024-10-13 02:14:32,558 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 185 transitions. Word has length 198 [2024-10-13 02:14:32,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:14:32,563 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 185 transitions. [2024-10-13 02:14:32,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 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) [2024-10-13 02:14:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 185 transitions. [2024-10-13 02:14:32,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 02:14:32,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:14:32,566 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, 1, 1, 1, 1] [2024-10-13 02:14:32,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 02:14:32,567 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:14:32,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:14:32,567 INFO L85 PathProgramCache]: Analyzing trace with hash -198076082, now seen corresponding path program 1 times [2024-10-13 02:14:32,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:14:32,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263304141] [2024-10-13 02:14:32,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:14:32,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:14:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:14:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:14:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:14:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:14:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:14:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:14:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:14:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:14:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:14:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:14:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:14:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:14:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:44,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:14:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:14:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:14:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:14:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:14:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:14:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:14:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:14:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:14:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:14:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:14:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:14:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:14:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:14:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:14:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:14:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:14:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:14:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:14:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:45,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 02:14:45,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:14:45,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263304141] [2024-10-13 02:14:45,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263304141] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:14:45,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:14:45,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 02:14:45,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639551616] [2024-10-13 02:14:45,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:14:45,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 02:14:45,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:14:45,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 02:14:45,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 02:14:45,084 INFO L87 Difference]: Start difference. First operand 115 states and 185 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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) [2024-10-13 02:14:48,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:14:48,967 INFO L93 Difference]: Finished difference Result 431 states and 669 transitions. [2024-10-13 02:14:48,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 02:14:48,968 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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 198 [2024-10-13 02:14:48,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:14:48,971 INFO L225 Difference]: With dead ends: 431 [2024-10-13 02:14:48,971 INFO L226 Difference]: Without dead ends: 317 [2024-10-13 02:14:48,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=143, Invalid=277, Unknown=0, NotChecked=0, Total=420 [2024-10-13 02:14:48,973 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 650 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:14:48,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 751 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 02:14:48,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-10-13 02:14:48,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 139. [2024-10-13 02:14:48,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 106 states have (on average 1.5188679245283019) internal successors, (161), 106 states have internal predecessors, (161), 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) [2024-10-13 02:14:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 223 transitions. [2024-10-13 02:14:48,990 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 223 transitions. Word has length 198 [2024-10-13 02:14:48,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:14:48,991 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 223 transitions. [2024-10-13 02:14:48,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 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) [2024-10-13 02:14:48,991 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 223 transitions. [2024-10-13 02:14:48,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 02:14:48,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:14:48,993 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, 1, 1, 1, 1] [2024-10-13 02:14:48,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 02:14:48,994 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:14:48,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:14:48,994 INFO L85 PathProgramCache]: Analyzing trace with hash -784882096, now seen corresponding path program 1 times [2024-10-13 02:14:48,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:14:48,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012141013] [2024-10-13 02:14:48,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:14:48,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:14:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:14:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:14:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:14:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:14:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:14:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:14:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:14:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:14:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:14:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:14:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:14:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:14:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:14:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:14:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:14:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:14:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:14:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:14:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:14:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:14:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:14:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:14:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:14:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:14:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:14:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:14:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:14:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:14:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:14:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:14:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:14:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:14:49,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 02:14:49,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:14:49,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012141013] [2024-10-13 02:14:49,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012141013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:14:49,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:14:49,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 02:14:49,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627740580] [2024-10-13 02:14:49,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:14:49,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 02:14:49,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:14:49,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 02:14:49,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:14:49,252 INFO L87 Difference]: Start difference. First operand 139 states and 223 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-10-13 02:14:49,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:14:49,332 INFO L93 Difference]: Finished difference Result 336 states and 537 transitions. [2024-10-13 02:14:49,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 02:14:49,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 198 [2024-10-13 02:14:49,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:14:49,335 INFO L225 Difference]: With dead ends: 336 [2024-10-13 02:14:49,336 INFO L226 Difference]: Without dead ends: 198 [2024-10-13 02:14:49,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 02:14:49,340 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 65 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 02:14:49,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 432 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 02:14:49,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-10-13 02:14:49,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 195. [2024-10-13 02:14:49,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 157 states have (on average 1.4968152866242037) internal successors, (235), 158 states have internal predecessors, (235), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 02:14:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 305 transitions. [2024-10-13 02:14:49,368 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 305 transitions. Word has length 198 [2024-10-13 02:14:49,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:14:49,369 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 305 transitions. [2024-10-13 02:14:49,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-10-13 02:14:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 305 transitions. [2024-10-13 02:14:49,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 02:14:49,372 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:14:49,373 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, 1, 1, 1, 1] [2024-10-13 02:14:49,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 02:14:49,373 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:14:49,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:14:49,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1219144436, now seen corresponding path program 1 times [2024-10-13 02:14:49,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:14:49,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212805183] [2024-10-13 02:14:49,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:14:49,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:14:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:15:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:15:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:15:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:15:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:15:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:15:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:15:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:15:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:15:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:15:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:15:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:15:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:15:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:15:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:15:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:15:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:15:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:15:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:15:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:15:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:15:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:15:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:15:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:15:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:15:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:15:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:15:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:15:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:15:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:15:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:15:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 02:15:01,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:15:01,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212805183] [2024-10-13 02:15:01,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212805183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:15:01,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:15:01,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 02:15:01,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797580876] [2024-10-13 02:15:01,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:15:01,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 02:15:01,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:15:01,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 02:15:01,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-13 02:15:01,306 INFO L87 Difference]: Start difference. First operand 195 states and 305 transitions. Second operand has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 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) [2024-10-13 02:15:05,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:15:05,226 INFO L93 Difference]: Finished difference Result 514 states and 787 transitions. [2024-10-13 02:15:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 02:15:05,228 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 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 198 [2024-10-13 02:15:05,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:15:05,232 INFO L225 Difference]: With dead ends: 514 [2024-10-13 02:15:05,232 INFO L226 Difference]: Without dead ends: 320 [2024-10-13 02:15:05,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2024-10-13 02:15:05,238 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 548 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:15:05,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 624 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 02:15:05,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-10-13 02:15:05,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 210. [2024-10-13 02:15:05,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 172 states have (on average 1.4883720930232558) internal successors, (256), 173 states have internal predecessors, (256), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 02:15:05,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 326 transitions. [2024-10-13 02:15:05,267 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 326 transitions. Word has length 198 [2024-10-13 02:15:05,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:15:05,269 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 326 transitions. [2024-10-13 02:15:05,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 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) [2024-10-13 02:15:05,270 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 326 transitions. [2024-10-13 02:15:05,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 02:15:05,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:15:05,272 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, 1, 1, 1, 1] [2024-10-13 02:15:05,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 02:15:05,272 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:15:05,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:15:05,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1786423984, now seen corresponding path program 1 times [2024-10-13 02:15:05,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:15:05,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724023397] [2024-10-13 02:15:05,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:15:05,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:15:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:15:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:15:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:15:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:15:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:15:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:15:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:15:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:15:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:15:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:15:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:15:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:15:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:15:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:15:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:15:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:15:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:15:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:15:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:15:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:15:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:15:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:15:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:15:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:07,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:15:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:08,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:15:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:08,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:15:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:08,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:15:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:08,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:15:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:08,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:15:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:08,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:15:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:08,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:15:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:08,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 02:15:08,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:15:08,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724023397] [2024-10-13 02:15:08,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724023397] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:15:08,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:15:08,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-13 02:15:08,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816129261] [2024-10-13 02:15:08,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:15:08,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 02:15:08,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:15:08,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 02:15:08,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-10-13 02:15:08,156 INFO L87 Difference]: Start difference. First operand 210 states and 326 transitions. Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 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) [2024-10-13 02:15:12,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:15:12,321 INFO L93 Difference]: Finished difference Result 1058 states and 1623 transitions. [2024-10-13 02:15:12,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 02:15:12,322 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 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 198 [2024-10-13 02:15:12,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:15:12,326 INFO L225 Difference]: With dead ends: 1058 [2024-10-13 02:15:12,327 INFO L226 Difference]: Without dead ends: 849 [2024-10-13 02:15:12,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=186, Invalid=570, Unknown=0, NotChecked=0, Total=756 [2024-10-13 02:15:12,328 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 1788 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-13 02:15:12,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1788 Valid, 1102 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-13 02:15:12,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-10-13 02:15:12,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 298. [2024-10-13 02:15:12,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 226 states have (on average 1.4424778761061947) internal successors, (326), 227 states have internal predecessors, (326), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:15:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 458 transitions. [2024-10-13 02:15:12,354 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 458 transitions. Word has length 198 [2024-10-13 02:15:12,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:15:12,354 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 458 transitions. [2024-10-13 02:15:12,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 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) [2024-10-13 02:15:12,355 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 458 transitions. [2024-10-13 02:15:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 02:15:12,356 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:15:12,356 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, 1, 1, 1, 1] [2024-10-13 02:15:12,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 02:15:12,357 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:15:12,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:15:12,357 INFO L85 PathProgramCache]: Analyzing trace with hash -97480242, now seen corresponding path program 1 times [2024-10-13 02:15:12,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:15:12,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125949696] [2024-10-13 02:15:12,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:15:12,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:15:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:15:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:15:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:15:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:15:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:15:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:15:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:15:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:15:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:15:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:15:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:15:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:15:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:15:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:15:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:15:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:15:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:15:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:15:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:15:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:15:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:15:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:15:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:15:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:15:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:15:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:15:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:15:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:15:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:15:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:15:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:15:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 02:15:13,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:15:13,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125949696] [2024-10-13 02:15:13,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125949696] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:15:13,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:15:13,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 02:15:13,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309627636] [2024-10-13 02:15:13,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:15:13,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 02:15:13,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:15:13,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 02:15:13,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-13 02:15:13,179 INFO L87 Difference]: Start difference. First operand 298 states and 458 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2024-10-13 02:15:13,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:15:13,888 INFO L93 Difference]: Finished difference Result 826 states and 1278 transitions. [2024-10-13 02:15:13,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 02:15:13,889 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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 198 [2024-10-13 02:15:13,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:15:13,891 INFO L225 Difference]: With dead ends: 826 [2024-10-13 02:15:13,892 INFO L226 Difference]: Without dead ends: 617 [2024-10-13 02:15:13,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-10-13 02:15:13,893 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 403 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 02:15:13,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 708 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 02:15:13,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-10-13 02:15:13,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 324. [2024-10-13 02:15:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 252 states have (on average 1.4801587301587302) internal successors, (373), 253 states have internal predecessors, (373), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:15:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 505 transitions. [2024-10-13 02:15:13,918 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 505 transitions. Word has length 198 [2024-10-13 02:15:13,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:15:13,919 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 505 transitions. [2024-10-13 02:15:13,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2024-10-13 02:15:13,919 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 505 transitions. [2024-10-13 02:15:13,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-13 02:15:13,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:15:13,921 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, 1, 1, 1, 1] [2024-10-13 02:15:13,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 02:15:13,921 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:15:13,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:15:13,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1690894862, now seen corresponding path program 1 times [2024-10-13 02:15:13,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:15:13,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169780023] [2024-10-13 02:15:13,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:15:13,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:15:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:15:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:15:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:15:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:15:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:15:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:15:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:15:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:15:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:15:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:15:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:15:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:15:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:15:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:15:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:15:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:15:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:15:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:15:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:15:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:15:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:15:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:15:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:15:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:15:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:15:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:15:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:15:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:15:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:15:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:15:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:15:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 02:15:14,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:15:14,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169780023] [2024-10-13 02:15:14,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169780023] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:15:14,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:15:14,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 02:15:14,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452964613] [2024-10-13 02:15:14,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:15:14,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 02:15:14,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:15:14,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 02:15:14,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-13 02:15:14,914 INFO L87 Difference]: Start difference. First operand 324 states and 505 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2024-10-13 02:15:15,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:15:15,837 INFO L93 Difference]: Finished difference Result 724 states and 1125 transitions. [2024-10-13 02:15:15,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 02:15:15,837 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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 198 [2024-10-13 02:15:15,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:15:15,842 INFO L225 Difference]: With dead ends: 724 [2024-10-13 02:15:15,844 INFO L226 Difference]: Without dead ends: 515 [2024-10-13 02:15:15,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-13 02:15:15,850 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 283 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:15:15,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 809 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 02:15:15,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-10-13 02:15:15,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 321. [2024-10-13 02:15:15,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 249 states have (on average 1.4738955823293172) internal successors, (367), 250 states have internal predecessors, (367), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:15:15,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 499 transitions. [2024-10-13 02:15:15,908 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 499 transitions. Word has length 198 [2024-10-13 02:15:15,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:15:15,908 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 499 transitions. [2024-10-13 02:15:15,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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) [2024-10-13 02:15:15,909 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 499 transitions. [2024-10-13 02:15:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 02:15:15,911 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:15:15,911 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, 1, 1, 1, 1, 1] [2024-10-13 02:15:15,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 02:15:15,911 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:15:15,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:15:15,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1773065698, now seen corresponding path program 1 times [2024-10-13 02:15:15,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:15:15,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066377740] [2024-10-13 02:15:15,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:15:15,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:15:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:15:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:15:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:15:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:15:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:15:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:15:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:15:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:15:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:15:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:15:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:15:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:15:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:15:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:15:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:15:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:15:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:15:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:15:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:15:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:15:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:15:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:15:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:15:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:15:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:15:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:15:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:15:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:15:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:15:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:15:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:15:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:25,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 02:15:25,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:15:25,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066377740] [2024-10-13 02:15:25,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066377740] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:15:25,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:15:25,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 02:15:25,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998114203] [2024-10-13 02:15:25,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:15:25,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 02:15:25,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:15:25,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 02:15:25,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-13 02:15:25,126 INFO L87 Difference]: Start difference. First operand 321 states and 499 transitions. Second operand has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 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) [2024-10-13 02:15:28,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:15:28,266 INFO L93 Difference]: Finished difference Result 793 states and 1211 transitions. [2024-10-13 02:15:28,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 02:15:28,267 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 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 199 [2024-10-13 02:15:28,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:15:28,269 INFO L225 Difference]: With dead ends: 793 [2024-10-13 02:15:28,269 INFO L226 Difference]: Without dead ends: 584 [2024-10-13 02:15:28,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2024-10-13 02:15:28,274 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 815 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 02:15:28,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 716 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 02:15:28,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-10-13 02:15:28,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 342. [2024-10-13 02:15:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 270 states have (on average 1.4851851851851852) internal successors, (401), 271 states have internal predecessors, (401), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:15:28,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 533 transitions. [2024-10-13 02:15:28,329 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 533 transitions. Word has length 199 [2024-10-13 02:15:28,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:15:28,330 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 533 transitions. [2024-10-13 02:15:28,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 12 states have internal predecessors, (47), 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) [2024-10-13 02:15:28,330 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 533 transitions. [2024-10-13 02:15:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 02:15:28,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:15:28,335 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, 1, 1, 1, 1, 1] [2024-10-13 02:15:28,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 02:15:28,335 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:15:28,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:15:28,335 INFO L85 PathProgramCache]: Analyzing trace with hash 184717796, now seen corresponding path program 1 times [2024-10-13 02:15:28,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:15:28,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590123279] [2024-10-13 02:15:28,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:15:28,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:15:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:15:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:15:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:15:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:15:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:15:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:15:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:15:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:15:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:15:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:15:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:15:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:15:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:15:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:15:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:15:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:15:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:15:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:15:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:15:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:15:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:15:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:15:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:15:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:15:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:15:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:15:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:15:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:15:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:15:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:15:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:15:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 02:15:41,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:15:41,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590123279] [2024-10-13 02:15:41,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590123279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:15:41,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:15:41,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 02:15:41,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483225132] [2024-10-13 02:15:41,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:15:41,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 02:15:41,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:15:41,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 02:15:41,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-10-13 02:15:41,819 INFO L87 Difference]: Start difference. First operand 342 states and 533 transitions. Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 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) [2024-10-13 02:15:46,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:15:46,209 INFO L93 Difference]: Finished difference Result 776 states and 1188 transitions. [2024-10-13 02:15:46,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 02:15:46,210 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 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 199 [2024-10-13 02:15:46,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:15:46,217 INFO L225 Difference]: With dead ends: 776 [2024-10-13 02:15:46,217 INFO L226 Difference]: Without dead ends: 567 [2024-10-13 02:15:46,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-10-13 02:15:46,218 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 713 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-13 02:15:46,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 760 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-13 02:15:46,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-10-13 02:15:46,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 349. [2024-10-13 02:15:46,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 277 states have (on average 1.483754512635379) internal successors, (411), 278 states have internal predecessors, (411), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:15:46,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 543 transitions. [2024-10-13 02:15:46,274 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 543 transitions. Word has length 199 [2024-10-13 02:15:46,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:15:46,275 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 543 transitions. [2024-10-13 02:15:46,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 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) [2024-10-13 02:15:46,276 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 543 transitions. [2024-10-13 02:15:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 02:15:46,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:15:46,278 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, 1, 1, 1, 1, 1] [2024-10-13 02:15:46,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 02:15:46,279 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:15:46,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:15:46,279 INFO L85 PathProgramCache]: Analyzing trace with hash -221079008, now seen corresponding path program 1 times [2024-10-13 02:15:46,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:15:46,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128831176] [2024-10-13 02:15:46,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:15:46,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:15:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:15:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:15:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:15:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:15:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:15:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:15:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:15:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:15:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:15:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:15:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:15:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:15:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:15:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:15:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:15:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:15:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:15:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:15:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:15:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:15:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:15:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:15:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:15:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:15:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:15:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:15:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:15:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:15:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:15:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 02:15:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 02:15:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:15:46,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 02:15:46,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:15:46,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128831176] [2024-10-13 02:15:46,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128831176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:15:46,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:15:46,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 02:15:46,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324614239] [2024-10-13 02:15:46,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:15:46,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 02:15:46,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:15:46,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 02:15:46,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:15:46,780 INFO L87 Difference]: Start difference. First operand 349 states and 543 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-10-13 02:15:47,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:15:47,126 INFO L93 Difference]: Finished difference Result 668 states and 1033 transitions. [2024-10-13 02:15:47,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 02:15:47,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 199 [2024-10-13 02:15:47,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:15:47,129 INFO L225 Difference]: With dead ends: 668 [2024-10-13 02:15:47,129 INFO L226 Difference]: Without dead ends: 447 [2024-10-13 02:15:47,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 02:15:47,131 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 170 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:15:47,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 569 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:15:47,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-10-13 02:15:47,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 337. [2024-10-13 02:15:47,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 265 states have (on average 1.460377358490566) internal successors, (387), 266 states have internal predecessors, (387), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 02:15:47,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 519 transitions. [2024-10-13 02:15:47,158 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 519 transitions. Word has length 199 [2024-10-13 02:15:47,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:15:47,159 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 519 transitions. [2024-10-13 02:15:47,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-10-13 02:15:47,159 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 519 transitions. [2024-10-13 02:15:47,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-13 02:15:47,160 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:15:47,160 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, 1, 1, 1, 1, 1] [2024-10-13 02:15:47,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 02:15:47,160 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:15:47,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:15:47,161 INFO L85 PathProgramCache]: Analyzing trace with hash -2099199772, now seen corresponding path program 1 times [2024-10-13 02:15:47,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:15:47,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968816189] [2024-10-13 02:15:47,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:15:47,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:15:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat