./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-66.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 f51329798d39553bfe6698070ebd1150c84493b84ecd2c17e90b69fb6b7c2e13 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 20:42:33,896 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 20:42:33,949 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 20:42:33,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 20:42:33,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 20:42:33,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 20:42:33,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 20:42:33,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 20:42:33,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 20:42:33,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 20:42:33,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 20:42:33,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 20:42:33,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 20:42:33,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 20:42:33,997 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 20:42:33,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 20:42:33,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 20:42:33,998 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 20:42:33,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 20:42:33,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 20:42:33,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 20:42:33,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 20:42:33,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 20:42:33,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 20:42:33,999 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 20:42:33,999 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 20:42:33,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 20:42:34,000 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 20:42:34,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 20:42:34,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 20:42:34,000 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 20:42:34,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 20:42:34,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:42:34,001 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 20:42:34,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 20:42:34,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 20:42:34,001 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 20:42:34,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 20:42:34,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 20:42:34,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 20:42:34,002 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 20:42:34,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 20:42:34,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51329798d39553bfe6698070ebd1150c84493b84ecd2c17e90b69fb6b7c2e13 [2024-11-08 20:42:34,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 20:42:34,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 20:42:34,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 20:42:34,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 20:42:34,228 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 20:42:34,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-66.i [2024-11-08 20:42:35,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 20:42:35,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 20:42:35,867 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-66.i [2024-11-08 20:42:35,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8f6f7ef/da2767272a2447ef829e0d36f2b4921d/FLAGe7db86190 [2024-11-08 20:42:35,886 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b8f6f7ef/da2767272a2447ef829e0d36f2b4921d [2024-11-08 20:42:35,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 20:42:35,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 20:42:35,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 20:42:35,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 20:42:35,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 20:42:35,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:42:35" (1/1) ... [2024-11-08 20:42:35,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab4314b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:35, skipping insertion in model container [2024-11-08 20:42:35,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:42:35" (1/1) ... [2024-11-08 20:42:35,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 20:42:36,070 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-66.i[915,928] [2024-11-08 20:42:36,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:42:36,142 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 20:42:36,152 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-66.i[915,928] [2024-11-08 20:42:36,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:42:36,192 INFO L204 MainTranslator]: Completed translation [2024-11-08 20:42:36,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36 WrapperNode [2024-11-08 20:42:36,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 20:42:36,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 20:42:36,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 20:42:36,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 20:42:36,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (1/1) ... [2024-11-08 20:42:36,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (1/1) ... [2024-11-08 20:42:36,243 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2024-11-08 20:42:36,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 20:42:36,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 20:42:36,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 20:42:36,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 20:42:36,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (1/1) ... [2024-11-08 20:42:36,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (1/1) ... [2024-11-08 20:42:36,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (1/1) ... [2024-11-08 20:42:36,270 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 20:42:36,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (1/1) ... [2024-11-08 20:42:36,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (1/1) ... [2024-11-08 20:42:36,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (1/1) ... [2024-11-08 20:42:36,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (1/1) ... [2024-11-08 20:42:36,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (1/1) ... [2024-11-08 20:42:36,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (1/1) ... [2024-11-08 20:42:36,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 20:42:36,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 20:42:36,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 20:42:36,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 20:42:36,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (1/1) ... [2024-11-08 20:42:36,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:42:36,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 20:42:36,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 20:42:36,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 20:42:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 20:42:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 20:42:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 20:42:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 20:42:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 20:42:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 20:42:36,522 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 20:42:36,529 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 20:42:36,834 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 20:42:36,834 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 20:42:36,852 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 20:42:36,854 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 20:42:36,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:42:36 BoogieIcfgContainer [2024-11-08 20:42:36,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 20:42:36,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 20:42:36,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 20:42:36,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 20:42:36,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 08:42:35" (1/3) ... [2024-11-08 20:42:36,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd94e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:42:36, skipping insertion in model container [2024-11-08 20:42:36,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:42:36" (2/3) ... [2024-11-08 20:42:36,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd94e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:42:36, skipping insertion in model container [2024-11-08 20:42:36,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:42:36" (3/3) ... [2024-11-08 20:42:36,862 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-66.i [2024-11-08 20:42:36,878 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 20:42:36,878 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 20:42:36,968 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 20:42:36,974 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;@4ce15149, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 20:42:36,975 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 20:42:36,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 55 states have (on average 1.4) internal successors, (77), 56 states have internal predecessors, (77), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 20:42:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-08 20:42:37,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:42:37,018 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:42:37,019 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:42:37,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:42:37,023 INFO L85 PathProgramCache]: Analyzing trace with hash -683655500, now seen corresponding path program 1 times [2024-11-08 20:42:37,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:42:37,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937948492] [2024-11-08 20:42:37,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:42:37,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:42:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:42:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:42:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:42:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:42:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:42:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:42:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:42:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:42:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:42:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:42:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:42:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:42:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:42:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:42:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:42:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:42:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:42:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:42:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:42:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:42:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:42:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:42:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:42:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:42:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:42:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:42:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:42:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:42:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:42:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:42:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:42:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:42:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:42:37,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:42:37,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937948492] [2024-11-08 20:42:37,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937948492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:42:37,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:42:37,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 20:42:37,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118261395] [2024-11-08 20:42:37,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:42:37,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 20:42:37,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:42:37,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 20:42:37,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:42:37,522 INFO L87 Difference]: Start difference. First operand has 90 states, 55 states have (on average 1.4) internal successors, (77), 56 states have internal predecessors, (77), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 20:42:37,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:42:37,547 INFO L93 Difference]: Finished difference Result 173 states and 308 transitions. [2024-11-08 20:42:37,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 20:42:37,549 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 203 [2024-11-08 20:42:37,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:42:37,555 INFO L225 Difference]: With dead ends: 173 [2024-11-08 20:42:37,556 INFO L226 Difference]: Without dead ends: 86 [2024-11-08 20:42:37,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:42:37,561 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:42:37,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:42:37,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-08 20:42:37,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-08 20:42:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 20:42:37,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 134 transitions. [2024-11-08 20:42:37,600 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 134 transitions. Word has length 203 [2024-11-08 20:42:37,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:42:37,600 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 134 transitions. [2024-11-08 20:42:37,600 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 20:42:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 134 transitions. [2024-11-08 20:42:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-08 20:42:37,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:42:37,604 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:42:37,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 20:42:37,604 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:42:37,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:42:37,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1091206836, now seen corresponding path program 1 times [2024-11-08 20:42:37,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:42:37,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658528480] [2024-11-08 20:42:37,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:42:37,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:42:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:42:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:42:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:42:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:42:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:42:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:42:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:42:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:42:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:42:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:42:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:42:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:42:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:42:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:42:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:42:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:42:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:42:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:42:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:42:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:42:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:42:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:42:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:42:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:42:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:42:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:42:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:42:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:42:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:42:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:42:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:42:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:42:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:42:42,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:42:42,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658528480] [2024-11-08 20:42:42,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658528480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:42:42,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:42:42,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 20:42:42,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576117766] [2024-11-08 20:42:42,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:42:42,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 20:42:42,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:42:42,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 20:42:42,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-08 20:42:42,334 INFO L87 Difference]: Start difference. First operand 86 states and 134 transitions. Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:42:43,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:42:43,377 INFO L93 Difference]: Finished difference Result 290 states and 429 transitions. [2024-11-08 20:42:43,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 20:42:43,380 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-08 20:42:43,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:42:43,384 INFO L225 Difference]: With dead ends: 290 [2024-11-08 20:42:43,385 INFO L226 Difference]: Without dead ends: 207 [2024-11-08 20:42:43,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-08 20:42:43,389 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 180 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 20:42:43,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 889 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 20:42:43,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-08 20:42:43,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 131. [2024-11-08 20:42:43,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 92 states have (on average 1.391304347826087) internal successors, (128), 93 states have internal predecessors, (128), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 20:42:43,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 200 transitions. [2024-11-08 20:42:43,425 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 200 transitions. Word has length 203 [2024-11-08 20:42:43,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:42:43,426 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 200 transitions. [2024-11-08 20:42:43,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:42:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 200 transitions. [2024-11-08 20:42:43,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-08 20:42:43,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:42:43,433 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:42:43,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 20:42:43,433 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:42:43,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:42:43,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1093053878, now seen corresponding path program 1 times [2024-11-08 20:42:43,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:42:43,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593079854] [2024-11-08 20:42:43,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:42:43,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:42:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:42:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:42:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:42:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:42:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:42:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:42:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:42:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:42:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:42:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:42:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:42:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:42:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:42:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:42:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:42:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:42:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:42:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:42:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:42:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:42:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:42:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:42:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:42:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:42:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:42:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:42:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:42:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:42:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:42:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:42:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:42:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:42:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:47,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:42:47,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:42:47,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593079854] [2024-11-08 20:42:47,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593079854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:42:47,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:42:47,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 20:42:47,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049637284] [2024-11-08 20:42:47,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:42:47,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 20:42:47,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:42:47,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 20:42:47,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-08 20:42:47,623 INFO L87 Difference]: Start difference. First operand 131 states and 200 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:42:49,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:42:49,058 INFO L93 Difference]: Finished difference Result 207 states and 290 transitions. [2024-11-08 20:42:49,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 20:42:49,059 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-08 20:42:49,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:42:49,061 INFO L225 Difference]: With dead ends: 207 [2024-11-08 20:42:49,061 INFO L226 Difference]: Without dead ends: 205 [2024-11-08 20:42:49,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-08 20:42:49,063 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 244 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 20:42:49,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 660 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 20:42:49,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-08 20:42:49,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 131. [2024-11-08 20:42:49,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 92 states have (on average 1.391304347826087) internal successors, (128), 93 states have internal predecessors, (128), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 20:42:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 200 transitions. [2024-11-08 20:42:49,093 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 200 transitions. Word has length 203 [2024-11-08 20:42:49,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:42:49,094 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 200 transitions. [2024-11-08 20:42:49,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:42:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 200 transitions. [2024-11-08 20:42:49,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-08 20:42:49,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:42:49,097 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:42:49,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 20:42:49,098 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:42:49,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:42:49,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1771265206, now seen corresponding path program 1 times [2024-11-08 20:42:49,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:42:49,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446098732] [2024-11-08 20:42:49,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:42:49,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:42:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:42:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:42:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:42:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:42:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:42:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:42:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:42:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:42:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:42:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:42:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:42:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:42:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:42:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:42:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:42:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:42:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:42:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:42:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:42:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:42:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:42:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:42:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:42:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:42:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:42:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:42:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:42:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:42:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:42:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:42:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:42:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:42:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:52,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:42:52,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:42:52,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446098732] [2024-11-08 20:42:52,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446098732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:42:52,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:42:52,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 20:42:52,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095595130] [2024-11-08 20:42:52,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:42:52,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 20:42:52,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:42:52,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 20:42:52,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-08 20:42:52,744 INFO L87 Difference]: Start difference. First operand 131 states and 200 transitions. Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:42:53,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:42:53,486 INFO L93 Difference]: Finished difference Result 214 states and 298 transitions. [2024-11-08 20:42:53,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 20:42:53,487 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-08 20:42:53,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:42:53,488 INFO L225 Difference]: With dead ends: 214 [2024-11-08 20:42:53,488 INFO L226 Difference]: Without dead ends: 212 [2024-11-08 20:42:53,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-08 20:42:53,490 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 260 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 20:42:53,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 739 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 20:42:53,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-08 20:42:53,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 135. [2024-11-08 20:42:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 97 states have internal predecessors, (134), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 20:42:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 206 transitions. [2024-11-08 20:42:53,501 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 206 transitions. Word has length 203 [2024-11-08 20:42:53,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:42:53,501 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 206 transitions. [2024-11-08 20:42:53,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:42:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 206 transitions. [2024-11-08 20:42:53,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-08 20:42:53,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:42:53,503 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:42:53,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 20:42:53,504 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:42:53,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:42:53,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1773112248, now seen corresponding path program 1 times [2024-11-08 20:42:53,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:42:53,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276945672] [2024-11-08 20:42:53,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:42:53,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:42:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:42:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:42:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:42:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:42:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:42:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:42:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:42:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:42:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:42:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:42:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:42:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:42:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:42:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:42:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:42:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:42:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:42:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:42:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:42:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:42:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:42:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:42:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:42:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:42:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:42:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:42:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:42:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:42:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:42:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:42:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:42:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:42:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:42:57,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:42:57,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276945672] [2024-11-08 20:42:57,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276945672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:42:57,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:42:57,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 20:42:57,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618783495] [2024-11-08 20:42:57,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:42:57,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 20:42:57,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:42:57,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 20:42:57,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-08 20:42:57,900 INFO L87 Difference]: Start difference. First operand 135 states and 206 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:42:59,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:42:59,020 INFO L93 Difference]: Finished difference Result 212 states and 296 transitions. [2024-11-08 20:42:59,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 20:42:59,021 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-08 20:42:59,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:42:59,022 INFO L225 Difference]: With dead ends: 212 [2024-11-08 20:42:59,023 INFO L226 Difference]: Without dead ends: 210 [2024-11-08 20:42:59,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-08 20:42:59,024 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 191 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 20:42:59,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 714 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 20:42:59,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-08 20:42:59,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 131. [2024-11-08 20:42:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 92 states have (on average 1.391304347826087) internal successors, (128), 93 states have internal predecessors, (128), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 20:42:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 200 transitions. [2024-11-08 20:42:59,035 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 200 transitions. Word has length 203 [2024-11-08 20:42:59,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:42:59,036 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 200 transitions. [2024-11-08 20:42:59,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:42:59,036 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 200 transitions. [2024-11-08 20:42:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-08 20:42:59,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:42:59,038 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:42:59,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 20:42:59,039 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:42:59,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:42:59,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1349372274, now seen corresponding path program 1 times [2024-11-08 20:42:59,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:42:59,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131021737] [2024-11-08 20:42:59,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:42:59,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:42:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:42:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:42:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:42:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:42:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:42:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:42:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:42:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:42:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:42:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:42:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:42:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:42:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:42:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:42:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:42:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:42:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:42:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:42:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:42:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:42:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:42:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:42:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:42:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:42:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:42:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:42:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:42:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:42:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:42:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:42:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:42:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:42:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:42:59,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:42:59,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131021737] [2024-11-08 20:42:59,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131021737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:42:59,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:42:59,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 20:42:59,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257261972] [2024-11-08 20:42:59,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:42:59,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 20:42:59,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:42:59,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 20:42:59,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:42:59,152 INFO L87 Difference]: Start difference. First operand 131 states and 200 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:42:59,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:42:59,209 INFO L93 Difference]: Finished difference Result 368 states and 566 transitions. [2024-11-08 20:42:59,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 20:42:59,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-08 20:42:59,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:42:59,215 INFO L225 Difference]: With dead ends: 368 [2024-11-08 20:42:59,216 INFO L226 Difference]: Without dead ends: 240 [2024-11-08 20:42:59,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:42:59,218 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 121 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:42:59,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 366 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:42:59,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-08 20:42:59,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 238. [2024-11-08 20:42:59,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 161 states have (on average 1.329192546583851) internal successors, (214), 163 states have internal predecessors, (214), 72 states have call successors, (72), 4 states have call predecessors, (72), 4 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-08 20:42:59,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 358 transitions. [2024-11-08 20:42:59,251 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 358 transitions. Word has length 203 [2024-11-08 20:42:59,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:42:59,253 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 358 transitions. [2024-11-08 20:42:59,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:42:59,253 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 358 transitions. [2024-11-08 20:42:59,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-08 20:42:59,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:42:59,255 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:42:59,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 20:42:59,255 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:42:59,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:42:59,255 INFO L85 PathProgramCache]: Analyzing trace with hash 540025648, now seen corresponding path program 1 times [2024-11-08 20:42:59,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:42:59,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073520646] [2024-11-08 20:42:59,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:42:59,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:42:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:42:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:42:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:42:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:42:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:42:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:42:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:42:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:42:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:42:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:42:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:42:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:42:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:42:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:42:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:42:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:42:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:42:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:42:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:42:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:42:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:42:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:42:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:42:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:42:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:42:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:42:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:42:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:42:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:42:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:42:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:42:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:42:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:42:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:42:59,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:42:59,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073520646] [2024-11-08 20:42:59,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073520646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:42:59,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:42:59,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 20:42:59,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127190843] [2024-11-08 20:42:59,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:42:59,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 20:42:59,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:42:59,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 20:42:59,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 20:42:59,416 INFO L87 Difference]: Start difference. First operand 238 states and 358 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:42:59,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:42:59,760 INFO L93 Difference]: Finished difference Result 704 states and 1049 transitions. [2024-11-08 20:42:59,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 20:42:59,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-08 20:42:59,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:42:59,764 INFO L225 Difference]: With dead ends: 704 [2024-11-08 20:42:59,764 INFO L226 Difference]: Without dead ends: 469 [2024-11-08 20:42:59,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 20:42:59,768 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 91 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 20:42:59,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 398 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 20:42:59,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-11-08 20:42:59,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 424. [2024-11-08 20:42:59,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 275 states have (on average 1.3054545454545454) internal successors, (359), 278 states have internal predecessors, (359), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 137 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-08 20:42:59,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 639 transitions. [2024-11-08 20:42:59,814 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 639 transitions. Word has length 203 [2024-11-08 20:42:59,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:42:59,815 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 639 transitions. [2024-11-08 20:42:59,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:42:59,815 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 639 transitions. [2024-11-08 20:42:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-08 20:42:59,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:42:59,818 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:42:59,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 20:42:59,818 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:42:59,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:42:59,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1220084018, now seen corresponding path program 1 times [2024-11-08 20:42:59,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:42:59,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705235116] [2024-11-08 20:42:59,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:42:59,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:42:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:43:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:43:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:43:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:43:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:43:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:43:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:43:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:43:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:43:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:43:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:43:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:43:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:43:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:43:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:43:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:43:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:43:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:43:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:43:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:43:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:43:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:43:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:43:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:43:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:43:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:43:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:43:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:43:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:43:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:43:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:43:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:43:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:43:02,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:43:02,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705235116] [2024-11-08 20:43:02,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705235116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:43:02,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:43:02,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 20:43:02,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632660223] [2024-11-08 20:43:02,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:43:02,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 20:43:02,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:43:02,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 20:43:02,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-08 20:43:02,515 INFO L87 Difference]: Start difference. First operand 424 states and 639 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:43:03,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:43:03,247 INFO L93 Difference]: Finished difference Result 570 states and 806 transitions. [2024-11-08 20:43:03,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 20:43:03,248 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-08 20:43:03,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:43:03,251 INFO L225 Difference]: With dead ends: 570 [2024-11-08 20:43:03,251 INFO L226 Difference]: Without dead ends: 568 [2024-11-08 20:43:03,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2024-11-08 20:43:03,252 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 331 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 20:43:03,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 662 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 20:43:03,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2024-11-08 20:43:03,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 480. [2024-11-08 20:43:03,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 320 states have (on average 1.2875) internal successors, (412), 325 states have internal predecessors, (412), 148 states have call successors, (148), 11 states have call predecessors, (148), 11 states have return successors, (148), 143 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-08 20:43:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 708 transitions. [2024-11-08 20:43:03,303 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 708 transitions. Word has length 203 [2024-11-08 20:43:03,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:43:03,303 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 708 transitions. [2024-11-08 20:43:03,303 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:43:03,303 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 708 transitions. [2024-11-08 20:43:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-08 20:43:03,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:43:03,305 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:43:03,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 20:43:03,305 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:43:03,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:43:03,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1221931060, now seen corresponding path program 1 times [2024-11-08 20:43:03,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:43:03,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785446006] [2024-11-08 20:43:03,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:43:03,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:43:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:43:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:43:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:43:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:43:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:43:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:43:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:43:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:43:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:43:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:43:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:43:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:43:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:43:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:43:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:43:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:43:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:43:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:43:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:43:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:43:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:43:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:43:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:43:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:43:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:43:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:43:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:43:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:43:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:43:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:43:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:43:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:43:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:43:05,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:43:05,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785446006] [2024-11-08 20:43:05,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785446006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:43:05,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:43:05,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 20:43:05,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092046984] [2024-11-08 20:43:05,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:43:05,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 20:43:05,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:43:05,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 20:43:05,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-08 20:43:05,980 INFO L87 Difference]: Start difference. First operand 480 states and 708 transitions. Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 states have internal predecessors, (46), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:43:07,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:43:07,455 INFO L93 Difference]: Finished difference Result 568 states and 804 transitions. [2024-11-08 20:43:07,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 20:43:07,455 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), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 203 [2024-11-08 20:43:07,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:43:07,458 INFO L225 Difference]: With dead ends: 568 [2024-11-08 20:43:07,458 INFO L226 Difference]: Without dead ends: 566 [2024-11-08 20:43:07,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-08 20:43:07,459 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 266 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 20:43:07,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 901 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 20:43:07,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-08 20:43:07,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 480. [2024-11-08 20:43:07,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 320 states have (on average 1.2875) internal successors, (412), 325 states have internal predecessors, (412), 148 states have call successors, (148), 11 states have call predecessors, (148), 11 states have return successors, (148), 143 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-08 20:43:07,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 708 transitions. [2024-11-08 20:43:07,495 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 708 transitions. Word has length 203 [2024-11-08 20:43:07,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:43:07,496 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 708 transitions. [2024-11-08 20:43:07,496 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), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:43:07,496 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 708 transitions. [2024-11-08 20:43:07,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-08 20:43:07,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:43:07,498 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:43:07,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 20:43:07,498 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:43:07,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:43:07,498 INFO L85 PathProgramCache]: Analyzing trace with hash 504400822, now seen corresponding path program 1 times [2024-11-08 20:43:07,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:43:07,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541479914] [2024-11-08 20:43:07,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:43:07,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:43:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:43:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:43:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:43:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:43:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:43:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:43:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:43:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:43:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:43:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:43:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:43:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:43:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:43:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:43:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:43:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:43:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:43:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:43:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:43:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:43:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:43:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:43:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:43:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:43:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:43:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:43:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:43:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:43:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:43:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:43:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:43:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:43:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:43:07,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:43:07,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541479914] [2024-11-08 20:43:07,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541479914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:43:07,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:43:07,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 20:43:07,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506679831] [2024-11-08 20:43:07,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:43:07,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 20:43:07,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:43:07,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 20:43:07,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 20:43:07,872 INFO L87 Difference]: Start difference. First operand 480 states and 708 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 20:43:08,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:43:08,165 INFO L93 Difference]: Finished difference Result 892 states and 1301 transitions. [2024-11-08 20:43:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 20:43:08,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 203 [2024-11-08 20:43:08,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:43:08,178 INFO L225 Difference]: With dead ends: 892 [2024-11-08 20:43:08,180 INFO L226 Difference]: Without dead ends: 487 [2024-11-08 20:43:08,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 20:43:08,184 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 143 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 20:43:08,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 258 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 20:43:08,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-08 20:43:08,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 478. [2024-11-08 20:43:08,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 312 states have (on average 1.2532051282051282) internal successors, (391), 317 states have internal predecessors, (391), 152 states have call successors, (152), 13 states have call predecessors, (152), 13 states have return successors, (152), 147 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-08 20:43:08,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 695 transitions. [2024-11-08 20:43:08,227 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 695 transitions. Word has length 203 [2024-11-08 20:43:08,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:43:08,228 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 695 transitions. [2024-11-08 20:43:08,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 20:43:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 695 transitions. [2024-11-08 20:43:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 20:43:08,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:43:08,229 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:43:08,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 20:43:08,229 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:43:08,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:43:08,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1476969059, now seen corresponding path program 1 times [2024-11-08 20:43:08,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:43:08,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053490322] [2024-11-08 20:43:08,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:43:08,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:43:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:43:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:43:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:43:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:43:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:43:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:43:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:43:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:43:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:43:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:43:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:43:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:43:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:43:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:43:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:43:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:43:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:43:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:43:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:43:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:43:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:43:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:43:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:43:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:43:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:43:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:43:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:43:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:43:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:43:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:43:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:43:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:43:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:43:10,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:43:10,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053490322] [2024-11-08 20:43:10,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053490322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:43:10,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:43:10,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 20:43:10,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681313729] [2024-11-08 20:43:10,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:43:10,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 20:43:10,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:43:10,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 20:43:10,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-08 20:43:10,509 INFO L87 Difference]: Start difference. First operand 478 states and 695 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:43:11,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:43:11,378 INFO L93 Difference]: Finished difference Result 915 states and 1300 transitions. [2024-11-08 20:43:11,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 20:43:11,379 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 204 [2024-11-08 20:43:11,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:43:11,382 INFO L225 Difference]: With dead ends: 915 [2024-11-08 20:43:11,382 INFO L226 Difference]: Without dead ends: 677 [2024-11-08 20:43:11,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-11-08 20:43:11,384 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 246 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 20:43:11,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1069 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 20:43:11,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2024-11-08 20:43:11,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 497. [2024-11-08 20:43:11,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 333 states have (on average 1.2672672672672673) internal successors, (422), 337 states have internal predecessors, (422), 148 states have call successors, (148), 15 states have call predecessors, (148), 15 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-08 20:43:11,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 718 transitions. [2024-11-08 20:43:11,424 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 718 transitions. Word has length 204 [2024-11-08 20:43:11,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:43:11,424 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 718 transitions. [2024-11-08 20:43:11,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:43:11,425 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 718 transitions. [2024-11-08 20:43:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 20:43:11,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:43:11,426 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:43:11,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 20:43:11,426 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:43:11,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:43:11,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1475122017, now seen corresponding path program 1 times [2024-11-08 20:43:11,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:43:11,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131805674] [2024-11-08 20:43:11,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:43:11,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:43:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:43:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:43:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:43:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:43:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:43:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:43:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:43:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:43:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:43:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:43:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:43:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:43:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:43:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:43:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:43:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:43:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:43:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:43:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:43:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 20:43:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 20:43:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 20:43:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 20:43:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 20:43:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 20:43:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 20:43:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 20:43:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 20:43:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 20:43:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 20:43:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 20:43:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-08 20:43:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:43:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:43:45,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:43:45,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131805674] [2024-11-08 20:43:45,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131805674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:43:45,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:43:45,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 20:43:45,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818881853] [2024-11-08 20:43:45,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:43:45,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 20:43:45,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:43:45,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 20:43:45,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-11-08 20:43:45,678 INFO L87 Difference]: Start difference. First operand 497 states and 718 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:43:49,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:43:49,343 INFO L93 Difference]: Finished difference Result 692 states and 962 transitions. [2024-11-08 20:43:49,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 20:43:49,344 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 204 [2024-11-08 20:43:49,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:43:49,347 INFO L225 Difference]: With dead ends: 692 [2024-11-08 20:43:49,347 INFO L226 Difference]: Without dead ends: 690 [2024-11-08 20:43:49,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=237, Invalid=633, Unknown=0, NotChecked=0, Total=870 [2024-11-08 20:43:49,348 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 416 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 20:43:49,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1193 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 20:43:49,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-08 20:43:49,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 500. [2024-11-08 20:43:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 336 states have (on average 1.2678571428571428) internal successors, (426), 340 states have internal predecessors, (426), 148 states have call successors, (148), 15 states have call predecessors, (148), 15 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-08 20:43:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 722 transitions. [2024-11-08 20:43:49,390 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 722 transitions. Word has length 204 [2024-11-08 20:43:49,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:43:49,390 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 722 transitions. [2024-11-08 20:43:49,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:43:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 722 transitions. [2024-11-08 20:43:49,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-08 20:43:49,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:43:49,392 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:43:49,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 20:43:49,393 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:43:49,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:43:49,393 INFO L85 PathProgramCache]: Analyzing trace with hash -796910689, now seen corresponding path program 1 times [2024-11-08 20:43:49,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:43:49,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732681241] [2024-11-08 20:43:49,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:43:49,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:43:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat