./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-7.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 130cb710857a69d51693f7c988d1089df72445a1bc96f77f0c94bfd1e5cc2bd5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 12:36:16,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 12:36:16,094 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 12:36:16,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 12:36:16,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 12:36:16,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 12:36:16,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 12:36:16,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 12:36:16,136 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 12:36:16,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 12:36:16,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 12:36:16,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 12:36:16,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 12:36:16,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 12:36:16,138 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 12:36:16,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 12:36:16,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 12:36:16,139 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 12:36:16,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 12:36:16,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 12:36:16,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 12:36:16,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 12:36:16,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 12:36:16,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 12:36:16,147 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 12:36:16,147 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 12:36:16,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 12:36:16,148 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 12:36:16,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 12:36:16,148 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 12:36:16,149 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 12:36:16,149 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 12:36:16,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:36:16,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 12:36:16,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 12:36:16,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 12:36:16,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 12:36:16,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 12:36:16,151 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 12:36:16,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 12:36:16,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 12:36:16,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 12:36:16,153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 130cb710857a69d51693f7c988d1089df72445a1bc96f77f0c94bfd1e5cc2bd5 [2024-10-14 12:36:16,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 12:36:16,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 12:36:16,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 12:36:16,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 12:36:16,437 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 12:36:16,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-7.i [2024-10-14 12:36:17,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 12:36:18,109 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 12:36:18,110 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-7.i [2024-10-14 12:36:18,126 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf1616b85/1ef109f42b104b19b7d91108a49c052e/FLAG32a12c3e4 [2024-10-14 12:36:18,440 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf1616b85/1ef109f42b104b19b7d91108a49c052e [2024-10-14 12:36:18,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 12:36:18,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 12:36:18,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 12:36:18,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 12:36:18,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 12:36:18,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:18,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e10c518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18, skipping insertion in model container [2024-10-14 12:36:18,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:18,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 12:36:18,671 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-7.i[915,928] [2024-10-14 12:36:18,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:36:18,863 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 12:36:18,875 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-7.i[915,928] [2024-10-14 12:36:18,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 12:36:18,981 INFO L204 MainTranslator]: Completed translation [2024-10-14 12:36:18,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18 WrapperNode [2024-10-14 12:36:18,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 12:36:18,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 12:36:18,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 12:36:18,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 12:36:18,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:19,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:19,066 INFO L138 Inliner]: procedures = 26, calls = 71, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 510 [2024-10-14 12:36:19,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 12:36:19,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 12:36:19,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 12:36:19,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 12:36:19,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:19,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:19,086 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:19,139 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 12:36:19,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:19,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:19,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:19,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:19,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:19,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:19,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 12:36:19,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 12:36:19,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 12:36:19,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 12:36:19,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (1/1) ... [2024-10-14 12:36:19,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 12:36:19,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 12:36:19,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 12:36:19,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 12:36:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 12:36:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 12:36:19,302 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 12:36:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 12:36:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 12:36:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 12:36:19,412 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 12:36:19,414 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 12:36:20,210 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-10-14 12:36:20,210 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 12:36:20,265 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 12:36:20,265 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 12:36:20,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:36:20 BoogieIcfgContainer [2024-10-14 12:36:20,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 12:36:20,269 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 12:36:20,270 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 12:36:20,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 12:36:20,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:36:18" (1/3) ... [2024-10-14 12:36:20,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7069ff6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:36:20, skipping insertion in model container [2024-10-14 12:36:20,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:36:18" (2/3) ... [2024-10-14 12:36:20,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7069ff6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:36:20, skipping insertion in model container [2024-10-14 12:36:20,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:36:20" (3/3) ... [2024-10-14 12:36:20,278 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-7.i [2024-10-14 12:36:20,293 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 12:36:20,293 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 12:36:20,371 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 12:36:20,377 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;@229c4fe3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 12:36:20,380 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 12:36:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 202 states, 141 states have (on average 1.524822695035461) internal successors, (215), 142 states have internal predecessors, (215), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-14 12:36:20,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-10-14 12:36:20,414 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:20,416 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:20,416 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:20,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:20,423 INFO L85 PathProgramCache]: Analyzing trace with hash -225835167, now seen corresponding path program 1 times [2024-10-14 12:36:20,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:20,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924035144] [2024-10-14 12:36:20,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:20,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:36:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:36:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:36:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:36:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:36:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:36:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 12:36:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 12:36:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 12:36:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 12:36:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 12:36:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 12:36:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 12:36:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-14 12:36:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 12:36:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-14 12:36:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 12:36:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 12:36:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 12:36:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-14 12:36:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 12:36:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 12:36:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 12:36:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-14 12:36:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-14 12:36:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-14 12:36:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-14 12:36:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-14 12:36:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-14 12:36:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-14 12:36:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 12:36:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:21,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-14 12:36:21,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:21,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924035144] [2024-10-14 12:36:21,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924035144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:21,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:21,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 12:36:21,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057501969] [2024-10-14 12:36:21,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:21,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 12:36:21,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:21,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 12:36:21,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 12:36:21,628 INFO L87 Difference]: Start difference. First operand has 202 states, 141 states have (on average 1.524822695035461) internal successors, (215), 142 states have internal predecessors, (215), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:21,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:21,864 INFO L93 Difference]: Finished difference Result 501 states and 885 transitions. [2024-10-14 12:36:21,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 12:36:21,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 363 [2024-10-14 12:36:21,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:21,885 INFO L225 Difference]: With dead ends: 501 [2024-10-14 12:36:21,886 INFO L226 Difference]: Without dead ends: 300 [2024-10-14 12:36:21,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 12:36:21,898 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 158 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:21,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 853 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 12:36:21,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-10-14 12:36:21,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 297. [2024-10-14 12:36:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 234 states have (on average 1.5299145299145298) internal successors, (358), 235 states have internal predecessors, (358), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-14 12:36:21,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 478 transitions. [2024-10-14 12:36:21,994 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 478 transitions. Word has length 363 [2024-10-14 12:36:21,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:22,000 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 478 transitions. [2024-10-14 12:36:22,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 478 transitions. [2024-10-14 12:36:22,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-10-14 12:36:22,013 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:22,013 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:22,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 12:36:22,014 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:22,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:22,015 INFO L85 PathProgramCache]: Analyzing trace with hash -153448609, now seen corresponding path program 1 times [2024-10-14 12:36:22,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:22,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733112103] [2024-10-14 12:36:22,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:22,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:36:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:36:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:36:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:36:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:36:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:36:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 12:36:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 12:36:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 12:36:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 12:36:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 12:36:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 12:36:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 12:36:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-14 12:36:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 12:36:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-14 12:36:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 12:36:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 12:36:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 12:36:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-14 12:36:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 12:36:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 12:36:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 12:36:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-14 12:36:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-14 12:36:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-14 12:36:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-14 12:36:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-14 12:36:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-14 12:36:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-14 12:36:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 12:36:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-14 12:36:22,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:22,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733112103] [2024-10-14 12:36:22,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733112103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:22,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:22,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 12:36:22,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841434706] [2024-10-14 12:36:22,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:22,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 12:36:22,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:22,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 12:36:22,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:36:22,509 INFO L87 Difference]: Start difference. First operand 297 states and 478 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:22,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:22,629 INFO L93 Difference]: Finished difference Result 885 states and 1424 transitions. [2024-10-14 12:36:22,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 12:36:22,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 363 [2024-10-14 12:36:22,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:22,638 INFO L225 Difference]: With dead ends: 885 [2024-10-14 12:36:22,640 INFO L226 Difference]: Without dead ends: 589 [2024-10-14 12:36:22,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:36:22,644 INFO L432 NwaCegarLoop]: 497 mSDtfsCounter, 307 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:22,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 797 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:36:22,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-10-14 12:36:22,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 587. [2024-10-14 12:36:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 462 states have (on average 1.5108225108225108) internal successors, (698), 464 states have internal predecessors, (698), 120 states have call successors, (120), 4 states have call predecessors, (120), 4 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) [2024-10-14 12:36:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 938 transitions. [2024-10-14 12:36:22,716 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 938 transitions. Word has length 363 [2024-10-14 12:36:22,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:22,719 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 938 transitions. [2024-10-14 12:36:22,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 938 transitions. [2024-10-14 12:36:22,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-10-14 12:36:22,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:22,726 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:22,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 12:36:22,726 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:22,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:22,727 INFO L85 PathProgramCache]: Analyzing trace with hash -601185055, now seen corresponding path program 1 times [2024-10-14 12:36:22,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:22,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991116357] [2024-10-14 12:36:22,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:22,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:36:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:36:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:36:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:22,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:36:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:36:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:36:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 12:36:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 12:36:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 12:36:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 12:36:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 12:36:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 12:36:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 12:36:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-14 12:36:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 12:36:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-14 12:36:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 12:36:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 12:36:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 12:36:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-14 12:36:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 12:36:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 12:36:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 12:36:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-14 12:36:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-14 12:36:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-14 12:36:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-14 12:36:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-14 12:36:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-14 12:36:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-14 12:36:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 12:36:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-14 12:36:23,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:23,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991116357] [2024-10-14 12:36:23,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991116357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:23,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:23,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 12:36:23,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959202959] [2024-10-14 12:36:23,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:23,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 12:36:23,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:23,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 12:36:23,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:36:23,107 INFO L87 Difference]: Start difference. First operand 587 states and 938 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:23,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:23,201 INFO L93 Difference]: Finished difference Result 1649 states and 2626 transitions. [2024-10-14 12:36:23,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 12:36:23,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 363 [2024-10-14 12:36:23,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:23,210 INFO L225 Difference]: With dead ends: 1649 [2024-10-14 12:36:23,210 INFO L226 Difference]: Without dead ends: 1063 [2024-10-14 12:36:23,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:36:23,213 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 280 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:23,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 671 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:36:23,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2024-10-14 12:36:23,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 649. [2024-10-14 12:36:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 524 states have (on average 1.5381679389312977) internal successors, (806), 526 states have internal predecessors, (806), 120 states have call successors, (120), 4 states have call predecessors, (120), 4 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) [2024-10-14 12:36:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 1046 transitions. [2024-10-14 12:36:23,307 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 1046 transitions. Word has length 363 [2024-10-14 12:36:23,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:23,311 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 1046 transitions. [2024-10-14 12:36:23,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:23,312 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1046 transitions. [2024-10-14 12:36:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-10-14 12:36:23,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:23,317 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:23,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 12:36:23,318 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:23,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:23,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1888343907, now seen corresponding path program 1 times [2024-10-14 12:36:23,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:23,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125778570] [2024-10-14 12:36:23,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:23,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:36:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:36:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:36:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:36:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:36:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:36:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 12:36:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 12:36:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 12:36:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 12:36:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 12:36:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 12:36:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 12:36:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-14 12:36:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 12:36:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-14 12:36:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 12:36:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 12:36:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 12:36:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-14 12:36:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 12:36:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 12:36:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 12:36:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-14 12:36:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-14 12:36:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-14 12:36:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-14 12:36:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-14 12:36:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-14 12:36:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-14 12:36:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 12:36:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-14 12:36:24,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:24,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125778570] [2024-10-14 12:36:24,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125778570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:24,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:24,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 12:36:24,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686533060] [2024-10-14 12:36:24,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:24,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 12:36:24,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:24,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 12:36:24,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 12:36:24,161 INFO L87 Difference]: Start difference. First operand 649 states and 1046 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:24,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:24,484 INFO L93 Difference]: Finished difference Result 1807 states and 2875 transitions. [2024-10-14 12:36:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 12:36:24,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 363 [2024-10-14 12:36:24,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:24,493 INFO L225 Difference]: With dead ends: 1807 [2024-10-14 12:36:24,494 INFO L226 Difference]: Without dead ends: 1159 [2024-10-14 12:36:24,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 12:36:24,498 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 398 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:24,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 828 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 12:36:24,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1159 states. [2024-10-14 12:36:24,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1159 to 907. [2024-10-14 12:36:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 745 states have (on average 1.5409395973154363) internal successors, (1148), 750 states have internal predecessors, (1148), 154 states have call successors, (154), 7 states have call predecessors, (154), 7 states have return successors, (154), 149 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-14 12:36:24,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1456 transitions. [2024-10-14 12:36:24,584 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1456 transitions. Word has length 363 [2024-10-14 12:36:24,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:24,585 INFO L471 AbstractCegarLoop]: Abstraction has 907 states and 1456 transitions. [2024-10-14 12:36:24,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:24,586 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1456 transitions. [2024-10-14 12:36:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-10-14 12:36:24,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:24,591 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:24,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 12:36:24,592 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:24,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:24,592 INFO L85 PathProgramCache]: Analyzing trace with hash 2107198625, now seen corresponding path program 1 times [2024-10-14 12:36:24,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:24,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845489783] [2024-10-14 12:36:24,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:24,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:36:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:36:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:24,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:36:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:36:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:36:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:36:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 12:36:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 12:36:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 12:36:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 12:36:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 12:36:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 12:36:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 12:36:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-14 12:36:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 12:36:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-14 12:36:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 12:36:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 12:36:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 12:36:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-14 12:36:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 12:36:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 12:36:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 12:36:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-14 12:36:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-14 12:36:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-14 12:36:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-14 12:36:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-14 12:36:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-14 12:36:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-14 12:36:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 12:36:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:25,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-14 12:36:25,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:25,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845489783] [2024-10-14 12:36:25,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845489783] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:25,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:25,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 12:36:25,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362888320] [2024-10-14 12:36:25,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:25,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 12:36:25,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:25,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 12:36:25,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:36:25,198 INFO L87 Difference]: Start difference. First operand 907 states and 1456 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:25,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:25,323 INFO L93 Difference]: Finished difference Result 2705 states and 4350 transitions. [2024-10-14 12:36:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 12:36:25,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 363 [2024-10-14 12:36:25,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:25,334 INFO L225 Difference]: With dead ends: 2705 [2024-10-14 12:36:25,334 INFO L226 Difference]: Without dead ends: 1806 [2024-10-14 12:36:25,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:36:25,338 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 204 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:25,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 670 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 12:36:25,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2024-10-14 12:36:25,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1804. [2024-10-14 12:36:25,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1484 states have (on average 1.5309973045822103) internal successors, (2272), 1493 states have internal predecessors, (2272), 306 states have call successors, (306), 13 states have call predecessors, (306), 13 states have return successors, (306), 297 states have call predecessors, (306), 306 states have call successors, (306) [2024-10-14 12:36:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2884 transitions. [2024-10-14 12:36:25,510 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2884 transitions. Word has length 363 [2024-10-14 12:36:25,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:25,511 INFO L471 AbstractCegarLoop]: Abstraction has 1804 states and 2884 transitions. [2024-10-14 12:36:25,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:25,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2884 transitions. [2024-10-14 12:36:25,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-10-14 12:36:25,517 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:25,518 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:25,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 12:36:25,518 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:25,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:25,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1684496799, now seen corresponding path program 1 times [2024-10-14 12:36:25,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:25,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610495514] [2024-10-14 12:36:25,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:25,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:36:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:36:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:36:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:36:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:36:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:36:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 12:36:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 12:36:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 12:36:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 12:36:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 12:36:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 12:36:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 12:36:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-14 12:36:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 12:36:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-14 12:36:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 12:36:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 12:36:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 12:36:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-14 12:36:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 12:36:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 12:36:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 12:36:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-14 12:36:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-14 12:36:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-14 12:36:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-14 12:36:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-14 12:36:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-14 12:36:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-14 12:36:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 12:36:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-14 12:36:26,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:26,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610495514] [2024-10-14 12:36:26,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610495514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:26,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:26,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 12:36:26,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964147391] [2024-10-14 12:36:26,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:26,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 12:36:26,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:26,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 12:36:26,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 12:36:26,604 INFO L87 Difference]: Start difference. First operand 1804 states and 2884 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:27,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:27,235 INFO L93 Difference]: Finished difference Result 4686 states and 7460 transitions. [2024-10-14 12:36:27,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 12:36:27,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 363 [2024-10-14 12:36:27,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:27,251 INFO L225 Difference]: With dead ends: 4686 [2024-10-14 12:36:27,252 INFO L226 Difference]: Without dead ends: 2890 [2024-10-14 12:36:27,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 12:36:27,258 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 556 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:27,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 1150 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 12:36:27,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2890 states. [2024-10-14 12:36:27,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2890 to 2000. [2024-10-14 12:36:27,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1680 states have (on average 1.5511904761904762) internal successors, (2606), 1689 states have internal predecessors, (2606), 306 states have call successors, (306), 13 states have call predecessors, (306), 13 states have return successors, (306), 297 states have call predecessors, (306), 306 states have call successors, (306) [2024-10-14 12:36:27,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 3218 transitions. [2024-10-14 12:36:27,442 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 3218 transitions. Word has length 363 [2024-10-14 12:36:27,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:27,443 INFO L471 AbstractCegarLoop]: Abstraction has 2000 states and 3218 transitions. [2024-10-14 12:36:27,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:27,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 3218 transitions. [2024-10-14 12:36:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-10-14 12:36:27,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:27,450 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:27,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 12:36:27,450 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:27,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:27,451 INFO L85 PathProgramCache]: Analyzing trace with hash -295256103, now seen corresponding path program 1 times [2024-10-14 12:36:27,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:27,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343722398] [2024-10-14 12:36:27,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:27,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 12:36:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 12:36:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 12:36:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 12:36:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 12:36:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 12:36:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 12:36:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 12:36:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 12:36:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 12:36:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 12:36:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 12:36:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 12:36:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 12:36:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 12:36:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 12:36:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 12:36:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 12:36:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 12:36:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 12:36:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 12:36:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 12:36:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 12:36:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 12:36:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 12:36:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 12:36:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 12:36:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 12:36:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 12:36:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 12:36:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 12:36:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 12:36:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:27,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 12:36:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 12:36:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 12:36:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 12:36:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 12:36:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 12:36:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 12:36:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-14 12:36:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 12:36:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-14 12:36:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 12:36:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 12:36:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 12:36:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-14 12:36:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 12:36:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 12:36:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 12:36:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-14 12:36:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-14 12:36:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-14 12:36:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-14 12:36:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-14 12:36:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-10-14 12:36:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-10-14 12:36:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-14 12:36:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-14 12:36:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 12:36:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-14 12:36:28,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 12:36:28,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343722398] [2024-10-14 12:36:28,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343722398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 12:36:28,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 12:36:28,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 12:36:28,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377424023] [2024-10-14 12:36:28,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 12:36:28,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 12:36:28,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 12:36:28,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 12:36:28,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:36:28,068 INFO L87 Difference]: Start difference. First operand 2000 states and 3218 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:28,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 12:36:28,269 INFO L93 Difference]: Finished difference Result 4084 states and 6585 transitions. [2024-10-14 12:36:28,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 12:36:28,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 363 [2024-10-14 12:36:28,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 12:36:28,284 INFO L225 Difference]: With dead ends: 4084 [2024-10-14 12:36:28,284 INFO L226 Difference]: Without dead ends: 2092 [2024-10-14 12:36:28,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 12:36:28,291 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 59 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 12:36:28,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 576 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 12:36:28,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2024-10-14 12:36:28,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2000. [2024-10-14 12:36:28,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1680 states have (on average 1.5452380952380953) internal successors, (2596), 1689 states have internal predecessors, (2596), 306 states have call successors, (306), 13 states have call predecessors, (306), 13 states have return successors, (306), 297 states have call predecessors, (306), 306 states have call successors, (306) [2024-10-14 12:36:28,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 3208 transitions. [2024-10-14 12:36:28,499 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 3208 transitions. Word has length 363 [2024-10-14 12:36:28,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 12:36:28,499 INFO L471 AbstractCegarLoop]: Abstraction has 2000 states and 3208 transitions. [2024-10-14 12:36:28,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-14 12:36:28,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 3208 transitions. [2024-10-14 12:36:28,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-10-14 12:36:28,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 12:36:28,506 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 12:36:28,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 12:36:28,506 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 12:36:28,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 12:36:28,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2100694437, now seen corresponding path program 1 times [2024-10-14 12:36:28,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 12:36:28,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739618310] [2024-10-14 12:36:28,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 12:36:28,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 12:36:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat