./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 20b89f8a60d2f6d2584628c0d5624c8090542a805d1f710cb23a05b88ce8a600 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 08:30:35,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 08:30:35,275 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 08:30:35,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 08:30:35,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 08:30:35,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 08:30:35,310 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 08:30:35,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 08:30:35,311 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 08:30:35,312 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 08:30:35,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 08:30:35,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 08:30:35,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 08:30:35,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 08:30:35,315 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 08:30:35,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 08:30:35,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 08:30:35,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 08:30:35,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 08:30:35,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 08:30:35,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 08:30:35,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 08:30:35,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 08:30:35,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 08:30:35,321 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 08:30:35,321 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 08:30:35,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 08:30:35,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 08:30:35,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 08:30:35,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 08:30:35,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 08:30:35,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 08:30:35,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:30:35,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 08:30:35,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 08:30:35,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 08:30:35,323 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 08:30:35,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 08:30:35,323 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 08:30:35,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 08:30:35,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 08:30:35,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 08:30:35,325 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20b89f8a60d2f6d2584628c0d5624c8090542a805d1f710cb23a05b88ce8a600 [2024-10-11 08:30:35,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 08:30:35,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 08:30:35,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 08:30:35,633 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 08:30:35,633 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 08:30:35,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i [2024-10-11 08:30:36,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 08:30:37,149 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 08:30:37,150 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i [2024-10-11 08:30:37,157 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/a7e2d3970/5962d458805c43c3bc0d288bd0d1ee74/FLAGda52d7c94 [2024-10-11 08:30:37,172 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/a7e2d3970/5962d458805c43c3bc0d288bd0d1ee74 [2024-10-11 08:30:37,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 08:30:37,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 08:30:37,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 08:30:37,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 08:30:37,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 08:30:37,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f42dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37, skipping insertion in model container [2024-10-11 08:30:37,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,207 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 08:30:37,337 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i[915,928] [2024-10-11 08:30:37,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:30:37,408 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 08:30:37,417 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-81.i[915,928] [2024-10-11 08:30:37,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:30:37,499 INFO L204 MainTranslator]: Completed translation [2024-10-11 08:30:37,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37 WrapperNode [2024-10-11 08:30:37,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 08:30:37,501 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 08:30:37,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 08:30:37,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 08:30:37,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,592 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2024-10-11 08:30:37,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 08:30:37,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 08:30:37,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 08:30:37,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 08:30:37,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,609 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,634 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]. [2024-10-11 08:30:37,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 08:30:37,668 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 08:30:37,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 08:30:37,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 08:30:37,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (1/1) ... [2024-10-11 08:30:37,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:30:37,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:30:37,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 08:30:37,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 08:30:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 08:30:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 08:30:37,743 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 08:30:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 08:30:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 08:30:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 08:30:37,830 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 08:30:37,832 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 08:30:38,140 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-11 08:30:38,141 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 08:30:38,171 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 08:30:38,172 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 08:30:38,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:30:38 BoogieIcfgContainer [2024-10-11 08:30:38,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 08:30:38,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 08:30:38,175 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 08:30:38,178 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 08:30:38,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:30:37" (1/3) ... [2024-10-11 08:30:38,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286b1ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:30:38, skipping insertion in model container [2024-10-11 08:30:38,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:30:37" (2/3) ... [2024-10-11 08:30:38,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286b1ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:30:38, skipping insertion in model container [2024-10-11 08:30:38,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:30:38" (3/3) ... [2024-10-11 08:30:38,181 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-81.i [2024-10-11 08:30:38,196 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 08:30:38,197 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 08:30:38,250 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 08:30:38,255 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;@7d6bc0e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 08:30:38,256 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 08:30:38,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 59 states have (on average 1.423728813559322) internal successors, (84), 60 states have internal predecessors, (84), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-11 08:30:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-11 08:30:38,281 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:30:38,282 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:30:38,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:30:38,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:30:38,288 INFO L85 PathProgramCache]: Analyzing trace with hash -948757628, now seen corresponding path program 1 times [2024-10-11 08:30:38,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:30:38,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882023403] [2024-10-11 08:30:38,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:30:38,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:30:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:30:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:30:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:30:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:30:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:30:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:30:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:30:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:30:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:30:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:30:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:30:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:30:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:30:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:30:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:30:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:30:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:30:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:30:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:30:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:30:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:30:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:30:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:30:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:30:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:30:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:30:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:30:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:30:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:30:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 08:30:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:30:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 08:30:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:30:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 08:30:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 08:30:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:30:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 08:30:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:30:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 08:30:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 08:30:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:30:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-11 08:30:38,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:30:38,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882023403] [2024-10-11 08:30:38,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882023403] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:30:38,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:30:38,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 08:30:38,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587429126] [2024-10-11 08:30:38,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:30:38,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 08:30:38,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:30:38,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 08:30:38,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:30:38,941 INFO L87 Difference]: Start difference. First operand has 103 states, 59 states have (on average 1.423728813559322) internal successors, (84), 60 states have internal predecessors, (84), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-10-11 08:30:38,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:30:38,978 INFO L93 Difference]: Finished difference Result 203 states and 371 transitions. [2024-10-11 08:30:38,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 08:30:38,982 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) Word has length 247 [2024-10-11 08:30:38,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:30:38,991 INFO L225 Difference]: With dead ends: 203 [2024-10-11 08:30:38,992 INFO L226 Difference]: Without dead ends: 101 [2024-10-11 08:30:38,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:30:38,998 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:30:38,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:30:39,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-10-11 08:30:39,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-10-11 08:30:39,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 58 states have internal predecessors, (79), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-11 08:30:39,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 161 transitions. [2024-10-11 08:30:39,042 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 161 transitions. Word has length 247 [2024-10-11 08:30:39,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:30:39,043 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 161 transitions. [2024-10-11 08:30:39,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-10-11 08:30:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 161 transitions. [2024-10-11 08:30:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-11 08:30:39,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:30:39,047 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:30:39,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 08:30:39,047 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:30:39,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:30:39,048 INFO L85 PathProgramCache]: Analyzing trace with hash 104161414, now seen corresponding path program 1 times [2024-10-11 08:30:39,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:30:39,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569991755] [2024-10-11 08:30:39,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:30:39,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:30:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:30:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:30:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:30:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:30:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:30:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:30:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:30:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:30:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:30:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:30:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:30:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:30:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:30:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:30:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:30:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:30:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:30:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:30:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:30:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:30:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:30:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:30:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:30:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:30:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:30:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:30:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:30:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:30:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:30:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 08:30:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:30:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 08:30:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:30:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 08:30:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 08:30:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:30:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 08:30:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:30:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 08:30:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 08:30:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:30:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-11 08:30:49,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:30:49,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569991755] [2024-10-11 08:30:49,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569991755] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:30:49,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:30:49,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 08:30:49,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286834831] [2024-10-11 08:30:49,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:30:49,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 08:30:49,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:30:49,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 08:30:49,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-11 08:30:49,928 INFO L87 Difference]: Start difference. First operand 101 states and 161 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:30:51,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:30:51,763 INFO L93 Difference]: Finished difference Result 404 states and 629 transitions. [2024-10-11 08:30:51,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 08:30:51,764 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2024-10-11 08:30:51,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:30:51,771 INFO L225 Difference]: With dead ends: 404 [2024-10-11 08:30:51,771 INFO L226 Difference]: Without dead ends: 304 [2024-10-11 08:30:51,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2024-10-11 08:30:51,778 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 689 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:30:51,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 779 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 08:30:51,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-11 08:30:51,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 191. [2024-10-11 08:30:51,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 106 states have internal predecessors, (142), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-10-11 08:30:51,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 306 transitions. [2024-10-11 08:30:51,815 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 306 transitions. Word has length 247 [2024-10-11 08:30:51,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:30:51,816 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 306 transitions. [2024-10-11 08:30:51,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:30:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 306 transitions. [2024-10-11 08:30:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-11 08:30:51,819 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:30:51,819 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:30:51,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 08:30:51,820 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:30:51,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:30:51,820 INFO L85 PathProgramCache]: Analyzing trace with hash 784219784, now seen corresponding path program 1 times [2024-10-11 08:30:51,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:30:51,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234533476] [2024-10-11 08:30:51,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:30:51,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:30:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:30:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:30:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:30:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:30:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:30:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:30:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:30:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:30:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:30:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:30:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:30:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:30:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:30:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:30:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:30:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:30:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:30:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:30:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:30:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:30:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:30:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:30:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:30:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:30:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:30:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:30:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:30:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:30:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:30:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 08:30:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:30:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 08:30:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:30:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 08:30:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 08:30:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:30:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 08:30:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:30:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 08:30:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 08:30:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:30:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-11 08:30:52,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:30:52,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234533476] [2024-10-11 08:30:52,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234533476] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:30:52,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:30:52,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 08:30:52,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178313336] [2024-10-11 08:30:52,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:30:52,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 08:30:52,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:30:52,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 08:30:52,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:30:52,110 INFO L87 Difference]: Start difference. First operand 191 states and 306 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:30:52,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:30:52,189 INFO L93 Difference]: Finished difference Result 324 states and 513 transitions. [2024-10-11 08:30:52,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 08:30:52,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2024-10-11 08:30:52,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:30:52,195 INFO L225 Difference]: With dead ends: 324 [2024-10-11 08:30:52,197 INFO L226 Difference]: Without dead ends: 224 [2024-10-11 08:30:52,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:30:52,198 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 40 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:30:52,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 462 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 08:30:52,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-11 08:30:52,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 221. [2024-10-11 08:30:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 131 states have (on average 1.3435114503816794) internal successors, (176), 132 states have internal predecessors, (176), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 08:30:52,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 348 transitions. [2024-10-11 08:30:52,243 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 348 transitions. Word has length 247 [2024-10-11 08:30:52,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:30:52,245 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 348 transitions. [2024-10-11 08:30:52,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:30:52,248 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 348 transitions. [2024-10-11 08:30:52,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-11 08:30:52,250 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:30:52,250 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:30:52,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 08:30:52,254 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:30:52,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:30:52,254 INFO L85 PathProgramCache]: Analyzing trace with hash -288865596, now seen corresponding path program 1 times [2024-10-11 08:30:52,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:30:52,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902176586] [2024-10-11 08:30:52,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:30:52,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:30:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:30:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:30:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:30:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:30:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:30:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:30:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:30:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:30:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:30:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:30:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:30:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:30:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:30:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:30:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:30:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:30:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:30:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:30:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:30:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:30:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:30:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:30:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:30:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:30:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:30:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:30:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:30:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:30:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:30:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 08:30:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:30:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 08:30:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:30:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 08:30:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 08:30:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:30:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 08:30:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:30:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 08:30:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 08:30:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:30:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:30:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-11 08:30:59,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:30:59,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902176586] [2024-10-11 08:30:59,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902176586] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:30:59,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:30:59,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 08:30:59,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268191796] [2024-10-11 08:30:59,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:30:59,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 08:30:59,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:30:59,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 08:30:59,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 08:30:59,687 INFO L87 Difference]: Start difference. First operand 221 states and 348 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:02,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:31:02,527 INFO L93 Difference]: Finished difference Result 452 states and 692 transitions. [2024-10-11 08:31:02,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 08:31:02,527 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2024-10-11 08:31:02,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:31:02,536 INFO L225 Difference]: With dead ends: 452 [2024-10-11 08:31:02,537 INFO L226 Difference]: Without dead ends: 322 [2024-10-11 08:31:02,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-10-11 08:31:02,542 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 455 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 08:31:02,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 745 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 08:31:02,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-11 08:31:02,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 221. [2024-10-11 08:31:02,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 131 states have (on average 1.3435114503816794) internal successors, (176), 132 states have internal predecessors, (176), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 08:31:02,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 348 transitions. [2024-10-11 08:31:02,570 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 348 transitions. Word has length 247 [2024-10-11 08:31:02,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:31:02,571 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 348 transitions. [2024-10-11 08:31:02,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:02,571 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 348 transitions. [2024-10-11 08:31:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-11 08:31:02,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:31:02,573 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:31:02,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 08:31:02,574 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:31:02,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:31:02,574 INFO L85 PathProgramCache]: Analyzing trace with hash 805225992, now seen corresponding path program 1 times [2024-10-11 08:31:02,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:31:02,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965710312] [2024-10-11 08:31:02,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:31:02,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:31:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:31:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:31:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:31:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:31:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:31:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:31:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:31:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:31:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:31:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:31:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:31:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:31:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:31:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:31:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:31:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:31:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:31:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:31:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:31:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:31:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:31:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:31:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:31:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:31:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:31:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:31:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:31:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:31:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:31:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 08:31:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:31:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 08:31:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:31:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 08:31:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 08:31:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:31:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 08:31:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:31:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 08:31:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 08:31:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:31:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-11 08:31:03,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:31:03,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965710312] [2024-10-11 08:31:03,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965710312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:31:03,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:31:03,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 08:31:03,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50134250] [2024-10-11 08:31:03,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:31:03,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 08:31:03,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:31:03,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 08:31:03,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 08:31:03,245 INFO L87 Difference]: Start difference. First operand 221 states and 348 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:03,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:31:03,687 INFO L93 Difference]: Finished difference Result 395 states and 616 transitions. [2024-10-11 08:31:03,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 08:31:03,688 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2024-10-11 08:31:03,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:31:03,690 INFO L225 Difference]: With dead ends: 395 [2024-10-11 08:31:03,690 INFO L226 Difference]: Without dead ends: 265 [2024-10-11 08:31:03,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 08:31:03,692 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 165 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 08:31:03,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 577 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 08:31:03,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-10-11 08:31:03,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 227. [2024-10-11 08:31:03,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 137 states have (on average 1.3357664233576643) internal successors, (183), 138 states have internal predecessors, (183), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 08:31:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 355 transitions. [2024-10-11 08:31:03,741 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 355 transitions. Word has length 247 [2024-10-11 08:31:03,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:31:03,741 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 355 transitions. [2024-10-11 08:31:03,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 355 transitions. [2024-10-11 08:31:03,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-11 08:31:03,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:31:03,748 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:31:03,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 08:31:03,748 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:31:03,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:31:03,748 INFO L85 PathProgramCache]: Analyzing trace with hash -482644600, now seen corresponding path program 1 times [2024-10-11 08:31:03,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:31:03,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477967566] [2024-10-11 08:31:03,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:31:03,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:31:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:31:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:31:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:31:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:31:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:31:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:31:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:31:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:31:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:31:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:31:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:31:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:31:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:31:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:31:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:31:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:31:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:31:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:31:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:31:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:31:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:31:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:31:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:31:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:31:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:31:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:31:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:31:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:31:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:31:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 08:31:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:31:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 08:31:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:31:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 08:31:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 08:31:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:31:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 08:31:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:31:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 08:31:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 08:31:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:31:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:11,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-11 08:31:11,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:31:11,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477967566] [2024-10-11 08:31:11,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477967566] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:31:11,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:31:11,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 08:31:11,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655610350] [2024-10-11 08:31:11,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:31:11,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 08:31:11,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:31:11,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 08:31:11,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 08:31:11,334 INFO L87 Difference]: Start difference. First operand 227 states and 355 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:11,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:31:11,938 INFO L93 Difference]: Finished difference Result 423 states and 646 transitions. [2024-10-11 08:31:11,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 08:31:11,939 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2024-10-11 08:31:11,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:31:11,941 INFO L225 Difference]: With dead ends: 423 [2024-10-11 08:31:11,941 INFO L226 Difference]: Without dead ends: 293 [2024-10-11 08:31:11,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-11 08:31:11,943 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 232 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 08:31:11,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 542 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 08:31:11,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-11 08:31:11,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 228. [2024-10-11 08:31:11,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 138 states have (on average 1.3405797101449275) internal successors, (185), 139 states have internal predecessors, (185), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 08:31:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 357 transitions. [2024-10-11 08:31:11,966 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 357 transitions. Word has length 247 [2024-10-11 08:31:11,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:31:11,966 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 357 transitions. [2024-10-11 08:31:11,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:11,967 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 357 transitions. [2024-10-11 08:31:11,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-10-11 08:31:11,970 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:31:11,970 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:31:11,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 08:31:11,970 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:31:11,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:31:11,971 INFO L85 PathProgramCache]: Analyzing trace with hash -875671610, now seen corresponding path program 1 times [2024-10-11 08:31:11,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:31:11,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702854652] [2024-10-11 08:31:11,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:31:11,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:31:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:31:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:31:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:31:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:31:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:31:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:31:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:31:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:31:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:31:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:31:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:31:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:31:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:31:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:31:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:31:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:31:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:31:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:31:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:31:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:31:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:31:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:31:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:31:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:31:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:31:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:31:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:31:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:31:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:31:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 08:31:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:31:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 08:31:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:31:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 08:31:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 08:31:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:31:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 08:31:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:31:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 08:31:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 08:31:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:31:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-11 08:31:19,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:31:19,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702854652] [2024-10-11 08:31:19,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702854652] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:31:19,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:31:19,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 08:31:19,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281471004] [2024-10-11 08:31:19,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:31:19,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 08:31:19,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:31:19,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 08:31:19,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 08:31:19,961 INFO L87 Difference]: Start difference. First operand 228 states and 357 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:21,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:31:21,441 INFO L93 Difference]: Finished difference Result 405 states and 623 transitions. [2024-10-11 08:31:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 08:31:21,442 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2024-10-11 08:31:21,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:31:21,445 INFO L225 Difference]: With dead ends: 405 [2024-10-11 08:31:21,445 INFO L226 Difference]: Without dead ends: 265 [2024-10-11 08:31:21,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-10-11 08:31:21,448 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 111 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 08:31:21,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 654 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 08:31:21,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-10-11 08:31:21,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 225. [2024-10-11 08:31:21,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 135 states have (on average 1.3407407407407408) internal successors, (181), 136 states have internal predecessors, (181), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 08:31:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 353 transitions. [2024-10-11 08:31:21,479 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 353 transitions. Word has length 247 [2024-10-11 08:31:21,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:31:21,480 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 353 transitions. [2024-10-11 08:31:21,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 353 transitions. [2024-10-11 08:31:21,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-11 08:31:21,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:31:21,483 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:31:21,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 08:31:21,484 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:31:21,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:31:21,484 INFO L85 PathProgramCache]: Analyzing trace with hash 213502936, now seen corresponding path program 1 times [2024-10-11 08:31:21,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:31:21,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098039888] [2024-10-11 08:31:21,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:31:21,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:31:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:31:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:31:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:31:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:31:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:31:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:31:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:31:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:31:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:31:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:31:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:31:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:31:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:31:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:31:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:31:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:31:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:31:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:31:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:31:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:31:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:31:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:31:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:31:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:31:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:31:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:31:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:31:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:31:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:31:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 08:31:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:31:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 08:31:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:31:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 08:31:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 08:31:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:31:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 08:31:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:31:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 08:31:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 08:31:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:31:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-11 08:31:26,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:31:26,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098039888] [2024-10-11 08:31:26,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098039888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:31:26,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:31:26,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 08:31:26,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230837977] [2024-10-11 08:31:26,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:31:26,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 08:31:26,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:31:26,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 08:31:26,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-11 08:31:26,621 INFO L87 Difference]: Start difference. First operand 225 states and 353 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:28,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:31:28,811 INFO L93 Difference]: Finished difference Result 556 states and 839 transitions. [2024-10-11 08:31:28,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 08:31:28,811 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 248 [2024-10-11 08:31:28,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:31:28,814 INFO L225 Difference]: With dead ends: 556 [2024-10-11 08:31:28,814 INFO L226 Difference]: Without dead ends: 416 [2024-10-11 08:31:28,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-10-11 08:31:28,815 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 480 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 08:31:28,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 827 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 08:31:28,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-10-11 08:31:28,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 230. [2024-10-11 08:31:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 140 states have (on average 1.35) internal successors, (189), 141 states have internal predecessors, (189), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 08:31:28,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 361 transitions. [2024-10-11 08:31:28,838 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 361 transitions. Word has length 248 [2024-10-11 08:31:28,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:31:28,838 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 361 transitions. [2024-10-11 08:31:28,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:28,839 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 361 transitions. [2024-10-11 08:31:28,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-11 08:31:28,840 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:31:28,840 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:31:28,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 08:31:28,840 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:31:28,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:31:28,841 INFO L85 PathProgramCache]: Analyzing trace with hash 893561306, now seen corresponding path program 1 times [2024-10-11 08:31:28,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:31:28,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063132697] [2024-10-11 08:31:28,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:31:28,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:31:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:32,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:31:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:32,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:31:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:32,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:31:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:32,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:31:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:32,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:31:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:32,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:31:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:31:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:31:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:31:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:31:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:31:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:31:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:31:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:31:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:31:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:31:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:31:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:31:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:31:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:31:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:31:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:31:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:31:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:31:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:31:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:31:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:31:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:31:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:31:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 08:31:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:31:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 08:31:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:31:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 08:31:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 08:31:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:31:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 08:31:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:31:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 08:31:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 08:31:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:31:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-11 08:31:33,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:31:33,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063132697] [2024-10-11 08:31:33,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063132697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:31:33,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:31:33,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 08:31:33,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160480785] [2024-10-11 08:31:33,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:31:33,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 08:31:33,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:31:33,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 08:31:33,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-11 08:31:33,036 INFO L87 Difference]: Start difference. First operand 230 states and 361 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:33,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:31:33,937 INFO L93 Difference]: Finished difference Result 499 states and 761 transitions. [2024-10-11 08:31:33,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 08:31:33,939 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 248 [2024-10-11 08:31:33,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:31:33,941 INFO L225 Difference]: With dead ends: 499 [2024-10-11 08:31:33,941 INFO L226 Difference]: Without dead ends: 359 [2024-10-11 08:31:33,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-11 08:31:33,943 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 137 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 08:31:33,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 852 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 08:31:33,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-10-11 08:31:33,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 245. [2024-10-11 08:31:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 155 states have (on average 1.3612903225806452) internal successors, (211), 156 states have internal predecessors, (211), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 08:31:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 383 transitions. [2024-10-11 08:31:33,965 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 383 transitions. Word has length 248 [2024-10-11 08:31:33,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:31:33,966 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 383 transitions. [2024-10-11 08:31:33,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:33,966 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 383 transitions. [2024-10-11 08:31:33,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-11 08:31:33,967 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:31:33,967 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:31:33,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 08:31:33,968 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:31:33,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:31:33,968 INFO L85 PathProgramCache]: Analyzing trace with hash -179524074, now seen corresponding path program 1 times [2024-10-11 08:31:33,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:31:33,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253919972] [2024-10-11 08:31:33,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:31:33,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:31:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:31:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:31:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:31:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:31:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:31:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:31:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:31:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:31:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:31:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:31:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:31:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:31:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:31:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:31:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:31:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:31:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:31:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:31:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:31:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:31:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:31:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:31:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:31:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:31:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:31:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:31:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:31:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:31:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:31:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 08:31:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:31:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 08:31:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:31:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 08:31:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 08:31:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:31:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 08:31:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:31:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 08:31:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 08:31:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:31:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-11 08:31:40,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:31:40,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253919972] [2024-10-11 08:31:40,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253919972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:31:40,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:31:40,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 08:31:40,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011511139] [2024-10-11 08:31:40,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:31:40,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 08:31:40,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:31:40,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 08:31:40,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-11 08:31:40,127 INFO L87 Difference]: Start difference. First operand 245 states and 383 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:43,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:31:43,548 INFO L93 Difference]: Finished difference Result 584 states and 878 transitions. [2024-10-11 08:31:43,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-11 08:31:43,548 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 248 [2024-10-11 08:31:43,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:31:43,551 INFO L225 Difference]: With dead ends: 584 [2024-10-11 08:31:43,551 INFO L226 Difference]: Without dead ends: 431 [2024-10-11 08:31:43,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=212, Invalid=658, Unknown=0, NotChecked=0, Total=870 [2024-10-11 08:31:43,552 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 425 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 08:31:43,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 808 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 08:31:43,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-10-11 08:31:43,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 246. [2024-10-11 08:31:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 156 states have (on average 1.3653846153846154) internal successors, (213), 157 states have internal predecessors, (213), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 08:31:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 385 transitions. [2024-10-11 08:31:43,572 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 385 transitions. Word has length 248 [2024-10-11 08:31:43,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:31:43,572 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 385 transitions. [2024-10-11 08:31:43,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:31:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 385 transitions. [2024-10-11 08:31:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-11 08:31:43,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:31:43,574 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:31:43,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 08:31:43,574 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:31:43,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:31:43,574 INFO L85 PathProgramCache]: Analyzing trace with hash 500534296, now seen corresponding path program 1 times [2024-10-11 08:31:43,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:31:43,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370233095] [2024-10-11 08:31:43,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:31:43,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:31:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:31:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:31:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:31:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:31:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:31:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:31:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:31:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:31:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:31:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:31:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:31:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:31:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:31:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:31:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:31:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:31:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:31:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:31:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:31:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:31:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:31:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:47,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:31:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:31:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:31:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:31:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:31:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:31:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:31:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:31:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 08:31:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:31:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 08:31:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:31:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 08:31:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 08:31:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:31:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 08:31:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:31:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 08:31:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 08:31:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:31:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-11 08:31:48,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:31:48,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370233095] [2024-10-11 08:31:48,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370233095] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:31:48,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:31:48,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 08:31:48,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386361243] [2024-10-11 08:31:48,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:31:48,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 08:31:48,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:31:48,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 08:31:48,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 08:31:48,168 INFO L87 Difference]: Start difference. First operand 246 states and 385 transitions. Second operand has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-10-11 08:31:50,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:31:50,122 INFO L93 Difference]: Finished difference Result 534 states and 812 transitions. [2024-10-11 08:31:50,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 08:31:50,123 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) Word has length 248 [2024-10-11 08:31:50,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:31:50,125 INFO L225 Difference]: With dead ends: 534 [2024-10-11 08:31:50,125 INFO L226 Difference]: Without dead ends: 381 [2024-10-11 08:31:50,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-10-11 08:31:50,127 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 293 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:31:50,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 991 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 08:31:50,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-10-11 08:31:50,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 245. [2024-10-11 08:31:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 155 states have (on average 1.3612903225806452) internal successors, (211), 156 states have internal predecessors, (211), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 08:31:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 383 transitions. [2024-10-11 08:31:50,151 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 383 transitions. Word has length 248 [2024-10-11 08:31:50,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:31:50,152 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 383 transitions. [2024-10-11 08:31:50,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-10-11 08:31:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 383 transitions. [2024-10-11 08:31:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-11 08:31:50,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:31:50,153 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:31:50,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 08:31:50,153 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:31:50,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:31:50,154 INFO L85 PathProgramCache]: Analyzing trace with hash -373303078, now seen corresponding path program 1 times [2024-10-11 08:31:50,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:31:50,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389877842] [2024-10-11 08:31:50,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:31:50,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:31:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:31:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:31:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:31:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:31:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:31:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:31:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:31:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:31:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:31:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:31:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:31:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:31:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:31:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:31:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:31:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:31:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:31:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:31:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:31:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:31:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:31:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:31:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:31:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:31:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:31:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:31:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:31:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:31:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:31:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 08:31:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:31:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 08:31:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:31:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 08:31:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 08:31:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 08:31:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 08:31:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 08:31:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 08:31:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 08:31:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 08:31:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:31:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-11 08:31:56,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:31:56,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389877842] [2024-10-11 08:31:56,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389877842] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:31:56,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:31:56,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 08:31:56,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724471669] [2024-10-11 08:31:56,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:31:56,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 08:31:56,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:31:56,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 08:31:56,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-11 08:31:56,446 INFO L87 Difference]: Start difference. First operand 245 states and 383 transitions. Second operand has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:32:00,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:32:00,993 INFO L93 Difference]: Finished difference Result 602 states and 896 transitions. [2024-10-11 08:32:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-11 08:32:00,994 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 248 [2024-10-11 08:32:00,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:32:00,996 INFO L225 Difference]: With dead ends: 602 [2024-10-11 08:32:00,996 INFO L226 Difference]: Without dead ends: 449 [2024-10-11 08:32:00,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=229, Invalid=827, Unknown=0, NotChecked=0, Total=1056 [2024-10-11 08:32:00,998 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 369 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-11 08:32:00,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 1015 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-11 08:32:00,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-10-11 08:32:01,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 246. [2024-10-11 08:32:01,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 156 states have (on average 1.3653846153846154) internal successors, (213), 157 states have internal predecessors, (213), 86 states have call successors, (86), 3 states have call predecessors, (86), 3 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-11 08:32:01,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 385 transitions. [2024-10-11 08:32:01,021 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 385 transitions. Word has length 248 [2024-10-11 08:32:01,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:32:01,022 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 385 transitions. [2024-10-11 08:32:01,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-10-11 08:32:01,022 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 385 transitions. [2024-10-11 08:32:01,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-10-11 08:32:01,023 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:32:01,023 INFO L215 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:32:01,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 08:32:01,023 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:32:01,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:32:01,024 INFO L85 PathProgramCache]: Analyzing trace with hash -766330088, now seen corresponding path program 1 times [2024-10-11 08:32:01,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:32:01,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192027220] [2024-10-11 08:32:01,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:32:01,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:32:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat