./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-50_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-45.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3c6b69598e12a8964c97c957d1e8ad33abec465af98c95276a8354401884a2e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 08:53:54,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 08:53:54,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 08:53:54,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 08:53:54,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 08:53:54,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 08:53:54,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 08:53:54,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 08:53:54,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 08:53:54,279 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 08:53:54,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 08:53:54,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 08:53:54,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 08:53:54,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 08:53:54,282 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 08:53:54,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 08:53:54,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 08:53:54,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 08:53:54,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 08:53:54,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 08:53:54,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 08:53:54,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 08:53:54,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 08:53:54,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 08:53:54,288 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 08:53:54,288 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 08:53:54,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 08:53:54,289 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 08:53:54,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 08:53:54,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 08:53:54,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 08:53:54,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 08:53:54,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:53:54,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 08:53:54,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 08:53:54,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 08:53:54,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 08:53:54,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 08:53:54,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 08:53:54,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 08:53:54,292 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 08:53:54,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 08:53:54,294 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3c6b69598e12a8964c97c957d1e8ad33abec465af98c95276a8354401884a2e [2024-10-14 08:53:54,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 08:53:54,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 08:53:54,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 08:53:54,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 08:53:54,560 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 08:53:54,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-45.i [2024-10-14 08:53:55,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 08:53:56,238 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 08:53:56,239 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-45.i [2024-10-14 08:53:56,250 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d4e2cb76/a7eaeccd5f254dc9b7ee69d7a52a4b45/FLAGe8f97bd44 [2024-10-14 08:53:56,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d4e2cb76/a7eaeccd5f254dc9b7ee69d7a52a4b45 [2024-10-14 08:53:56,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 08:53:56,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 08:53:56,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 08:53:56,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 08:53:56,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 08:53:56,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:56,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6960c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56, skipping insertion in model container [2024-10-14 08:53:56,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:56,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 08:53:56,767 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-50_file-45.i[915,928] [2024-10-14 08:53:56,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:53:56,889 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 08:53:56,901 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-50_file-45.i[915,928] [2024-10-14 08:53:56,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:53:56,944 INFO L204 MainTranslator]: Completed translation [2024-10-14 08:53:56,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56 WrapperNode [2024-10-14 08:53:56,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 08:53:56,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 08:53:56,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 08:53:56,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 08:53:56,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:56,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:57,029 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239 [2024-10-14 08:53:57,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 08:53:57,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 08:53:57,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 08:53:57,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 08:53:57,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:57,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:57,047 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:57,059 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 08:53:57,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:57,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:57,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:57,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:57,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:57,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:57,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 08:53:57,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 08:53:57,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 08:53:57,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 08:53:57,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (1/1) ... [2024-10-14 08:53:57,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:53:57,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 08:53:57,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 08:53:57,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 08:53:57,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 08:53:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 08:53:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 08:53:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 08:53:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 08:53:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 08:53:57,243 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 08:53:57,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 08:53:57,585 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-14 08:53:57,586 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 08:53:57,628 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 08:53:57,628 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 08:53:57,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:53:57 BoogieIcfgContainer [2024-10-14 08:53:57,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 08:53:57,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 08:53:57,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 08:53:57,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 08:53:57,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:53:56" (1/3) ... [2024-10-14 08:53:57,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e728d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:53:57, skipping insertion in model container [2024-10-14 08:53:57,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:53:56" (2/3) ... [2024-10-14 08:53:57,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e728d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:53:57, skipping insertion in model container [2024-10-14 08:53:57,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:53:57" (3/3) ... [2024-10-14 08:53:57,637 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-45.i [2024-10-14 08:53:57,650 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 08:53:57,650 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 08:53:57,700 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 08:53:57,707 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;@67e4af3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 08:53:57,707 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 08:53:57,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 58 states have internal predecessors, (81), 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) [2024-10-14 08:53:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-14 08:53:57,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:53:57,728 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, 1, 1, 1] [2024-10-14 08:53:57,729 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:53:57,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:53:57,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1413274429, now seen corresponding path program 1 times [2024-10-14 08:53:57,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:53:57,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416112662] [2024-10-14 08:53:57,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:53:57,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:53:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:53:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:53:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:53:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:53:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:53:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:53:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:53:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:53:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:53:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:53:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:53:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:53:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:53:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:53:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:53:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:53:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:53:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:53:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:53:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 08:53:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 08:53:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 08:53:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:53:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 08:53:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:53:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 08:53:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:53:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 08:53:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 08:53:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 08:53:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 08:53:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 08:53:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 08:53:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:53:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 08:53:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:53:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 08:53:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:53:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 08:53:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:53:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-14 08:53:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-14 08:53:58,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:53:58,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416112662] [2024-10-14 08:53:58,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416112662] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:53:58,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:53:58,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 08:53:58,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010365438] [2024-10-14 08:53:58,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:53:58,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 08:53:58,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:53:58,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 08:53:58,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:53:58,282 INFO L87 Difference]: Start difference. First operand has 101 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 58 states have internal predecessors, (81), 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 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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) [2024-10-14 08:53:58,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:53:58,380 INFO L93 Difference]: Finished difference Result 199 states and 365 transitions. [2024-10-14 08:53:58,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 08:53:58,385 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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 251 [2024-10-14 08:53:58,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:53:58,424 INFO L225 Difference]: With dead ends: 199 [2024-10-14 08:53:58,424 INFO L226 Difference]: Without dead ends: 99 [2024-10-14 08:53:58,431 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 [2024-10-14 08:53:58,439 INFO L432 NwaCegarLoop]: 155 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, 155 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 [2024-10-14 08:53:58,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:53:58,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-10-14 08:53:58,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-10-14 08:53:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 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) [2024-10-14 08:53:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 158 transitions. [2024-10-14 08:53:58,529 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 158 transitions. Word has length 251 [2024-10-14 08:53:58,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:53:58,530 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 158 transitions. [2024-10-14 08:53:58,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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) [2024-10-14 08:53:58,531 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 158 transitions. [2024-10-14 08:53:58,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-14 08:53:58,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:53:58,535 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, 1, 1, 1] [2024-10-14 08:53:58,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 08:53:58,536 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:53:58,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:53:58,537 INFO L85 PathProgramCache]: Analyzing trace with hash -880688781, now seen corresponding path program 1 times [2024-10-14 08:53:58,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:53:58,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649085566] [2024-10-14 08:53:58,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:53:58,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:53:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:53:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:53:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:53:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:53:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:53:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:53:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:53:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:53:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:53:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:53:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:53:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:53:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:53:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:53:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:53:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:53:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:53:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:53:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:53:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 08:53:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 08:53:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 08:53:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:53:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 08:53:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:53:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 08:53:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:53:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 08:53:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 08:53:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:58,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 08:53:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 08:53:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 08:53:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 08:53:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:53:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 08:53:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:53:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 08:53:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:53:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 08:53:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:53:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-14 08:53:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-14 08:53:59,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:53:59,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649085566] [2024-10-14 08:53:59,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649085566] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:53:59,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:53:59,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 08:53:59,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842802665] [2024-10-14 08:53:59,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:53:59,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 08:53:59,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:53:59,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 08:53:59,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:53:59,071 INFO L87 Difference]: Start difference. First operand 99 states and 158 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-10-14 08:53:59,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:53:59,154 INFO L93 Difference]: Finished difference Result 252 states and 401 transitions. [2024-10-14 08:53:59,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 08:53:59,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 251 [2024-10-14 08:53:59,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:53:59,158 INFO L225 Difference]: With dead ends: 252 [2024-10-14 08:53:59,158 INFO L226 Difference]: Without dead ends: 154 [2024-10-14 08:53:59,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:53:59,160 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 87 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:53:59,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 334 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:53:59,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-14 08:53:59,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151. [2024-10-14 08:53:59,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 92 states have internal predecessors, (127), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-14 08:53:59,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 241 transitions. [2024-10-14 08:53:59,193 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 241 transitions. Word has length 251 [2024-10-14 08:53:59,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:53:59,194 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 241 transitions. [2024-10-14 08:53:59,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-10-14 08:53:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 241 transitions. [2024-10-14 08:53:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-10-14 08:53:59,201 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:53:59,201 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, 1, 1, 1] [2024-10-14 08:53:59,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 08:53:59,202 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:53:59,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:53:59,204 INFO L85 PathProgramCache]: Analyzing trace with hash -457986955, now seen corresponding path program 1 times [2024-10-14 08:53:59,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:53:59,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943326765] [2024-10-14 08:53:59,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:53:59,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:53:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:53:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:53:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:53:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:53:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:53:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:53:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:53:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:53:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:53:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:53:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:53:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:53:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:53:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:53:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:53:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:53:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:53:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:53:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:53:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 08:53:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 08:53:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 08:53:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:53:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 08:53:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:53:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 08:53:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:53:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 08:53:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 08:53:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 08:53:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 08:53:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 08:53:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 08:53:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:53:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 08:53:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:53:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 08:53:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:53:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 08:53:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:53:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-14 08:53:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-14 08:53:59,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:53:59,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943326765] [2024-10-14 08:53:59,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943326765] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:53:59,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:53:59,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 08:53:59,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366010968] [2024-10-14 08:53:59,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:53:59,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 08:53:59,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:53:59,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 08:53:59,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:53:59,487 INFO L87 Difference]: Start difference. First operand 151 states and 241 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-10-14 08:53:59,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:53:59,566 INFO L93 Difference]: Finished difference Result 445 states and 709 transitions. [2024-10-14 08:53:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 08:53:59,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 251 [2024-10-14 08:53:59,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:53:59,573 INFO L225 Difference]: With dead ends: 445 [2024-10-14 08:53:59,574 INFO L226 Difference]: Without dead ends: 295 [2024-10-14 08:53:59,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:53:59,577 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 147 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:53:59,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 306 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:53:59,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-10-14 08:53:59,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 293. [2024-10-14 08:53:59,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 174 states have (on average 1.3448275862068966) internal successors, (234), 176 states have internal predecessors, (234), 114 states have call successors, (114), 4 states have call predecessors, (114), 4 states have return successors, (114), 112 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-14 08:53:59,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 462 transitions. [2024-10-14 08:53:59,641 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 462 transitions. Word has length 251 [2024-10-14 08:53:59,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:53:59,642 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 462 transitions. [2024-10-14 08:53:59,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2024-10-14 08:53:59,645 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 462 transitions. [2024-10-14 08:53:59,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-10-14 08:53:59,648 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:53:59,650 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, 1, 1, 1, 1] [2024-10-14 08:53:59,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 08:53:59,651 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:53:59,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:53:59,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1636869606, now seen corresponding path program 1 times [2024-10-14 08:53:59,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:53:59,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8836409] [2024-10-14 08:53:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:53:59,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:53:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:53:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 08:53:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 08:53:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 08:53:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 08:53:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 08:53:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 08:53:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 08:53:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 08:53:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 08:53:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 08:53:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 08:53:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 08:53:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 08:53:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 08:53:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 08:53:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 08:53:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 08:53:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:53:59,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 08:53:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 08:54:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 08:54:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 08:54:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:54:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 08:54:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:54:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 08:54:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:54:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 08:54:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 08:54:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 08:54:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 08:54:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 08:54:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-14 08:54:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:54:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-14 08:54:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:54:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 08:54:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:54:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 08:54:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:54:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-14 08:54:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:54:00,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-10-14 08:54:00,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:54:00,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8836409] [2024-10-14 08:54:00,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8836409] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:54:00,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:54:00,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 08:54:00,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621856810] [2024-10-14 08:54:00,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:54:00,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 08:54:00,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:54:00,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 08:54:00,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:54:00,076 INFO L87 Difference]: Start difference. First operand 293 states and 462 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-10-14 08:54:00,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:54:00,142 INFO L93 Difference]: Finished difference Result 877 states and 1384 transitions. [2024-10-14 08:54:00,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 08:54:00,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 252 [2024-10-14 08:54:00,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:54:00,149 INFO L225 Difference]: With dead ends: 877 [2024-10-14 08:54:00,149 INFO L226 Difference]: Without dead ends: 585 [2024-10-14 08:54:00,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:54:00,153 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 82 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:54:00,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 303 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:54:00,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-10-14 08:54:00,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 581. [2024-10-14 08:54:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 344 states have (on average 1.3313953488372092) internal successors, (458), 348 states have internal predecessors, (458), 228 states have call successors, (228), 8 states have call predecessors, (228), 8 states have return successors, (228), 224 states have call predecessors, (228), 228 states have call successors, (228) [2024-10-14 08:54:00,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 914 transitions. [2024-10-14 08:54:00,226 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 914 transitions. Word has length 252 [2024-10-14 08:54:00,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:54:00,227 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 914 transitions. [2024-10-14 08:54:00,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-10-14 08:54:00,227 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 914 transitions. [2024-10-14 08:54:00,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-10-14 08:54:00,229 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:54:00,229 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, 1, 1, 1, 1] [2024-10-14 08:54:00,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 08:54:00,230 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:54:00,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:54:00,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1637029336, now seen corresponding path program 1 times [2024-10-14 08:54:00,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:54:00,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104400397] [2024-10-14 08:54:00,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:54:00,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:54:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat