./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-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-?-c7c6ca5-m [2024-11-08 20:58:55,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 20:58:55,217 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 20:58:55,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 20:58:55,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 20:58:55,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 20:58:55,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 20:58:55,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 20:58:55,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 20:58:55,248 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 20:58:55,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 20:58:55,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 20:58:55,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 20:58:55,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 20:58:55,249 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 20:58:55,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 20:58:55,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 20:58:55,251 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 20:58:55,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 20:58:55,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 20:58:55,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 20:58:55,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 20:58:55,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 20:58:55,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 20:58:55,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 20:58:55,254 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 20:58:55,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 20:58:55,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 20:58:55,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 20:58:55,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 20:58:55,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 20:58:55,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 20:58:55,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:58:55,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 20:58:55,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 20:58:55,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 20:58:55,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 20:58:55,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 20:58:55,256 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 20:58:55,257 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 20:58:55,257 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 20:58:55,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 20:58:55,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3c6b69598e12a8964c97c957d1e8ad33abec465af98c95276a8354401884a2e [2024-11-08 20:58:55,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 20:58:55,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 20:58:55,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 20:58:55,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 20:58:55,560 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 20:58:55,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-45.i [2024-11-08 20:58:56,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 20:58:57,165 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 20:58:57,166 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-45.i [2024-11-08 20:58:57,177 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/854e2496d/b975123d36c649e9b9a73efc9ecff28a/FLAG9a1a1e68f [2024-11-08 20:58:57,191 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/854e2496d/b975123d36c649e9b9a73efc9ecff28a [2024-11-08 20:58:57,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 20:58:57,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 20:58:57,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 20:58:57,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 20:58:57,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 20:58:57,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa168a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57, skipping insertion in model container [2024-11-08 20:58:57,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 20:58:57,374 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-45.i[915,928] [2024-11-08 20:58:57,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:58:57,443 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 20:58:57,453 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-45.i[915,928] [2024-11-08 20:58:57,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:58:57,518 INFO L204 MainTranslator]: Completed translation [2024-11-08 20:58:57,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57 WrapperNode [2024-11-08 20:58:57,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 20:58:57,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 20:58:57,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 20:58:57,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 20:58:57,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,585 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239 [2024-11-08 20:58:57,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 20:58:57,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 20:58:57,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 20:58:57,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 20:58:57,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,617 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 20:58:57,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 20:58:57,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 20:58:57,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 20:58:57,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 20:58:57,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (1/1) ... [2024-11-08 20:58:57,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:58:57,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 20:58:57,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 20:58:57,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 20:58:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 20:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 20:58:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 20:58:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 20:58:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 20:58:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 20:58:57,808 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 20:58:57,813 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 20:58:58,131 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 20:58:58,131 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 20:58:58,146 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 20:58:58,147 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 20:58:58,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:58:58 BoogieIcfgContainer [2024-11-08 20:58:58,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 20:58:58,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 20:58:58,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 20:58:58,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 20:58:58,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 08:58:57" (1/3) ... [2024-11-08 20:58:58,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186305d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:58:58, skipping insertion in model container [2024-11-08 20:58:58,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:58:57" (2/3) ... [2024-11-08 20:58:58,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186305d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:58:58, skipping insertion in model container [2024-11-08 20:58:58,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:58:58" (3/3) ... [2024-11-08 20:58:58,154 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-45.i [2024-11-08 20:58:58,165 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 20:58:58,165 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 20:58:58,222 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 20:58:58,232 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;@71825837, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 20:58:58,233 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 20:58:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 63 states have (on average 1.380952380952381) internal successors, (87), 64 states have internal predecessors, (87), 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) [2024-11-08 20:58:58,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-08 20:58:58,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:58:58,251 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, 1, 1, 1] [2024-11-08 20:58:58,251 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:58:58,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:58:58,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1194115112, now seen corresponding path program 1 times [2024-11-08 20:58:58,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:58:58,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650233737] [2024-11-08 20:58:58,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:58:58,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:58:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:58:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:58:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:58:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:58:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:58:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:58:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:58:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:58:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:58:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:58:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:58:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:58:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:58:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:58:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:58:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:58:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:58:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:58:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:58:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 20:58:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:58:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:58:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 20:58:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:58:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 20:58:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:58:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 20:58:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 20:58:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 20:58:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 20:58:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 20:58:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 20:58:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 20:58:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 20:58:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 20:58:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 20:58:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 20:58:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 20:58:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 20:58:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 20:58:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 20:58:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:58,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 20:58:58,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:58:58,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650233737] [2024-11-08 20:58:58,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650233737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:58:58,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:58:58,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 20:58:58,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419300556] [2024-11-08 20:58:58,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:58:58,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 20:58:58,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:58:58,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 20:58:58,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:58:58,766 INFO L87 Difference]: Start difference. First operand has 107 states, 63 states have (on average 1.380952380952381) internal successors, (87), 64 states have internal predecessors, (87), 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 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2024-11-08 20:58:58,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:58:58,794 INFO L93 Difference]: Finished difference Result 207 states and 373 transitions. [2024-11-08 20:58:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 20:58:58,796 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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 255 [2024-11-08 20:58:58,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:58:58,802 INFO L225 Difference]: With dead ends: 207 [2024-11-08 20:58:58,802 INFO L226 Difference]: Without dead ends: 103 [2024-11-08 20:58:58,806 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 [2024-11-08 20:58:58,809 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:58:58,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:58:58,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-08 20:58:58,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-08 20:58:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 60 states have internal predecessors, (80), 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) [2024-11-08 20:58:58,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 162 transitions. [2024-11-08 20:58:58,851 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 162 transitions. Word has length 255 [2024-11-08 20:58:58,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:58:58,851 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 162 transitions. [2024-11-08 20:58:58,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2024-11-08 20:58:58,852 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2024-11-08 20:58:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-08 20:58:58,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:58:58,857 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, 1, 1, 1] [2024-11-08 20:58:58,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 20:58:58,857 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:58:58,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:58:58,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1199267662, now seen corresponding path program 1 times [2024-11-08 20:58:58,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:58:58,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096606106] [2024-11-08 20:58:58,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:58:58,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:58:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:58:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:58:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:58:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:58:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:58:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:58:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:58:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:58:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:58:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:58:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:58:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:58:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:58:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:58:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:58:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:58:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:58:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:58:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:58:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 20:58:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:58:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:58:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 20:58:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:58:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 20:58:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:58:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 20:58:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 20:58:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 20:58:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 20:58:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 20:58:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 20:58:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 20:58:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 20:58:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 20:58:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 20:58:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 20:58:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 20:58:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 20:58:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 20:58:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 20:58:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 20:58:59,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:58:59,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096606106] [2024-11-08 20:58:59,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096606106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:58:59,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:58:59,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 20:58:59,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501730391] [2024-11-08 20:58:59,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:58:59,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 20:58:59,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:58:59,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 20:58:59,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:58:59,239 INFO L87 Difference]: Start difference. First operand 103 states and 162 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-11-08 20:58:59,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:58:59,288 INFO L93 Difference]: Finished difference Result 260 states and 409 transitions. [2024-11-08 20:58:59,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 20:58:59,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 255 [2024-11-08 20:58:59,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:58:59,293 INFO L225 Difference]: With dead ends: 260 [2024-11-08 20:58:59,293 INFO L226 Difference]: Without dead ends: 160 [2024-11-08 20:58:59,294 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 [2024-11-08 20:58:59,297 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 91 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:58:59,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 347 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:58:59,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-08 20:58:59,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 157. [2024-11-08 20:58:59,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 98 states have internal predecessors, (133), 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) [2024-11-08 20:58:59,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 247 transitions. [2024-11-08 20:58:59,325 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 247 transitions. Word has length 255 [2024-11-08 20:58:59,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:58:59,327 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 247 transitions. [2024-11-08 20:58:59,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-11-08 20:58:59,327 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 247 transitions. [2024-11-08 20:58:59,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-08 20:58:59,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:58:59,333 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, 1, 1, 1] [2024-11-08 20:58:59,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 20:58:59,334 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:58:59,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:58:59,335 INFO L85 PathProgramCache]: Analyzing trace with hash -980412944, now seen corresponding path program 1 times [2024-11-08 20:58:59,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:58:59,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917114187] [2024-11-08 20:58:59,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:58:59,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:58:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:58:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:58:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:58:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:58:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:58:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:58:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:58:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:58:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:58:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:58:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:58:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:58:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:58:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:58:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:58:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:58:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:58:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:58:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:58:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 20:58:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:58:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:58:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 20:58:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:58:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 20:58:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:58:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 20:58:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 20:58:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 20:58:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 20:58:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 20:58:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 20:58:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 20:58:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 20:58:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 20:58:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 20:58:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 20:58:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 20:58:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 20:58:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 20:58:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 20:58:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:58:59,592 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 20:58:59,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:58:59,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917114187] [2024-11-08 20:58:59,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917114187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:58:59,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:58:59,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 20:58:59,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680021395] [2024-11-08 20:58:59,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:58:59,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 20:58:59,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:58:59,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 20:58:59,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:58:59,598 INFO L87 Difference]: Start difference. First operand 157 states and 247 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-11-08 20:58:59,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:58:59,672 INFO L93 Difference]: Finished difference Result 459 states and 723 transitions. [2024-11-08 20:58:59,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 20:58:59,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 255 [2024-11-08 20:58:59,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:58:59,686 INFO L225 Difference]: With dead ends: 459 [2024-11-08 20:58:59,686 INFO L226 Difference]: Without dead ends: 305 [2024-11-08 20:58:59,687 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 [2024-11-08 20:58:59,691 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 151 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:58:59,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 317 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:58:59,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-08 20:58:59,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 303. [2024-11-08 20:58:59,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 184 states have (on average 1.326086956521739) internal successors, (244), 186 states have internal predecessors, (244), 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) [2024-11-08 20:58:59,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 472 transitions. [2024-11-08 20:58:59,767 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 472 transitions. Word has length 255 [2024-11-08 20:58:59,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:58:59,767 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 472 transitions. [2024-11-08 20:58:59,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2024-11-08 20:58:59,768 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 472 transitions. [2024-11-08 20:58:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-08 20:58:59,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:58:59,774 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, 1, 1, 1, 1] [2024-11-08 20:58:59,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 20:58:59,775 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:58:59,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:58:59,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1014299505, now seen corresponding path program 1 times [2024-11-08 20:58:59,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:58:59,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018056544] [2024-11-08 20:58:59,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:58:59,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:58:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:59:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:59:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:59:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:59:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:59:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:59:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:59:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:59:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:59:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:59:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:59:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:59:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:59:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:59:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:59:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:59:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:59:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:59:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:59:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 20:59:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:59:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:59:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 20:59:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:59:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-08 20:59:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:59:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 20:59:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-08 20:59:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-08 20:59:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 20:59:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 20:59:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-08 20:59:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-08 20:59:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-08 20:59:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-08 20:59:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-08 20:59:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-08 20:59:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-08 20:59:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 20:59:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-08 20:59:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-08 20:59:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:59:00,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-08 20:59:00,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:59:00,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018056544] [2024-11-08 20:59:00,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018056544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:59:00,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:59:00,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 20:59:00,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115867512] [2024-11-08 20:59:00,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:59:00,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 20:59:00,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:59:00,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 20:59:00,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 20:59:00,317 INFO L87 Difference]: Start difference. First operand 303 states and 472 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-08 20:59:00,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:59:00,363 INFO L93 Difference]: Finished difference Result 903 states and 1410 transitions. [2024-11-08 20:59:00,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 20:59:00,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 256 [2024-11-08 20:59:00,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:59:00,369 INFO L225 Difference]: With dead ends: 903 [2024-11-08 20:59:00,370 INFO L226 Difference]: Without dead ends: 603 [2024-11-08 20:59:00,372 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 [2024-11-08 20:59:00,373 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 83 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:59:00,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 314 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:59:00,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-08 20:59:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 599. [2024-11-08 20:59:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 362 states have (on average 1.3149171270718232) internal successors, (476), 366 states have internal predecessors, (476), 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) [2024-11-08 20:59:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 932 transitions. [2024-11-08 20:59:00,452 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 932 transitions. Word has length 256 [2024-11-08 20:59:00,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:59:00,452 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 932 transitions. [2024-11-08 20:59:00,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-08 20:59:00,452 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 932 transitions. [2024-11-08 20:59:00,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-08 20:59:00,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:59:00,456 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, 1, 1, 1, 1] [2024-11-08 20:59:00,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 20:59:00,456 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:59:00,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:59:00,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1692319889, now seen corresponding path program 1 times [2024-11-08 20:59:00,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:59:00,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412876523] [2024-11-08 20:59:00,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:59:00,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:59:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat