./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_fillercodestructure_filler-ps-co_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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_fillercodestructure_filler-ps-co_file-10.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 8880bc6b55ab6b26a36a9709c52577c78f4355aea8bee56c9643da00ec93f3ee --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:00:26,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:00:26,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 03:00:26,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:00:26,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:00:26,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:00:26,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:00:26,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:00:26,411 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:00:26,412 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:00:26,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:00:26,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:00:26,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:00:26,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:00:26,417 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:00:26,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:00:26,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:00:26,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:00:26,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 03:00:26,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:00:26,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:00:26,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:00:26,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:00:26,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:00:26,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:00:26,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:00:26,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:00:26,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:00:26,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:00:26,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:00:26,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:00:26,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:00:26,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:00:26,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:00:26,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:00:26,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:00:26,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 03:00:26,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 03:00:26,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:00:26,430 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:00:26,430 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:00:26,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:00:26,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8880bc6b55ab6b26a36a9709c52577c78f4355aea8bee56c9643da00ec93f3ee [2024-10-13 03:00:26,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:00:26,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:00:26,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:00:26,750 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:00:26,751 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:00:26,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i [2024-10-13 03:00:28,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:00:28,405 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:00:28,406 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i [2024-10-13 03:00:28,428 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9ad8d1e/ba5ba6c1b88a4de9a852f4846eb280da/FLAG2bc232953 [2024-10-13 03:00:28,759 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f9ad8d1e/ba5ba6c1b88a4de9a852f4846eb280da [2024-10-13 03:00:28,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:00:28,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:00:28,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:00:28,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:00:28,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:00:28,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:00:28" (1/1) ... [2024-10-13 03:00:28,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb2dd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:28, skipping insertion in model container [2024-10-13 03:00:28,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:00:28" (1/1) ... [2024-10-13 03:00:28,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:00:28,981 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_fillercodestructure_filler-ps-co_file-10.i[919,932] [2024-10-13 03:00:29,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:00:29,116 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:00:29,129 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_fillercodestructure_filler-ps-co_file-10.i[919,932] [2024-10-13 03:00:29,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:00:29,198 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:00:29,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29 WrapperNode [2024-10-13 03:00:29,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:00:29,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:00:29,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:00:29,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:00:29,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (1/1) ... [2024-10-13 03:00:29,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (1/1) ... [2024-10-13 03:00:29,289 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 318 [2024-10-13 03:00:29,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:00:29,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:00:29,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:00:29,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:00:29,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (1/1) ... [2024-10-13 03:00:29,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (1/1) ... [2024-10-13 03:00:29,313 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (1/1) ... [2024-10-13 03:00:29,343 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]. [2024-10-13 03:00:29,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (1/1) ... [2024-10-13 03:00:29,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (1/1) ... [2024-10-13 03:00:29,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (1/1) ... [2024-10-13 03:00:29,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (1/1) ... [2024-10-13 03:00:29,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (1/1) ... [2024-10-13 03:00:29,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (1/1) ... [2024-10-13 03:00:29,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:00:29,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:00:29,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:00:29,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:00:29,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (1/1) ... [2024-10-13 03:00:29,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:00:29,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:00:29,467 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) [2024-10-13 03:00:29,472 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 [2024-10-13 03:00:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:00:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:00:29,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:00:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 03:00:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:00:29,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:00:29,653 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:00:29,655 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:00:30,224 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-10-13 03:00:30,225 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:00:30,261 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:00:30,261 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:00:30,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:00:30 BoogieIcfgContainer [2024-10-13 03:00:30,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:00:30,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:00:30,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:00:30,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:00:30,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:00:28" (1/3) ... [2024-10-13 03:00:30,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236e1dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:00:30, skipping insertion in model container [2024-10-13 03:00:30,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:00:29" (2/3) ... [2024-10-13 03:00:30,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236e1dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:00:30, skipping insertion in model container [2024-10-13 03:00:30,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:00:30" (3/3) ... [2024-10-13 03:00:30,274 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-10.i [2024-10-13 03:00:30,293 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:00:30,293 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:00:30,379 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:00:30,385 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;@1c4630cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:00:30,386 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:00:30,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 89 states have internal predecessors, (128), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-13 03:00:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-10-13 03:00:30,415 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:00:30,416 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:00:30,417 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:00:30,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:00:30,423 INFO L85 PathProgramCache]: Analyzing trace with hash 699689785, now seen corresponding path program 1 times [2024-10-13 03:00:30,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:00:30,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731915286] [2024-10-13 03:00:30,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:00:30,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:00:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:00:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:00:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:00:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:00:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:00:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:00:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:00:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:00:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:00:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:00:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:00:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:00:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:00:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:00:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:00:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:00:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:00:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:00:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:00:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:00:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:00:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:00:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:30,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:00:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:00:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 03:00:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 03:00:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 03:00:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 03:00:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 03:00:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 03:00:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 03:00:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 03:00:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 03:00:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 03:00:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 03:00:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 03:00:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 03:00:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 03:00:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 03:00:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 03:00:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 03:00:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 03:00:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-13 03:00:31,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:00:31,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731915286] [2024-10-13 03:00:31,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731915286] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:00:31,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:00:31,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 03:00:31,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159801898] [2024-10-13 03:00:31,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:00:31,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 03:00:31,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:00:31,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 03:00:31,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:00:31,159 INFO L87 Difference]: Start difference. First operand has 133 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 89 states have internal predecessors, (128), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-13 03:00:31,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:00:31,231 INFO L93 Difference]: Finished difference Result 263 states and 464 transitions. [2024-10-13 03:00:31,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 03:00:31,235 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 259 [2024-10-13 03:00:31,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:00:31,246 INFO L225 Difference]: With dead ends: 263 [2024-10-13 03:00:31,247 INFO L226 Difference]: Without dead ends: 131 [2024-10-13 03:00:31,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:00:31,260 INFO L432 NwaCegarLoop]: 204 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, 204 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 [2024-10-13 03:00:31,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 204 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:00:31,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-13 03:00:31,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-10-13 03:00:31,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 87 states have (on average 1.4137931034482758) internal successors, (123), 87 states have internal predecessors, (123), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-13 03:00:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 207 transitions. [2024-10-13 03:00:31,337 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 207 transitions. Word has length 259 [2024-10-13 03:00:31,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:00:31,337 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 207 transitions. [2024-10-13 03:00:31,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-13 03:00:31,338 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 207 transitions. [2024-10-13 03:00:31,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-10-13 03:00:31,344 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:00:31,344 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:00:31,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 03:00:31,344 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:00:31,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:00:31,345 INFO L85 PathProgramCache]: Analyzing trace with hash 764611057, now seen corresponding path program 1 times [2024-10-13 03:00:31,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:00:31,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697857525] [2024-10-13 03:00:31,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:00:31,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:00:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:00:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:00:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:00:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:00:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:00:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:00:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:00:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:00:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:00:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:31,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:00:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:00:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:00:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:00:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:00:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:00:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:00:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:00:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:00:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:00:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:00:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:00:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:00:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:00:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:00:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 03:00:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 03:00:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 03:00:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 03:00:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 03:00:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 03:00:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 03:00:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 03:00:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 03:00:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 03:00:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 03:00:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 03:00:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 03:00:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 03:00:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 03:00:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 03:00:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 03:00:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 03:00:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-13 03:00:32,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:00:32,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697857525] [2024-10-13 03:00:32,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697857525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:00:32,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:00:32,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:00:32,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433310902] [2024-10-13 03:00:32,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:00:32,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:00:32,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:00:32,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:00:32,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:00:32,194 INFO L87 Difference]: Start difference. First operand 131 states and 207 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-13 03:00:32,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:00:32,292 INFO L93 Difference]: Finished difference Result 361 states and 575 transitions. [2024-10-13 03:00:32,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:00:32,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 259 [2024-10-13 03:00:32,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:00:32,298 INFO L225 Difference]: With dead ends: 361 [2024-10-13 03:00:32,301 INFO L226 Difference]: Without dead ends: 231 [2024-10-13 03:00:32,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:00:32,303 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 91 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:00:32,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 393 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:00:32,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-10-13 03:00:32,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 211. [2024-10-13 03:00:32,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 124 states have (on average 1.3387096774193548) internal successors, (166), 124 states have internal predecessors, (166), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-13 03:00:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 334 transitions. [2024-10-13 03:00:32,355 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 334 transitions. Word has length 259 [2024-10-13 03:00:32,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:00:32,358 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 334 transitions. [2024-10-13 03:00:32,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-13 03:00:32,358 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 334 transitions. [2024-10-13 03:00:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-10-13 03:00:32,362 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:00:32,362 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:00:32,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 03:00:32,363 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:00:32,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:00:32,364 INFO L85 PathProgramCache]: Analyzing trace with hash -821972559, now seen corresponding path program 1 times [2024-10-13 03:00:32,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:00:32,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137894765] [2024-10-13 03:00:32,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:00:32,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:00:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:00:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:00:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:00:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:00:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:00:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:00:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:00:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:00:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:00:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:00:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:00:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:00:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:00:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:00:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:00:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:00:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:00:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:00:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:00:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:00:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:00:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:00:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:00:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:00:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 03:00:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 03:00:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 03:00:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 03:00:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 03:00:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 03:00:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 03:00:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 03:00:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 03:00:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 03:00:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 03:00:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 03:00:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 03:00:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 03:00:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 03:00:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 03:00:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 03:00:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 03:00:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:00:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-13 03:00:32,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:00:32,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137894765] [2024-10-13 03:00:32,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137894765] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:00:32,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:00:32,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:00:32,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642598071] [2024-10-13 03:00:32,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:00:32,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:00:32,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:00:32,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:00:32,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:00:32,920 INFO L87 Difference]: Start difference. First operand 211 states and 334 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-13 03:00:33,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:00:33,181 INFO L93 Difference]: Finished difference Result 392 states and 617 transitions. [2024-10-13 03:00:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:00:33,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 259 [2024-10-13 03:00:33,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:00:33,188 INFO L225 Difference]: With dead ends: 392 [2024-10-13 03:00:33,190 INFO L226 Difference]: Without dead ends: 262 [2024-10-13 03:00:33,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:00:33,192 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 160 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:00:33,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 590 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:00:33,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-10-13 03:00:33,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 229. [2024-10-13 03:00:33,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 142 states have (on average 1.3661971830985915) internal successors, (194), 142 states have internal predecessors, (194), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-13 03:00:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 362 transitions. [2024-10-13 03:00:33,271 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 362 transitions. Word has length 259 [2024-10-13 03:00:33,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:00:33,273 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 362 transitions. [2024-10-13 03:00:33,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-13 03:00:33,273 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 362 transitions. [2024-10-13 03:00:33,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-13 03:00:33,279 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:00:33,279 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:00:33,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 03:00:33,284 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:00:33,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:00:33,284 INFO L85 PathProgramCache]: Analyzing trace with hash 247794240, now seen corresponding path program 1 times [2024-10-13 03:00:33,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:00:33,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945216243] [2024-10-13 03:00:33,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:00:33,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:00:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:01:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:01:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:01:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:01:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:01:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:01:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:01:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:01:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:01:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:01:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:01:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:01:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:01:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:01:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:01:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:01:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:01:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:01:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:01:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:01:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:01:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:01:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:01:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:01:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 03:01:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 03:01:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 03:01:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 03:01:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 03:01:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 03:01:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 03:01:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 03:01:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 03:01:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 03:01:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 03:01:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 03:01:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 03:01:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 03:01:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 03:01:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 03:01:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 03:01:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 03:01:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-13 03:01:17,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:01:17,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945216243] [2024-10-13 03:01:17,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945216243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:01:17,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:01:17,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-13 03:01:17,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303271380] [2024-10-13 03:01:17,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:01:17,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-13 03:01:17,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:01:17,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-13 03:01:17,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-10-13 03:01:17,888 INFO L87 Difference]: Start difference. First operand 229 states and 362 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-10-13 03:01:23,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:01:23,024 INFO L93 Difference]: Finished difference Result 628 states and 955 transitions. [2024-10-13 03:01:23,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 03:01:23,025 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 260 [2024-10-13 03:01:23,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:01:23,032 INFO L225 Difference]: With dead ends: 628 [2024-10-13 03:01:23,032 INFO L226 Difference]: Without dead ends: 498 [2024-10-13 03:01:23,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=250, Invalid=872, Unknown=0, NotChecked=0, Total=1122 [2024-10-13 03:01:23,038 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 1114 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 1887 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 2074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-13 03:01:23,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 1379 Invalid, 2074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1887 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-13 03:01:23,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-10-13 03:01:23,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 368. [2024-10-13 03:01:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 233 states have (on average 1.3175965665236051) internal successors, (307), 234 states have internal predecessors, (307), 126 states have call successors, (126), 8 states have call predecessors, (126), 8 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-13 03:01:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 559 transitions. [2024-10-13 03:01:23,101 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 559 transitions. Word has length 260 [2024-10-13 03:01:23,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:01:23,102 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 559 transitions. [2024-10-13 03:01:23,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 3 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-10-13 03:01:23,103 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 559 transitions. [2024-10-13 03:01:23,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-13 03:01:23,106 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:01:23,106 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:01:23,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 03:01:23,108 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:01:23,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:01:23,109 INFO L85 PathProgramCache]: Analyzing trace with hash -269358784, now seen corresponding path program 1 times [2024-10-13 03:01:23,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:01:23,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732546258] [2024-10-13 03:01:23,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:01:23,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:01:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:01:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:01:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:01:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:01:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:01:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:01:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:01:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:01:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:01:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:01:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:01:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:01:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:01:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:01:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:01:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:01:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:01:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:01:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:01:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:01:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:01:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:01:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:01:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:01:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 03:01:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 03:01:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 03:01:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 03:01:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 03:01:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 03:01:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 03:01:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 03:01:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 03:01:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 03:01:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 03:01:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 03:01:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 03:01:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 03:01:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-13 03:01:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 03:01:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-13 03:01:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-13 03:01:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:01:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-13 03:01:36,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:01:36,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732546258] [2024-10-13 03:01:36,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732546258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:01:36,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:01:36,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-13 03:01:36,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082442114] [2024-10-13 03:01:36,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:01:36,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 03:01:36,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:01:36,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 03:01:36,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-10-13 03:01:36,409 INFO L87 Difference]: Start difference. First operand 368 states and 559 transitions. Second operand has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-13 03:01:38,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:01:38,948 INFO L93 Difference]: Finished difference Result 864 states and 1289 transitions. [2024-10-13 03:01:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 03:01:38,948 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 260 [2024-10-13 03:01:38,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:01:38,953 INFO L225 Difference]: With dead ends: 864 [2024-10-13 03:01:38,953 INFO L226 Difference]: Without dead ends: 574 [2024-10-13 03:01:38,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2024-10-13 03:01:38,956 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 775 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 775 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 03:01:38,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [775 Valid, 1249 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 03:01:38,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-10-13 03:01:39,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 440. [2024-10-13 03:01:39,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 305 states have (on average 1.360655737704918) internal successors, (415), 305 states have internal predecessors, (415), 126 states have call successors, (126), 8 states have call predecessors, (126), 8 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-13 03:01:39,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 667 transitions. [2024-10-13 03:01:39,008 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 667 transitions. Word has length 260 [2024-10-13 03:01:39,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:01:39,012 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 667 transitions. [2024-10-13 03:01:39,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 14 states have internal predecessors, (53), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-13 03:01:39,013 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 667 transitions. [2024-10-13 03:01:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-13 03:01:39,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:01:39,017 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:01:39,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 03:01:39,018 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:01:39,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:01:39,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1078705410, now seen corresponding path program 1 times [2024-10-13 03:01:39,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:01:39,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226181677] [2024-10-13 03:01:39,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:01:39,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:01:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat