./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-56.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-56.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 1294b8a15f94b3cb1e5cc1cab22125a388a743f77b9c1cf279de0f76ef77494d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:06:04,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:06:04,951 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 03:06:04,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:06:04,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:06:04,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:06:04,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:06:04,988 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:06:04,988 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:06:04,988 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:06:04,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:06:04,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:06:04,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:06:04,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:06:04,992 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:06:04,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:06:04,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:06:04,993 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:06:04,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 03:06:04,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:06:04,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:06:04,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:06:04,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:06:04,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:06:04,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:06:04,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:06:04,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:06:04,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:06:04,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:06:04,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:06:04,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:06:04,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:06:04,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:06:04,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:06:04,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:06:04,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:06:04,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 03:06:04,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 03:06:04,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:06:05,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:06:05,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:06:05,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:06:05,005 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1294b8a15f94b3cb1e5cc1cab22125a388a743f77b9c1cf279de0f76ef77494d [2024-10-13 03:06:05,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:06:05,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:06:05,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:06:05,281 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:06:05,282 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:06:05,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i [2024-10-13 03:06:06,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:06:06,942 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:06:06,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i [2024-10-13 03:06:06,952 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c00a94864/9909a8b460544f4ebce84d6fd5dd9912/FLAG65c2e9172 [2024-10-13 03:06:06,976 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c00a94864/9909a8b460544f4ebce84d6fd5dd9912 [2024-10-13 03:06:06,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:06:06,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:06:06,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:06:06,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:06:06,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:06:06,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:06:06" (1/1) ... [2024-10-13 03:06:06,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2b719e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:06, skipping insertion in model container [2024-10-13 03:06:06,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:06:06" (1/1) ... [2024-10-13 03:06:07,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:06:07,278 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-56.i[919,932] [2024-10-13 03:06:07,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:06:07,445 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:06:07,454 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-56.i[919,932] [2024-10-13 03:06:07,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:06:07,498 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:06:07,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07 WrapperNode [2024-10-13 03:06:07,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:06:07,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:06:07,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:06:07,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:06:07,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (1/1) ... [2024-10-13 03:06:07,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (1/1) ... [2024-10-13 03:06:07,625 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2024-10-13 03:06:07,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:06:07,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:06:07,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:06:07,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:06:07,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (1/1) ... [2024-10-13 03:06:07,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (1/1) ... [2024-10-13 03:06:07,647 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (1/1) ... [2024-10-13 03:06:07,690 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 03:06:07,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (1/1) ... [2024-10-13 03:06:07,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (1/1) ... [2024-10-13 03:06:07,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (1/1) ... [2024-10-13 03:06:07,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (1/1) ... [2024-10-13 03:06:07,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (1/1) ... [2024-10-13 03:06:07,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (1/1) ... [2024-10-13 03:06:07,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:06:07,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:06:07,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:06:07,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:06:07,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (1/1) ... [2024-10-13 03:06:07,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:06:07,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:06:07,768 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 03:06:07,778 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 03:06:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:06:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:06:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:06:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 03:06:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:06:07,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:06:07,885 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:06:07,887 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:06:08,266 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-13 03:06:08,267 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:06:08,305 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:06:08,306 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:06:08,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:06:08 BoogieIcfgContainer [2024-10-13 03:06:08,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:06:08,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:06:08,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:06:08,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:06:08,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:06:06" (1/3) ... [2024-10-13 03:06:08,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d46fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:06:08, skipping insertion in model container [2024-10-13 03:06:08,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:07" (2/3) ... [2024-10-13 03:06:08,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d46fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:06:08, skipping insertion in model container [2024-10-13 03:06:08,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:06:08" (3/3) ... [2024-10-13 03:06:08,314 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-56.i [2024-10-13 03:06:08,328 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:06:08,328 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:06:08,378 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:06:08,383 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;@3d7252be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:06:08,384 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:06:08,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-13 03:06:08,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 03:06:08,400 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:08,401 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:06:08,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:08,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:08,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1041190207, now seen corresponding path program 1 times [2024-10-13 03:06:08,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:08,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289583628] [2024-10-13 03:06:08,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:08,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:06:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:06:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:06:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:06:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:06:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:06:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:06:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:06:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:06:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:06:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 03:06:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:06:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:06:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 03:06:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 03:06:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 03:06:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:08,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:06:08,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:08,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289583628] [2024-10-13 03:06:08,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289583628] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:08,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:08,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 03:06:08,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095746297] [2024-10-13 03:06:08,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:08,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 03:06:08,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:08,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 03:06:08,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:06:08,968 INFO L87 Difference]: Start difference. First operand has 91 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 55 states have internal predecessors, (78), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-13 03:06:09,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:09,022 INFO L93 Difference]: Finished difference Result 179 states and 324 transitions. [2024-10-13 03:06:09,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 03:06:09,025 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 211 [2024-10-13 03:06:09,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:09,033 INFO L225 Difference]: With dead ends: 179 [2024-10-13 03:06:09,033 INFO L226 Difference]: Without dead ends: 89 [2024-10-13 03:06:09,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 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 03:06:09,041 INFO L432 NwaCegarLoop]: 138 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, 138 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 03:06:09,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:06:09,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-13 03:06:09,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-13 03:06:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 53 states have internal predecessors, (73), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-13 03:06:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 141 transitions. [2024-10-13 03:06:09,103 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 141 transitions. Word has length 211 [2024-10-13 03:06:09,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:09,104 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 141 transitions. [2024-10-13 03:06:09,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-13 03:06:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2024-10-13 03:06:09,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 03:06:09,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:09,110 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:06:09,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 03:06:09,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:09,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:09,111 INFO L85 PathProgramCache]: Analyzing trace with hash 2070485257, now seen corresponding path program 1 times [2024-10-13 03:06:09,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:09,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007413280] [2024-10-13 03:06:09,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:09,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:06:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:06:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:06:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:06:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:06:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:06:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:06:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:06:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:06:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:06:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 03:06:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:06:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:06:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 03:06:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 03:06:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 03:06:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:06:09,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:09,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007413280] [2024-10-13 03:06:09,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007413280] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:09,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:09,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:06:09,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562265025] [2024-10-13 03:06:09,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:09,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:06:09,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:09,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:06:09,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:06:09,654 INFO L87 Difference]: Start difference. First operand 89 states and 141 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:06:09,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:09,733 INFO L93 Difference]: Finished difference Result 257 states and 410 transitions. [2024-10-13 03:06:09,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:06:09,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 211 [2024-10-13 03:06:09,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:09,736 INFO L225 Difference]: With dead ends: 257 [2024-10-13 03:06:09,736 INFO L226 Difference]: Without dead ends: 169 [2024-10-13 03:06:09,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 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 03:06:09,742 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 70 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:06:09,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 255 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:06:09,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-10-13 03:06:09,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 160. [2024-10-13 03:06:09,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 89 states have (on average 1.3146067415730338) internal successors, (117), 89 states have internal predecessors, (117), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-13 03:06:09,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 253 transitions. [2024-10-13 03:06:09,771 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 253 transitions. Word has length 211 [2024-10-13 03:06:09,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:09,772 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 253 transitions. [2024-10-13 03:06:09,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:06:09,772 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 253 transitions. [2024-10-13 03:06:09,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 03:06:09,780 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:09,781 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:06:09,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 03:06:09,781 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:09,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:09,782 INFO L85 PathProgramCache]: Analyzing trace with hash 496537192, now seen corresponding path program 1 times [2024-10-13 03:06:09,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:09,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214557116] [2024-10-13 03:06:09,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:09,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:09,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:06:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:06:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:06:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:06:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:06:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:06:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:06:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:06:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:06:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:06:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 03:06:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:06:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:06:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 03:06:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 03:06:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 03:06:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:06:10,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:10,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214557116] [2024-10-13 03:06:10,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214557116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:10,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:10,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:06:10,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884691598] [2024-10-13 03:06:10,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:10,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:06:10,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:10,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:06:10,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:06:10,153 INFO L87 Difference]: Start difference. First operand 160 states and 253 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:06:10,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:10,248 INFO L93 Difference]: Finished difference Result 266 states and 423 transitions. [2024-10-13 03:06:10,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:06:10,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 212 [2024-10-13 03:06:10,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:10,252 INFO L225 Difference]: With dead ends: 266 [2024-10-13 03:06:10,253 INFO L226 Difference]: Without dead ends: 170 [2024-10-13 03:06:10,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 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 03:06:10,255 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 70 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:06:10,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 380 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:06:10,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-10-13 03:06:10,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 161. [2024-10-13 03:06:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 90 states have (on average 1.3111111111111111) internal successors, (118), 90 states have internal predecessors, (118), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-13 03:06:10,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 254 transitions. [2024-10-13 03:06:10,283 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 254 transitions. Word has length 212 [2024-10-13 03:06:10,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:10,283 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 254 transitions. [2024-10-13 03:06:10,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:06:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 254 transitions. [2024-10-13 03:06:10,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 03:06:10,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:10,289 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:06:10,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 03:06:10,289 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:10,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:10,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1192406550, now seen corresponding path program 1 times [2024-10-13 03:06:10,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:10,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390339828] [2024-10-13 03:06:10,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:10,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:06:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:06:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:06:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:06:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:06:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:06:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:06:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:06:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:06:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:06:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 03:06:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:06:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:06:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 03:06:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 03:06:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 03:06:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:10,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:06:10,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:10,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390339828] [2024-10-13 03:06:10,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390339828] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:10,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:10,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:06:10,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188369877] [2024-10-13 03:06:10,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:10,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:06:10,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:10,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:06:10,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:06:10,722 INFO L87 Difference]: Start difference. First operand 161 states and 254 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:06:10,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:10,789 INFO L93 Difference]: Finished difference Result 345 states and 548 transitions. [2024-10-13 03:06:10,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:06:10,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 212 [2024-10-13 03:06:10,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:10,795 INFO L225 Difference]: With dead ends: 345 [2024-10-13 03:06:10,796 INFO L226 Difference]: Without dead ends: 248 [2024-10-13 03:06:10,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 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 03:06:10,800 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 83 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:06:10,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 276 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:06:10,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-13 03:06:10,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 246. [2024-10-13 03:06:10,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 140 states have (on average 1.3285714285714285) internal successors, (186), 140 states have internal predecessors, (186), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-13 03:06:10,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 390 transitions. [2024-10-13 03:06:10,849 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 390 transitions. Word has length 212 [2024-10-13 03:06:10,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:10,849 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 390 transitions. [2024-10-13 03:06:10,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:06:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 390 transitions. [2024-10-13 03:06:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-13 03:06:10,853 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:10,854 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:06:10,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 03:06:10,854 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:10,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:10,854 INFO L85 PathProgramCache]: Analyzing trace with hash 294313221, now seen corresponding path program 1 times [2024-10-13 03:06:10,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:10,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153043013] [2024-10-13 03:06:10,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:10,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:06:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:06:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:06:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:06:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:06:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:06:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:06:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:06:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:06:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:06:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 03:06:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:06:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:06:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 03:06:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 03:06:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 03:06:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:06:11,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:11,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153043013] [2024-10-13 03:06:11,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153043013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:11,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:11,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:06:11,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047141140] [2024-10-13 03:06:11,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:11,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:06:11,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:11,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:06:11,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:06:11,188 INFO L87 Difference]: Start difference. First operand 246 states and 390 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:06:11,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:11,264 INFO L93 Difference]: Finished difference Result 439 states and 699 transitions. [2024-10-13 03:06:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:06:11,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-10-13 03:06:11,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:11,267 INFO L225 Difference]: With dead ends: 439 [2024-10-13 03:06:11,267 INFO L226 Difference]: Without dead ends: 257 [2024-10-13 03:06:11,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 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 03:06:11,270 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 65 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:06:11,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 381 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:06:11,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-10-13 03:06:11,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 246. [2024-10-13 03:06:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 140 states have (on average 1.3214285714285714) internal successors, (185), 140 states have internal predecessors, (185), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-13 03:06:11,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 389 transitions. [2024-10-13 03:06:11,307 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 389 transitions. Word has length 214 [2024-10-13 03:06:11,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:11,309 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 389 transitions. [2024-10-13 03:06:11,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:06:11,310 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 389 transitions. [2024-10-13 03:06:11,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-10-13 03:06:11,311 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:11,311 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:06:11,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 03:06:11,311 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:11,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:11,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1394630521, now seen corresponding path program 1 times [2024-10-13 03:06:11,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:11,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139137398] [2024-10-13 03:06:11,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:11,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:06:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:06:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:06:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:06:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:06:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:06:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:06:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:06:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:06:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:06:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 03:06:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:06:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:06:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 03:06:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 03:06:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 03:06:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:06:11,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:11,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139137398] [2024-10-13 03:06:11,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139137398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:11,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:11,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:06:11,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503565434] [2024-10-13 03:06:11,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:11,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:06:11,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:11,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:06:11,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:06:11,587 INFO L87 Difference]: Start difference. First operand 246 states and 389 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:06:11,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:11,628 INFO L93 Difference]: Finished difference Result 432 states and 686 transitions. [2024-10-13 03:06:11,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:06:11,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 214 [2024-10-13 03:06:11,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:11,631 INFO L225 Difference]: With dead ends: 432 [2024-10-13 03:06:11,631 INFO L226 Difference]: Without dead ends: 252 [2024-10-13 03:06:11,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 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 03:06:11,633 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 56 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:06:11,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 266 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:06:11,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-13 03:06:11,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 246. [2024-10-13 03:06:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 140 states have (on average 1.3071428571428572) internal successors, (183), 140 states have internal predecessors, (183), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-13 03:06:11,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 387 transitions. [2024-10-13 03:06:11,655 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 387 transitions. Word has length 214 [2024-10-13 03:06:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:11,656 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 387 transitions. [2024-10-13 03:06:11,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:06:11,656 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 387 transitions. [2024-10-13 03:06:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-13 03:06:11,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:11,660 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:06:11,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 03:06:11,660 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:11,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:11,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1431874307, now seen corresponding path program 1 times [2024-10-13 03:06:11,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:11,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442108361] [2024-10-13 03:06:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:11,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:06:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:06:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:06:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:06:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:06:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:06:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:06:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:06:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:06:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:06:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 03:06:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:06:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:06:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 03:06:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-13 03:06:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 03:06:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:06:11,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:11,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442108361] [2024-10-13 03:06:11,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442108361] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:11,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:11,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:06:11,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032672851] [2024-10-13 03:06:11,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:11,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:06:11,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:11,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:06:11,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:06:11,962 INFO L87 Difference]: Start difference. First operand 246 states and 387 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:06:12,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:12,002 INFO L93 Difference]: Finished difference Result 594 states and 943 transitions. [2024-10-13 03:06:12,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:06:12,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 215 [2024-10-13 03:06:12,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:12,006 INFO L225 Difference]: With dead ends: 594 [2024-10-13 03:06:12,006 INFO L226 Difference]: Without dead ends: 420 [2024-10-13 03:06:12,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 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 03:06:12,009 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 73 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:06:12,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 269 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:06:12,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-10-13 03:06:12,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 418. [2024-10-13 03:06:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 242 states have (on average 1.3181818181818181) internal successors, (319), 242 states have internal predecessors, (319), 170 states have call successors, (170), 5 states have call predecessors, (170), 5 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2024-10-13 03:06:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 659 transitions. [2024-10-13 03:06:12,049 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 659 transitions. Word has length 215 [2024-10-13 03:06:12,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:12,049 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 659 transitions. [2024-10-13 03:06:12,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:06:12,050 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 659 transitions. [2024-10-13 03:06:12,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-10-13 03:06:12,052 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:12,052 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:06:12,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 03:06:12,052 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:12,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:12,053 INFO L85 PathProgramCache]: Analyzing trace with hash 145308695, now seen corresponding path program 1 times [2024-10-13 03:06:12,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:12,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232498561] [2024-10-13 03:06:12,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:12,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat