./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-cn_file-66.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-cn_file-66.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 472f160323a45b927913d546ba36407c4908d2f65580a236f66341d4d39cf8a5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:56:15,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:56:15,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:56:15,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:56:15,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:56:16,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:56:16,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:56:16,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:56:16,010 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:56:16,010 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:56:16,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:56:16,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:56:16,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:56:16,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:56:16,012 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:56:16,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:56:16,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:56:16,013 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:56:16,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:56:16,013 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:56:16,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:56:16,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:56:16,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:56:16,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:56:16,018 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:56:16,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:56:16,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:56:16,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:56:16,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:56:16,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:56:16,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:56:16,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:56:16,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:56:16,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:56:16,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:56:16,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:56:16,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:56:16,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:56:16,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:56:16,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:56:16,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:56:16,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:56:16,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 472f160323a45b927913d546ba36407c4908d2f65580a236f66341d4d39cf8a5 [2024-10-13 02:56:16,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:56:16,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:56:16,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:56:16,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:56:16,293 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:56:16,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i [2024-10-13 02:56:17,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:56:17,759 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:56:17,759 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i [2024-10-13 02:56:17,766 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e17a3f8a/f3451d1c9ac540cba1ecc1ff3754ac41/FLAG14b23e6bd [2024-10-13 02:56:18,129 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e17a3f8a/f3451d1c9ac540cba1ecc1ff3754ac41 [2024-10-13 02:56:18,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:56:18,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:56:18,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:56:18,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:56:18,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:56:18,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59da0908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18, skipping insertion in model container [2024-10-13 02:56:18,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:56:18,290 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-cn_file-66.i[919,932] [2024-10-13 02:56:18,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:56:18,385 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:56:18,396 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-cn_file-66.i[919,932] [2024-10-13 02:56:18,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:56:18,458 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:56:18,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18 WrapperNode [2024-10-13 02:56:18,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:56:18,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:56:18,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:56:18,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:56:18,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,521 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2024-10-13 02:56:18,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:56:18,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:56:18,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:56:18,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:56:18,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,542 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,557 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 02:56:18,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,574 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:56:18,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:56:18,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:56:18,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:56:18,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (1/1) ... [2024-10-13 02:56:18,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:56:18,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:56:18,625 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 02:56:18,632 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 02:56:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:56:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:56:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:56:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:56:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:56:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:56:18,758 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:56:18,759 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:56:19,242 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-13 02:56:19,243 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:56:19,276 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:56:19,276 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:56:19,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:56:19 BoogieIcfgContainer [2024-10-13 02:56:19,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:56:19,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:56:19,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:56:19,281 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:56:19,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:56:18" (1/3) ... [2024-10-13 02:56:19,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2596b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:56:19, skipping insertion in model container [2024-10-13 02:56:19,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:56:18" (2/3) ... [2024-10-13 02:56:19,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e2596b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:56:19, skipping insertion in model container [2024-10-13 02:56:19,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:56:19" (3/3) ... [2024-10-13 02:56:19,283 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i [2024-10-13 02:56:19,294 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:56:19,294 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:56:19,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:56:19,345 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;@75d468c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:56:19,345 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:56:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-13 02:56:19,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 02:56:19,366 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:56:19,367 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:56:19,367 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:56:19,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:56:19,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1360282986, now seen corresponding path program 1 times [2024-10-13 02:56:19,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:56:19,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475389841] [2024-10-13 02:56:19,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:56:19,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:56:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:56:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:56:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:56:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:56:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:56:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:56:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:56:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:56:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:56:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:56:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:56:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:56:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:56:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:56:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:56:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:56:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:56:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:56:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:56:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:56:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:56:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:56:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:56:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:56:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:56:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:56:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:56:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:56:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:56:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:56:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:56:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:56:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:56:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:56:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:56:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:56:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 02:56:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:56:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 02:56:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:56:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 02:56:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:56:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 02:56:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:56:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 02:56:19,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:56:19,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475389841] [2024-10-13 02:56:19,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475389841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:56:19,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:56:19,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 02:56:19,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261961998] [2024-10-13 02:56:19,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:56:19,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 02:56:19,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:56:19,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 02:56:19,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:56:19,951 INFO L87 Difference]: Start difference. First operand has 109 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-13 02:56:20,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:56:20,006 INFO L93 Difference]: Finished difference Result 215 states and 398 transitions. [2024-10-13 02:56:20,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 02:56:20,011 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 267 [2024-10-13 02:56:20,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:56:20,022 INFO L225 Difference]: With dead ends: 215 [2024-10-13 02:56:20,022 INFO L226 Difference]: Without dead ends: 107 [2024-10-13 02:56:20,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 02:56:20,030 INFO L432 NwaCegarLoop]: 170 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, 170 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 02:56:20,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:56:20,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-13 02:56:20,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-10-13 02:56:20,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 61 states have internal predecessors, (85), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-13 02:56:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 173 transitions. [2024-10-13 02:56:20,084 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 173 transitions. Word has length 267 [2024-10-13 02:56:20,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:56:20,085 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 173 transitions. [2024-10-13 02:56:20,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-13 02:56:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 173 transitions. [2024-10-13 02:56:20,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 02:56:20,095 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:56:20,095 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:56:20,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:56:20,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:56:20,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:56:20,097 INFO L85 PathProgramCache]: Analyzing trace with hash -349916634, now seen corresponding path program 1 times [2024-10-13 02:56:20,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:56:20,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038449677] [2024-10-13 02:56:20,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:56:20,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:56:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:56:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:56:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:56:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:56:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:56:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:56:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:56:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:56:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:56:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:56:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:56:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:56:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:56:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:56:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:56:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:56:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:56:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:56:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:56:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:56:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:56:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:56:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:56:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:56:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:56:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:56:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:56:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:56:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:56:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:56:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:56:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:56:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:56:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:56:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:56:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:56:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 02:56:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:56:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 02:56:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:56:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 02:56:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:56:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 02:56:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:56:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 02:56:20,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:56:20,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038449677] [2024-10-13 02:56:20,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038449677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:56:20,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:56:20,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:56:20,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110201415] [2024-10-13 02:56:20,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:56:20,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:56:20,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:56:20,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:56:20,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:56:20,538 INFO L87 Difference]: Start difference. First operand 107 states and 173 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 02:56:20,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:56:20,638 INFO L93 Difference]: Finished difference Result 318 states and 515 transitions. [2024-10-13 02:56:20,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:56:20,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-13 02:56:20,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:56:20,645 INFO L225 Difference]: With dead ends: 318 [2024-10-13 02:56:20,646 INFO L226 Difference]: Without dead ends: 212 [2024-10-13 02:56:20,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 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 02:56:20,649 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 162 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:56:20,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 470 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:56:20,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-13 02:56:20,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210. [2024-10-13 02:56:20,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 119 states have (on average 1.3529411764705883) internal successors, (161), 119 states have internal predecessors, (161), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-13 02:56:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 337 transitions. [2024-10-13 02:56:20,696 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 337 transitions. Word has length 267 [2024-10-13 02:56:20,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:56:20,697 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 337 transitions. [2024-10-13 02:56:20,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 02:56:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2024-10-13 02:56:20,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 02:56:20,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:56:20,701 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:56:20,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 02:56:20,702 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:56:20,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:56:20,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1425090728, now seen corresponding path program 1 times [2024-10-13 02:56:20,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:56:20,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435577784] [2024-10-13 02:56:20,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:56:20,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:56:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:56:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:56:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:56:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:56:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:56:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:56:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:56:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:56:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:56:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:56:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:56:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:20,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:56:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:56:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:56:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:56:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:56:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:56:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:56:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:56:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:56:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:56:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:56:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:56:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:56:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:56:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:56:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:56:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:56:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:56:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:56:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:56:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:56:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:56:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:56:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:56:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:56:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 02:56:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:56:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 02:56:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:56:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 02:56:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:56:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 02:56:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:56:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 02:56:21,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:56:21,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435577784] [2024-10-13 02:56:21,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435577784] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:56:21,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:56:21,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:56:21,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590037260] [2024-10-13 02:56:21,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:56:21,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:56:21,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:56:21,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:56:21,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:56:21,139 INFO L87 Difference]: Start difference. First operand 210 states and 337 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 02:56:21,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:56:21,466 INFO L93 Difference]: Finished difference Result 642 states and 1019 transitions. [2024-10-13 02:56:21,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:56:21,467 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-13 02:56:21,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:56:21,471 INFO L225 Difference]: With dead ends: 642 [2024-10-13 02:56:21,471 INFO L226 Difference]: Without dead ends: 433 [2024-10-13 02:56:21,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:56:21,472 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 109 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:56:21,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 470 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:56:21,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-10-13 02:56:21,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 428. [2024-10-13 02:56:21,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 241 states have (on average 1.3236514522821576) internal successors, (319), 242 states have internal predecessors, (319), 180 states have call successors, (180), 6 states have call predecessors, (180), 6 states have return successors, (180), 179 states have call predecessors, (180), 180 states have call successors, (180) [2024-10-13 02:56:21,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 679 transitions. [2024-10-13 02:56:21,529 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 679 transitions. Word has length 267 [2024-10-13 02:56:21,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:56:21,532 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 679 transitions. [2024-10-13 02:56:21,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 02:56:21,533 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 679 transitions. [2024-10-13 02:56:21,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 02:56:21,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:56:21,535 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:56:21,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 02:56:21,535 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:56:21,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:56:21,537 INFO L85 PathProgramCache]: Analyzing trace with hash 615744102, now seen corresponding path program 1 times [2024-10-13 02:56:21,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:56:21,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334058660] [2024-10-13 02:56:21,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:56:21,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:56:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:56:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:56:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:56:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:56:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:56:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:56:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:56:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:56:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:56:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:56:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:56:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:56:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:56:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:56:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:56:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:56:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:56:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:56:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:56:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:50,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:56:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:56:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:56:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:56:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:56:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:56:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:56:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:56:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:56:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:56:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:56:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:56:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:56:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:56:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:56:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:56:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:56:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 02:56:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:56:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 02:56:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:56:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 02:56:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:56:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 02:56:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:56:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:56:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 02:56:51,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:56:51,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334058660] [2024-10-13 02:56:51,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334058660] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:56:51,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:56:51,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 02:56:51,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300806693] [2024-10-13 02:56:51,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:56:51,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 02:56:51,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:56:51,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 02:56:51,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-13 02:56:51,077 INFO L87 Difference]: Start difference. First operand 428 states and 679 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 02:56:54,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:56:54,931 INFO L93 Difference]: Finished difference Result 574 states and 862 transitions. [2024-10-13 02:56:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 02:56:54,932 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-13 02:56:54,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:56:54,938 INFO L225 Difference]: With dead ends: 574 [2024-10-13 02:56:54,938 INFO L226 Difference]: Without dead ends: 572 [2024-10-13 02:56:54,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2024-10-13 02:56:54,944 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 286 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:56:54,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 848 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-13 02:56:54,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-10-13 02:56:55,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 497. [2024-10-13 02:56:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 295 states have (on average 1.3152542372881355) internal successors, (388), 299 states have internal predecessors, (388), 192 states have call successors, (192), 9 states have call predecessors, (192), 9 states have return successors, (192), 188 states have call predecessors, (192), 192 states have call successors, (192) [2024-10-13 02:56:55,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 772 transitions. [2024-10-13 02:56:55,008 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 772 transitions. Word has length 267 [2024-10-13 02:56:55,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:56:55,008 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 772 transitions. [2024-10-13 02:56:55,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 02:56:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 772 transitions. [2024-10-13 02:56:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 02:56:55,012 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:56:55,012 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:56:55,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 02:56:55,013 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:56:55,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:56:55,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1050981212, now seen corresponding path program 1 times [2024-10-13 02:56:55,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:56:55,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454018061] [2024-10-13 02:56:55,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:56:55,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:56:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:57:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:57:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:57:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:57:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:57:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:57:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:57:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:57:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:57:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:57:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:57:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:57:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:57:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:57:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:57:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:57:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:57:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:57:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:57:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:57:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:57:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:57:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:57:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:57:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:57:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:57:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:57:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:57:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:57:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:57:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:57:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:57:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:57:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:57:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:57:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:57:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 02:57:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:57:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 02:57:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:57:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 02:57:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:57:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 02:57:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:57:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:24,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 02:57:24,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:57:24,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454018061] [2024-10-13 02:57:24,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454018061] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:57:24,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:57:24,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 02:57:24,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848892269] [2024-10-13 02:57:24,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:57:24,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 02:57:24,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:57:24,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 02:57:24,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-13 02:57:24,392 INFO L87 Difference]: Start difference. First operand 497 states and 772 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 02:57:25,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:57:25,672 INFO L93 Difference]: Finished difference Result 881 states and 1343 transitions. [2024-10-13 02:57:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 02:57:25,673 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-13 02:57:25,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:57:25,677 INFO L225 Difference]: With dead ends: 881 [2024-10-13 02:57:25,677 INFO L226 Difference]: Without dead ends: 672 [2024-10-13 02:57:25,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-10-13 02:57:25,679 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 124 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1416 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 02:57:25,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1416 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 02:57:25,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-10-13 02:57:25,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 552. [2024-10-13 02:57:25,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 344 states have (on average 1.3313953488372092) internal successors, (458), 349 states have internal predecessors, (458), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-10-13 02:57:25,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 850 transitions. [2024-10-13 02:57:25,726 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 850 transitions. Word has length 267 [2024-10-13 02:57:25,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:57:25,727 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 850 transitions. [2024-10-13 02:57:25,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 02:57:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 850 transitions. [2024-10-13 02:57:25,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 02:57:25,729 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:57:25,729 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:57:25,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 02:57:25,730 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:57:25,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:57:25,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1860327838, now seen corresponding path program 1 times [2024-10-13 02:57:25,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:57:25,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991884506] [2024-10-13 02:57:25,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:57:25,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:57:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:57:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:57:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:57:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:57:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:57:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:57:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:57:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:57:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:57:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:57:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:57:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:57:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:57:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:57:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:57:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:57:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:57:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:57:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:57:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:57:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:57:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:57:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:57:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:57:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:57:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:57:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:57:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:57:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:57:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:57:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:57:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:57:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:57:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:57:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:57:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:57:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 02:57:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:57:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 02:57:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:57:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 02:57:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:57:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 02:57:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:57:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:50,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 02:57:50,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:57:50,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991884506] [2024-10-13 02:57:50,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991884506] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:57:50,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:57:50,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 02:57:50,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575786018] [2024-10-13 02:57:50,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:57:50,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 02:57:50,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:57:50,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 02:57:50,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-13 02:57:50,849 INFO L87 Difference]: Start difference. First operand 552 states and 850 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 02:57:51,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:57:51,777 INFO L93 Difference]: Finished difference Result 638 states and 955 transitions. [2024-10-13 02:57:51,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 02:57:51,778 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-13 02:57:51,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:57:51,782 INFO L225 Difference]: With dead ends: 638 [2024-10-13 02:57:51,782 INFO L226 Difference]: Without dead ends: 636 [2024-10-13 02:57:51,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-10-13 02:57:51,784 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 144 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 02:57:51,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 818 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 02:57:51,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-13 02:57:51,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 552. [2024-10-13 02:57:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 344 states have (on average 1.3313953488372092) internal successors, (458), 349 states have internal predecessors, (458), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-10-13 02:57:51,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 850 transitions. [2024-10-13 02:57:51,824 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 850 transitions. Word has length 267 [2024-10-13 02:57:51,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:57:51,825 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 850 transitions. [2024-10-13 02:57:51,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 02:57:51,825 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 850 transitions. [2024-10-13 02:57:51,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 02:57:51,826 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:57:51,826 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:57:51,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 02:57:51,827 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:57:51,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:57:51,827 INFO L85 PathProgramCache]: Analyzing trace with hash 873909540, now seen corresponding path program 1 times [2024-10-13 02:57:51,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:57:51,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386883915] [2024-10-13 02:57:51,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:57:51,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:57:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:57:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:57:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:57:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:57:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:57:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:57:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:57:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:57:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:57:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:57:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:57:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:57:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:57:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:57:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:57:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:57:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:57:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:57:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:57:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:57:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:57:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:57:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:57:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:57:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:57:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:57:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:57:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:57:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:57:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:51,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:57:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:57:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:57:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:57:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:57:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:57:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:57:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 02:57:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:57:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 02:57:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:57:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 02:57:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:57:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 02:57:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:57:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 02:57:52,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:57:52,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386883915] [2024-10-13 02:57:52,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386883915] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:57:52,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:57:52,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:57:52,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519637278] [2024-10-13 02:57:52,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:57:52,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:57:52,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:57:52,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:57:52,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:57:52,038 INFO L87 Difference]: Start difference. First operand 552 states and 850 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 02:57:52,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:57:52,092 INFO L93 Difference]: Finished difference Result 1137 states and 1754 transitions. [2024-10-13 02:57:52,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:57:52,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-13 02:57:52,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:57:52,096 INFO L225 Difference]: With dead ends: 1137 [2024-10-13 02:57:52,097 INFO L226 Difference]: Without dead ends: 683 [2024-10-13 02:57:52,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 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 02:57:52,101 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 86 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:57:52,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 340 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:57:52,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-10-13 02:57:52,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 679. [2024-10-13 02:57:52,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 421 states have (on average 1.327790973871734) internal successors, (559), 427 states have internal predecessors, (559), 244 states have call successors, (244), 13 states have call predecessors, (244), 13 states have return successors, (244), 238 states have call predecessors, (244), 244 states have call successors, (244) [2024-10-13 02:57:52,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1047 transitions. [2024-10-13 02:57:52,152 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1047 transitions. Word has length 267 [2024-10-13 02:57:52,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:57:52,153 INFO L471 AbstractCegarLoop]: Abstraction has 679 states and 1047 transitions. [2024-10-13 02:57:52,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-13 02:57:52,154 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1047 transitions. [2024-10-13 02:57:52,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-13 02:57:52,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:57:52,155 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:57:52,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 02:57:52,155 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:57:52,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:57:52,156 INFO L85 PathProgramCache]: Analyzing trace with hash -792815774, now seen corresponding path program 1 times [2024-10-13 02:57:52,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:57:52,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633214031] [2024-10-13 02:57:52,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:57:52,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:57:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:57:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:57:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:57:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:57:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:57:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:57:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:57:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:57:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:57:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:57:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:57:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:57:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:57:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:57:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:57:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:57:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:57:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:57:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:57:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:57:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:57:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:57:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:57:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:57:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:57:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:57:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:57:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 02:57:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 02:57:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 02:57:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 02:57:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 02:57:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 02:57:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-13 02:57:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-13 02:57:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 02:57:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-13 02:57:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 02:57:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 02:57:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-13 02:57:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-13 02:57:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 02:57:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 02:57:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-13 02:57:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:57:52,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 02:57:52,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:57:52,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633214031] [2024-10-13 02:57:52,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633214031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:57:52,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:57:52,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:57:52,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081225887] [2024-10-13 02:57:52,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:57:52,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:57:52,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:57:52,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:57:52,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:57:52,518 INFO L87 Difference]: Start difference. First operand 679 states and 1047 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-13 02:57:52,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:57:52,826 INFO L93 Difference]: Finished difference Result 1246 states and 1910 transitions. [2024-10-13 02:57:52,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:57:52,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 267 [2024-10-13 02:57:52,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:57:52,832 INFO L225 Difference]: With dead ends: 1246 [2024-10-13 02:57:52,832 INFO L226 Difference]: Without dead ends: 664 [2024-10-13 02:57:52,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:57:52,834 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 161 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:57:52,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 315 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:57:52,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-10-13 02:57:52,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 653. [2024-10-13 02:57:52,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 394 states have (on average 1.3045685279187818) internal successors, (514), 399 states have internal predecessors, (514), 244 states have call successors, (244), 14 states have call predecessors, (244), 14 states have return successors, (244), 239 states have call predecessors, (244), 244 states have call successors, (244) [2024-10-13 02:57:52,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 1002 transitions. [2024-10-13 02:57:52,928 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 1002 transitions. Word has length 267 [2024-10-13 02:57:52,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:57:52,928 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 1002 transitions. [2024-10-13 02:57:52,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-13 02:57:52,928 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1002 transitions. [2024-10-13 02:57:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-10-13 02:57:52,931 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:57:52,932 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:57:52,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 02:57:52,932 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:57:52,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:57:52,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1025650957, now seen corresponding path program 1 times [2024-10-13 02:57:52,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:57:52,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643631709] [2024-10-13 02:57:52,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:57:52,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:57:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat