./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.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 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 10:29:57,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 10:29:57,540 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 10:29:57,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 10:29:57,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 10:29:57,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 10:29:57,578 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 10:29:57,578 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 10:29:57,579 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 10:29:57,580 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 10:29:57,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 10:29:57,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 10:29:57,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 10:29:57,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 10:29:57,584 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 10:29:57,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 10:29:57,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 10:29:57,585 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 10:29:57,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 10:29:57,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 10:29:57,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 10:29:57,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 10:29:57,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 10:29:57,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 10:29:57,589 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 10:29:57,589 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 10:29:57,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 10:29:57,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 10:29:57,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 10:29:57,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 10:29:57,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 10:29:57,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 10:29:57,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:29:57,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 10:29:57,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 10:29:57,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 10:29:57,594 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 10:29:57,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 10:29:57,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 10:29:57,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 10:29:57,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 10:29:57,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 10:29:57,596 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 [2024-10-14 10:29:57,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 10:29:57,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 10:29:57,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 10:29:57,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 10:29:57,889 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 10:29:57,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-10-14 10:29:59,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 10:29:59,627 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 10:29:59,628 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-10-14 10:29:59,639 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e2a8602/1c2be1b31a66444d83d256712752b6f1/FLAG0997735e0 [2024-10-14 10:29:59,965 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e2a8602/1c2be1b31a66444d83d256712752b6f1 [2024-10-14 10:29:59,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 10:29:59,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 10:29:59,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 10:29:59,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 10:29:59,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 10:29:59,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:29:59" (1/1) ... [2024-10-14 10:29:59,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e60e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:29:59, skipping insertion in model container [2024-10-14 10:29:59,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:29:59" (1/1) ... [2024-10-14 10:30:00,016 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 10:30:00,180 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i[918,931] [2024-10-14 10:30:00,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:30:00,272 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 10:30:00,282 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i[918,931] [2024-10-14 10:30:00,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:30:00,359 INFO L204 MainTranslator]: Completed translation [2024-10-14 10:30:00,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00 WrapperNode [2024-10-14 10:30:00,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 10:30:00,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 10:30:00,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 10:30:00,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 10:30:00,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (1/1) ... [2024-10-14 10:30:00,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (1/1) ... [2024-10-14 10:30:00,452 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-10-14 10:30:00,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 10:30:00,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 10:30:00,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 10:30:00,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 10:30:00,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (1/1) ... [2024-10-14 10:30:00,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (1/1) ... [2024-10-14 10:30:00,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (1/1) ... [2024-10-14 10:30:00,522 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 10:30:00,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (1/1) ... [2024-10-14 10:30:00,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (1/1) ... [2024-10-14 10:30:00,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (1/1) ... [2024-10-14 10:30:00,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (1/1) ... [2024-10-14 10:30:00,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (1/1) ... [2024-10-14 10:30:00,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (1/1) ... [2024-10-14 10:30:00,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 10:30:00,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 10:30:00,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 10:30:00,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 10:30:00,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (1/1) ... [2024-10-14 10:30:00,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:30:00,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:30:00,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 10:30:00,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 10:30:00,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 10:30:00,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 10:30:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 10:30:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 10:30:00,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 10:30:00,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 10:30:00,791 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 10:30:00,794 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 10:30:01,284 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-14 10:30:01,284 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 10:30:01,324 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 10:30:01,325 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 10:30:01,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:30:01 BoogieIcfgContainer [2024-10-14 10:30:01,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 10:30:01,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 10:30:01,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 10:30:01,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 10:30:01,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:29:59" (1/3) ... [2024-10-14 10:30:01,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d77e747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:30:01, skipping insertion in model container [2024-10-14 10:30:01,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:30:00" (2/3) ... [2024-10-14 10:30:01,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d77e747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:30:01, skipping insertion in model container [2024-10-14 10:30:01,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:30:01" (3/3) ... [2024-10-14 10:30:01,338 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-10-14 10:30:01,355 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 10:30:01,355 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 10:30:01,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 10:30:01,439 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;@771d01c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 10:30:01,440 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 10:30:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 10:30:01,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-10-14 10:30:01,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:01,471 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:01,471 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:01,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:01,478 INFO L85 PathProgramCache]: Analyzing trace with hash 734953733, now seen corresponding path program 1 times [2024-10-14 10:30:01,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:01,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319833901] [2024-10-14 10:30:01,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:01,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:01,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:02,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:02,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319833901] [2024-10-14 10:30:02,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319833901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:02,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:02,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 10:30:02,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186526927] [2024-10-14 10:30:02,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:02,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 10:30:02,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:02,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 10:30:02,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:30:02,091 INFO L87 Difference]: Start difference. First operand has 117 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 10:30:02,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:02,150 INFO L93 Difference]: Finished difference Result 231 states and 416 transitions. [2024-10-14 10:30:02,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 10:30:02,153 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 217 [2024-10-14 10:30:02,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:02,163 INFO L225 Difference]: With dead ends: 231 [2024-10-14 10:30:02,163 INFO L226 Difference]: Without dead ends: 115 [2024-10-14 10:30:02,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:30:02,175 INFO L432 NwaCegarLoop]: 183 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, 183 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:02,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:30:02,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-14 10:30:02,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-10-14 10:30:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 79 states have (on average 1.4936708860759493) internal successors, (118), 79 states have internal predecessors, (118), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 10:30:02,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 186 transitions. [2024-10-14 10:30:02,246 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 186 transitions. Word has length 217 [2024-10-14 10:30:02,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:02,247 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 186 transitions. [2024-10-14 10:30:02,248 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-14 10:30:02,248 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 186 transitions. [2024-10-14 10:30:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-10-14 10:30:02,253 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:02,254 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:02,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 10:30:02,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:02,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:02,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1869334339, now seen corresponding path program 1 times [2024-10-14 10:30:02,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:02,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383507412] [2024-10-14 10:30:02,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:02,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:02,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:02,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:02,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383507412] [2024-10-14 10:30:02,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383507412] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:02,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:02,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:30:02,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757313465] [2024-10-14 10:30:02,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:02,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:30:02,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:02,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:30:02,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:30:02,983 INFO L87 Difference]: Start difference. First operand 115 states and 186 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:03,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:03,216 INFO L93 Difference]: Finished difference Result 344 states and 558 transitions. [2024-10-14 10:30:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 10:30:03,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-10-14 10:30:03,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:03,223 INFO L225 Difference]: With dead ends: 344 [2024-10-14 10:30:03,223 INFO L226 Difference]: Without dead ends: 230 [2024-10-14 10:30:03,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:30:03,225 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 126 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:03,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 458 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 10:30:03,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-10-14 10:30:03,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2024-10-14 10:30:03,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 156 states have (on average 1.4935897435897436) internal successors, (233), 156 states have internal predecessors, (233), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-14 10:30:03,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 369 transitions. [2024-10-14 10:30:03,275 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 369 transitions. Word has length 217 [2024-10-14 10:30:03,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:03,276 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 369 transitions. [2024-10-14 10:30:03,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:03,277 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 369 transitions. [2024-10-14 10:30:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-10-14 10:30:03,283 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:03,284 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:03,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 10:30:03,285 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:03,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:03,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1948255617, now seen corresponding path program 1 times [2024-10-14 10:30:03,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:03,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791465742] [2024-10-14 10:30:03,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:03,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:03,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:03,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791465742] [2024-10-14 10:30:03,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791465742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:03,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:03,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:30:03,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50400495] [2024-10-14 10:30:03,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:03,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:30:03,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:03,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:30:03,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:03,813 INFO L87 Difference]: Start difference. First operand 227 states and 369 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:03,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:03,934 INFO L93 Difference]: Finished difference Result 679 states and 1105 transitions. [2024-10-14 10:30:03,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:30:03,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-10-14 10:30:03,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:03,943 INFO L225 Difference]: With dead ends: 679 [2024-10-14 10:30:03,944 INFO L226 Difference]: Without dead ends: 453 [2024-10-14 10:30:03,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:03,946 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 107 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:03,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 334 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:30:03,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-10-14 10:30:04,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 451. [2024-10-14 10:30:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 310 states have (on average 1.4709677419354839) internal successors, (456), 310 states have internal predecessors, (456), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-14 10:30:04,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 728 transitions. [2024-10-14 10:30:04,060 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 728 transitions. Word has length 218 [2024-10-14 10:30:04,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:04,061 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 728 transitions. [2024-10-14 10:30:04,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:04,062 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 728 transitions. [2024-10-14 10:30:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-14 10:30:04,064 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:04,064 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:04,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 10:30:04,065 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:04,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:04,065 INFO L85 PathProgramCache]: Analyzing trace with hash -555788473, now seen corresponding path program 1 times [2024-10-14 10:30:04,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:04,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169279546] [2024-10-14 10:30:04,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:04,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:04,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:04,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169279546] [2024-10-14 10:30:04,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169279546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:04,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:04,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:30:04,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222670616] [2024-10-14 10:30:04,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:04,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:30:04,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:04,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:30:04,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:04,301 INFO L87 Difference]: Start difference. First operand 451 states and 728 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:04,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:04,455 INFO L93 Difference]: Finished difference Result 1323 states and 2144 transitions. [2024-10-14 10:30:04,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:30:04,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-10-14 10:30:04,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:04,465 INFO L225 Difference]: With dead ends: 1323 [2024-10-14 10:30:04,465 INFO L226 Difference]: Without dead ends: 873 [2024-10-14 10:30:04,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:04,471 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 167 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:04,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 455 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:30:04,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2024-10-14 10:30:04,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 871. [2024-10-14 10:30:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 590 states have (on average 1.4508474576271186) internal successors, (856), 590 states have internal predecessors, (856), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-10-14 10:30:04,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1400 transitions. [2024-10-14 10:30:04,630 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1400 transitions. Word has length 219 [2024-10-14 10:30:04,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:04,631 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1400 transitions. [2024-10-14 10:30:04,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1400 transitions. [2024-10-14 10:30:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-14 10:30:04,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:04,636 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:04,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 10:30:04,637 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:04,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:04,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1420468563, now seen corresponding path program 1 times [2024-10-14 10:30:04,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:04,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099896842] [2024-10-14 10:30:04,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:04,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:04,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:04,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099896842] [2024-10-14 10:30:04,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099896842] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:04,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:04,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:30:04,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593357877] [2024-10-14 10:30:04,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:04,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:30:04,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:04,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:30:04,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:04,827 INFO L87 Difference]: Start difference. First operand 871 states and 1400 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:04,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:04,916 INFO L93 Difference]: Finished difference Result 1959 states and 3128 transitions. [2024-10-14 10:30:04,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:30:04,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-10-14 10:30:04,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:04,926 INFO L225 Difference]: With dead ends: 1959 [2024-10-14 10:30:04,926 INFO L226 Difference]: Without dead ends: 1089 [2024-10-14 10:30:04,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:04,931 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 39 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:04,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 382 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:30:04,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2024-10-14 10:30:05,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 943. [2024-10-14 10:30:05,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 662 states have (on average 1.4501510574018126) internal successors, (960), 662 states have internal predecessors, (960), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-10-14 10:30:05,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1504 transitions. [2024-10-14 10:30:05,061 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1504 transitions. Word has length 219 [2024-10-14 10:30:05,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:05,062 INFO L471 AbstractCegarLoop]: Abstraction has 943 states and 1504 transitions. [2024-10-14 10:30:05,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1504 transitions. [2024-10-14 10:30:05,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-14 10:30:05,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:05,065 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:05,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 10:30:05,065 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:05,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:05,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1215797149, now seen corresponding path program 1 times [2024-10-14 10:30:05,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:05,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127849872] [2024-10-14 10:30:05,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:05,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:05,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:05,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127849872] [2024-10-14 10:30:05,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127849872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:05,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:05,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:30:05,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494904561] [2024-10-14 10:30:05,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:05,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:30:05,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:05,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:30:05,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:30:05,331 INFO L87 Difference]: Start difference. First operand 943 states and 1504 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:05,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:05,788 INFO L93 Difference]: Finished difference Result 3445 states and 5515 transitions. [2024-10-14 10:30:05,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 10:30:05,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-10-14 10:30:05,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:05,804 INFO L225 Difference]: With dead ends: 3445 [2024-10-14 10:30:05,804 INFO L226 Difference]: Without dead ends: 2413 [2024-10-14 10:30:05,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:30:05,810 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 380 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:05,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 506 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 10:30:05,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2024-10-14 10:30:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2409. [2024-10-14 10:30:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2409 states, 1708 states have (on average 1.4508196721311475) internal successors, (2478), 1708 states have internal predecessors, (2478), 680 states have call successors, (680), 20 states have call predecessors, (680), 20 states have return successors, (680), 680 states have call predecessors, (680), 680 states have call successors, (680) [2024-10-14 10:30:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 3838 transitions. [2024-10-14 10:30:06,086 INFO L78 Accepts]: Start accepts. Automaton has 2409 states and 3838 transitions. Word has length 220 [2024-10-14 10:30:06,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:06,086 INFO L471 AbstractCegarLoop]: Abstraction has 2409 states and 3838 transitions. [2024-10-14 10:30:06,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:06,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 3838 transitions. [2024-10-14 10:30:06,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-14 10:30:06,091 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:06,091 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:06,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 10:30:06,092 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:06,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:06,092 INFO L85 PathProgramCache]: Analyzing trace with hash 2121134321, now seen corresponding path program 1 times [2024-10-14 10:30:06,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:06,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568440752] [2024-10-14 10:30:06,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:06,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:06,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:06,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:06,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568440752] [2024-10-14 10:30:06,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568440752] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:06,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:06,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:30:06,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329624339] [2024-10-14 10:30:06,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:06,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:30:06,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:06,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:30:06,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:06,479 INFO L87 Difference]: Start difference. First operand 2409 states and 3838 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:06,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:06,903 INFO L93 Difference]: Finished difference Result 5743 states and 9162 transitions. [2024-10-14 10:30:06,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:30:06,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-10-14 10:30:06,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:06,933 INFO L225 Difference]: With dead ends: 5743 [2024-10-14 10:30:06,933 INFO L226 Difference]: Without dead ends: 4275 [2024-10-14 10:30:06,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:06,942 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 128 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:06,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 354 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:30:06,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2024-10-14 10:30:07,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 4273. [2024-10-14 10:30:07,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4273 states, 3012 states have (on average 1.4428950863213812) internal successors, (4346), 3012 states have internal predecessors, (4346), 1224 states have call successors, (1224), 36 states have call predecessors, (1224), 36 states have return successors, (1224), 1224 states have call predecessors, (1224), 1224 states have call successors, (1224) [2024-10-14 10:30:07,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 4273 states and 6794 transitions. [2024-10-14 10:30:07,454 INFO L78 Accepts]: Start accepts. Automaton has 4273 states and 6794 transitions. Word has length 220 [2024-10-14 10:30:07,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:07,455 INFO L471 AbstractCegarLoop]: Abstraction has 4273 states and 6794 transitions. [2024-10-14 10:30:07,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 4273 states and 6794 transitions. [2024-10-14 10:30:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-14 10:30:07,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:07,458 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:07,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 10:30:07,459 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:07,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:07,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1522895250, now seen corresponding path program 1 times [2024-10-14 10:30:07,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:07,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258393278] [2024-10-14 10:30:07,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:07,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:07,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:07,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258393278] [2024-10-14 10:30:07,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258393278] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:07,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:07,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:30:07,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133106714] [2024-10-14 10:30:07,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:07,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:30:07,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:07,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:30:07,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:07,746 INFO L87 Difference]: Start difference. First operand 4273 states and 6794 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:08,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:08,607 INFO L93 Difference]: Finished difference Result 12817 states and 20380 transitions. [2024-10-14 10:30:08,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:30:08,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-10-14 10:30:08,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:08,667 INFO L225 Difference]: With dead ends: 12817 [2024-10-14 10:30:08,667 INFO L226 Difference]: Without dead ends: 8545 [2024-10-14 10:30:08,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:08,686 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 127 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:08,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 340 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:30:08,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8545 states. [2024-10-14 10:30:09,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8545 to 8507. [2024-10-14 10:30:09,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8507 states, 5986 states have (on average 1.4396926161042432) internal successors, (8618), 5986 states have internal predecessors, (8618), 2448 states have call successors, (2448), 72 states have call predecessors, (2448), 72 states have return successors, (2448), 2448 states have call predecessors, (2448), 2448 states have call successors, (2448) [2024-10-14 10:30:09,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8507 states to 8507 states and 13514 transitions. [2024-10-14 10:30:09,637 INFO L78 Accepts]: Start accepts. Automaton has 8507 states and 13514 transitions. Word has length 221 [2024-10-14 10:30:09,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:09,638 INFO L471 AbstractCegarLoop]: Abstraction has 8507 states and 13514 transitions. [2024-10-14 10:30:09,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 8507 states and 13514 transitions. [2024-10-14 10:30:09,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-14 10:30:09,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:09,641 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:09,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 10:30:09,642 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:09,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:09,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1796696424, now seen corresponding path program 1 times [2024-10-14 10:30:09,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:09,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946003582] [2024-10-14 10:30:09,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:09,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:09,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:09,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:09,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946003582] [2024-10-14 10:30:09,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946003582] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:09,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:09,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:30:09,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145090218] [2024-10-14 10:30:09,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:09,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:30:09,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:09,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:30:09,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:09,995 INFO L87 Difference]: Start difference. First operand 8507 states and 13514 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:11,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:11,333 INFO L93 Difference]: Finished difference Result 21363 states and 33992 transitions. [2024-10-14 10:30:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:30:11,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-10-14 10:30:11,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:11,434 INFO L225 Difference]: With dead ends: 21363 [2024-10-14 10:30:11,435 INFO L226 Difference]: Without dead ends: 12857 [2024-10-14 10:30:11,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:11,468 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 121 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:11,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 357 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:30:11,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12857 states. [2024-10-14 10:30:12,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12857 to 12855. [2024-10-14 10:30:12,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12855 states, 9074 states have (on average 1.4324443464844612) internal successors, (12998), 9074 states have internal predecessors, (12998), 3672 states have call successors, (3672), 108 states have call predecessors, (3672), 108 states have return successors, (3672), 3672 states have call predecessors, (3672), 3672 states have call successors, (3672) [2024-10-14 10:30:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12855 states to 12855 states and 20342 transitions. [2024-10-14 10:30:12,617 INFO L78 Accepts]: Start accepts. Automaton has 12855 states and 20342 transitions. Word has length 222 [2024-10-14 10:30:12,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:12,619 INFO L471 AbstractCegarLoop]: Abstraction has 12855 states and 20342 transitions. [2024-10-14 10:30:12,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 12855 states and 20342 transitions. [2024-10-14 10:30:12,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-14 10:30:12,622 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:12,622 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:12,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 10:30:12,623 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:12,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:12,623 INFO L85 PathProgramCache]: Analyzing trace with hash 526780161, now seen corresponding path program 1 times [2024-10-14 10:30:12,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:12,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831997803] [2024-10-14 10:30:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:12,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:12,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:12,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831997803] [2024-10-14 10:30:12,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831997803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:12,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:12,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:30:12,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331569212] [2024-10-14 10:30:12,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:12,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:30:12,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:12,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:30:12,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:30:12,829 INFO L87 Difference]: Start difference. First operand 12855 states and 20342 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:13,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:13,805 INFO L93 Difference]: Finished difference Result 25765 states and 40792 transitions. [2024-10-14 10:30:13,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 10:30:13,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 223 [2024-10-14 10:30:13,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:14,022 INFO L225 Difference]: With dead ends: 25765 [2024-10-14 10:30:14,022 INFO L226 Difference]: Without dead ends: 12911 [2024-10-14 10:30:14,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:30:14,071 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 121 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:14,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 459 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:30:14,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12911 states. [2024-10-14 10:30:15,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12911 to 12855. [2024-10-14 10:30:15,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12855 states, 9074 states have (on average 1.428036147233855) internal successors, (12958), 9074 states have internal predecessors, (12958), 3672 states have call successors, (3672), 108 states have call predecessors, (3672), 108 states have return successors, (3672), 3672 states have call predecessors, (3672), 3672 states have call successors, (3672) [2024-10-14 10:30:15,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12855 states to 12855 states and 20302 transitions. [2024-10-14 10:30:15,570 INFO L78 Accepts]: Start accepts. Automaton has 12855 states and 20302 transitions. Word has length 223 [2024-10-14 10:30:15,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:15,571 INFO L471 AbstractCegarLoop]: Abstraction has 12855 states and 20302 transitions. [2024-10-14 10:30:15,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:15,571 INFO L276 IsEmpty]: Start isEmpty. Operand 12855 states and 20302 transitions. [2024-10-14 10:30:15,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-14 10:30:15,574 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:15,574 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:15,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 10:30:15,575 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:15,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:15,576 INFO L85 PathProgramCache]: Analyzing trace with hash 419488117, now seen corresponding path program 1 times [2024-10-14 10:30:15,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:15,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194325336] [2024-10-14 10:30:15,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:15,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:15,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:15,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194325336] [2024-10-14 10:30:15,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194325336] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:15,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:15,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:30:15,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166773480] [2024-10-14 10:30:15,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:15,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:30:15,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:15,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:30:15,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:30:15,936 INFO L87 Difference]: Start difference. First operand 12855 states and 20302 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:18,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:18,955 INFO L93 Difference]: Finished difference Result 41655 states and 65917 transitions. [2024-10-14 10:30:18,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 10:30:18,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-10-14 10:30:18,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:19,145 INFO L225 Difference]: With dead ends: 41655 [2024-10-14 10:30:19,145 INFO L226 Difference]: Without dead ends: 28801 [2024-10-14 10:30:19,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-14 10:30:19,213 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 521 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:19,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 684 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 10:30:19,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28801 states. [2024-10-14 10:30:21,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28801 to 16583. [2024-10-14 10:30:21,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16583 states, 12016 states have (on average 1.4450732356857523) internal successors, (17364), 12074 states have internal predecessors, (17364), 4414 states have call successors, (4414), 152 states have call predecessors, (4414), 152 states have return successors, (4414), 4356 states have call predecessors, (4414), 4414 states have call successors, (4414) [2024-10-14 10:30:21,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16583 states to 16583 states and 26192 transitions. [2024-10-14 10:30:21,631 INFO L78 Accepts]: Start accepts. Automaton has 16583 states and 26192 transitions. Word has length 224 [2024-10-14 10:30:21,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:21,632 INFO L471 AbstractCegarLoop]: Abstraction has 16583 states and 26192 transitions. [2024-10-14 10:30:21,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 16583 states and 26192 transitions. [2024-10-14 10:30:21,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-14 10:30:21,636 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:21,636 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:21,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 10:30:21,636 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:21,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:21,637 INFO L85 PathProgramCache]: Analyzing trace with hash 285474611, now seen corresponding path program 1 times [2024-10-14 10:30:21,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:21,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706389175] [2024-10-14 10:30:21,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:21,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:21,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:21,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:21,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706389175] [2024-10-14 10:30:21,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706389175] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:21,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:21,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:30:21,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363982438] [2024-10-14 10:30:21,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:21,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:30:21,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:21,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:30:21,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:30:21,940 INFO L87 Difference]: Start difference. First operand 16583 states and 26192 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:23,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:23,576 INFO L93 Difference]: Finished difference Result 33065 states and 52283 transitions. [2024-10-14 10:30:23,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 10:30:23,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-10-14 10:30:23,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:23,680 INFO L225 Difference]: With dead ends: 33065 [2024-10-14 10:30:23,681 INFO L226 Difference]: Without dead ends: 16483 [2024-10-14 10:30:23,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:30:23,727 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:23,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 532 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:30:23,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16483 states. [2024-10-14 10:30:25,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16483 to 16483. [2024-10-14 10:30:25,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16483 states, 11916 states have (on average 1.43202416918429) internal successors, (17064), 11974 states have internal predecessors, (17064), 4414 states have call successors, (4414), 152 states have call predecessors, (4414), 152 states have return successors, (4414), 4356 states have call predecessors, (4414), 4414 states have call successors, (4414) [2024-10-14 10:30:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16483 states to 16483 states and 25892 transitions. [2024-10-14 10:30:25,565 INFO L78 Accepts]: Start accepts. Automaton has 16483 states and 25892 transitions. Word has length 224 [2024-10-14 10:30:25,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:25,565 INFO L471 AbstractCegarLoop]: Abstraction has 16483 states and 25892 transitions. [2024-10-14 10:30:25,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:25,566 INFO L276 IsEmpty]: Start isEmpty. Operand 16483 states and 25892 transitions. [2024-10-14 10:30:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-14 10:30:25,568 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:25,569 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:25,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 10:30:25,569 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:25,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:25,570 INFO L85 PathProgramCache]: Analyzing trace with hash -137227215, now seen corresponding path program 1 times [2024-10-14 10:30:25,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:25,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79716319] [2024-10-14 10:30:25,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:25,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:25,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:25,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:25,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:25,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:25,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:26,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:26,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79716319] [2024-10-14 10:30:26,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79716319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:26,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:26,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:30:26,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892260355] [2024-10-14 10:30:26,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:26,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:30:26,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:26,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:30:26,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:26,263 INFO L87 Difference]: Start difference. First operand 16483 states and 25892 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:28,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:28,520 INFO L93 Difference]: Finished difference Result 38277 states and 60084 transitions. [2024-10-14 10:30:28,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:30:28,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-10-14 10:30:28,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:28,670 INFO L225 Difference]: With dead ends: 38277 [2024-10-14 10:30:28,670 INFO L226 Difference]: Without dead ends: 21795 [2024-10-14 10:30:28,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:30:28,717 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 123 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:28,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 343 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:30:28,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21795 states. [2024-10-14 10:30:30,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21795 to 21745. [2024-10-14 10:30:30,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21745 states, 15696 states have (on average 1.429026503567788) internal successors, (22430), 15780 states have internal predecessors, (22430), 5844 states have call successors, (5844), 204 states have call predecessors, (5844), 204 states have return successors, (5844), 5760 states have call predecessors, (5844), 5844 states have call successors, (5844) [2024-10-14 10:30:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21745 states to 21745 states and 34118 transitions. [2024-10-14 10:30:31,076 INFO L78 Accepts]: Start accepts. Automaton has 21745 states and 34118 transitions. Word has length 224 [2024-10-14 10:30:31,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:31,077 INFO L471 AbstractCegarLoop]: Abstraction has 21745 states and 34118 transitions. [2024-10-14 10:30:31,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:31,077 INFO L276 IsEmpty]: Start isEmpty. Operand 21745 states and 34118 transitions. [2024-10-14 10:30:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-14 10:30:31,080 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:31,080 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:31,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 10:30:31,081 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:31,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:31,081 INFO L85 PathProgramCache]: Analyzing trace with hash -771158364, now seen corresponding path program 1 times [2024-10-14 10:30:31,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:31,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842471537] [2024-10-14 10:30:31,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:31,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-14 10:30:31,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:31,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842471537] [2024-10-14 10:30:31,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842471537] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 10:30:31,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105447912] [2024-10-14 10:30:31,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:31,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 10:30:31,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:30:31,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 10:30:31,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 10:30:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:31,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-14 10:30:31,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 10:30:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1083 proven. 36 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-10-14 10:30:31,963 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 10:30:32,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-14 10:30:32,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105447912] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 10:30:32,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 10:30:32,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-10-14 10:30:32,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009175344] [2024-10-14 10:30:32,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 10:30:32,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 10:30:32,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:32,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 10:30:32,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-14 10:30:32,272 INFO L87 Difference]: Start difference. First operand 21745 states and 34118 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-10-14 10:30:35,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:35,518 INFO L93 Difference]: Finished difference Result 41389 states and 63909 transitions. [2024-10-14 10:30:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 10:30:35,519 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 225 [2024-10-14 10:30:35,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:35,634 INFO L225 Difference]: With dead ends: 41389 [2024-10-14 10:30:35,635 INFO L226 Difference]: Without dead ends: 19645 [2024-10-14 10:30:35,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 511 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-10-14 10:30:35,690 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 775 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:35,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 437 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 10:30:35,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19645 states. [2024-10-14 10:30:37,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19645 to 17159. [2024-10-14 10:30:37,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17159 states, 12334 states have (on average 1.4027079617317983) internal successors, (17301), 12354 states have internal predecessors, (17301), 4500 states have call successors, (4500), 324 states have call predecessors, (4500), 324 states have return successors, (4500), 4480 states have call predecessors, (4500), 4500 states have call successors, (4500) [2024-10-14 10:30:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17159 states to 17159 states and 26301 transitions. [2024-10-14 10:30:37,426 INFO L78 Accepts]: Start accepts. Automaton has 17159 states and 26301 transitions. Word has length 225 [2024-10-14 10:30:37,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:37,427 INFO L471 AbstractCegarLoop]: Abstraction has 17159 states and 26301 transitions. [2024-10-14 10:30:37,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-10-14 10:30:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand 17159 states and 26301 transitions. [2024-10-14 10:30:37,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-14 10:30:37,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:37,431 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:37,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 10:30:37,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-14 10:30:37,633 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:37,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:37,633 INFO L85 PathProgramCache]: Analyzing trace with hash 168658089, now seen corresponding path program 1 times [2024-10-14 10:30:37,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:37,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3550951] [2024-10-14 10:30:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:37,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:38,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:38,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3550951] [2024-10-14 10:30:38,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3550951] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:38,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:38,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:30:38,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008152037] [2024-10-14 10:30:38,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:38,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:30:38,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:38,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:30:38,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:30:38,278 INFO L87 Difference]: Start difference. First operand 17159 states and 26301 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:40,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:40,814 INFO L93 Difference]: Finished difference Result 35403 states and 54280 transitions. [2024-10-14 10:30:40,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:30:40,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-10-14 10:30:40,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:40,922 INFO L225 Difference]: With dead ends: 35403 [2024-10-14 10:30:40,922 INFO L226 Difference]: Without dead ends: 18245 [2024-10-14 10:30:40,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-14 10:30:40,974 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 310 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:40,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 551 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 10:30:40,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18245 states. [2024-10-14 10:30:42,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18245 to 18131. [2024-10-14 10:30:42,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18131 states, 12910 states have (on average 1.392563903950426) internal successors, (17978), 12948 states have internal predecessors, (17978), 4878 states have call successors, (4878), 342 states have call predecessors, (4878), 342 states have return successors, (4878), 4840 states have call predecessors, (4878), 4878 states have call successors, (4878) [2024-10-14 10:30:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18131 states to 18131 states and 27734 transitions. [2024-10-14 10:30:42,895 INFO L78 Accepts]: Start accepts. Automaton has 18131 states and 27734 transitions. Word has length 226 [2024-10-14 10:30:42,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:42,896 INFO L471 AbstractCegarLoop]: Abstraction has 18131 states and 27734 transitions. [2024-10-14 10:30:42,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:42,896 INFO L276 IsEmpty]: Start isEmpty. Operand 18131 states and 27734 transitions. [2024-10-14 10:30:42,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-14 10:30:42,899 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:42,900 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:42,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 10:30:42,900 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:42,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:42,900 INFO L85 PathProgramCache]: Analyzing trace with hash 87648624, now seen corresponding path program 1 times [2024-10-14 10:30:42,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:42,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937449745] [2024-10-14 10:30:42,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:42,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:43,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:43,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937449745] [2024-10-14 10:30:43,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937449745] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:43,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:43,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:30:43,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423529748] [2024-10-14 10:30:43,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:43,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:30:43,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:43,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:30:43,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:30:43,551 INFO L87 Difference]: Start difference. First operand 18131 states and 27734 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:47,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:47,635 INFO L93 Difference]: Finished difference Result 54717 states and 83619 transitions. [2024-10-14 10:30:47,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 10:30:47,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 227 [2024-10-14 10:30:47,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:47,810 INFO L225 Difference]: With dead ends: 54717 [2024-10-14 10:30:47,810 INFO L226 Difference]: Without dead ends: 36587 [2024-10-14 10:30:47,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:30:47,870 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 603 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:47,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 541 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 10:30:47,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36587 states. [2024-10-14 10:30:50,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36587 to 27768. [2024-10-14 10:30:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27768 states, 19949 states have (on average 1.3940047120156398) internal successors, (27809), 20029 states have internal predecessors, (27809), 7324 states have call successors, (7324), 494 states have call predecessors, (7324), 494 states have return successors, (7324), 7244 states have call predecessors, (7324), 7324 states have call successors, (7324) [2024-10-14 10:30:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27768 states to 27768 states and 42457 transitions. [2024-10-14 10:30:51,061 INFO L78 Accepts]: Start accepts. Automaton has 27768 states and 42457 transitions. Word has length 227 [2024-10-14 10:30:51,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:30:51,062 INFO L471 AbstractCegarLoop]: Abstraction has 27768 states and 42457 transitions. [2024-10-14 10:30:51,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand 27768 states and 42457 transitions. [2024-10-14 10:30:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-14 10:30:51,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:30:51,066 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:30:51,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 10:30:51,066 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:30:51,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:30:51,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1400782901, now seen corresponding path program 1 times [2024-10-14 10:30:51,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:30:51,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9390033] [2024-10-14 10:30:51,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:30:51,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:30:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:30:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:30:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:30:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:30:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:30:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:30:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:30:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:30:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:30:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:30:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:30:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 10:30:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:30:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 10:30:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:30:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-14 10:30:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:30:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:30:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:30:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:30:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:30:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:30:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:30:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 10:30:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 10:30:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 10:30:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 10:30:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:30:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:30:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:30:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:30:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:30:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:30:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:30:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:30:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-14 10:30:51,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:30:51,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9390033] [2024-10-14 10:30:51,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9390033] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:30:51,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:30:51,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:30:51,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063449761] [2024-10-14 10:30:51,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:30:51,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:30:51,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:30:51,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:30:51,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:30:51,637 INFO L87 Difference]: Start difference. First operand 27768 states and 42457 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-14 10:30:54,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:30:54,408 INFO L93 Difference]: Finished difference Result 55579 states and 84998 transitions. [2024-10-14 10:30:54,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 10:30:54,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 227 [2024-10-14 10:30:54,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:30:54,551 INFO L225 Difference]: With dead ends: 55579 [2024-10-14 10:30:54,551 INFO L226 Difference]: Without dead ends: 27812 [2024-10-14 10:30:54,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:30:54,627 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 109 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:30:54,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 457 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 10:30:54,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27812 states.