./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_operatoramount_amount500_file-79.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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_operatoramount_amount500_file-79.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 72bf3c0845cdd2bb0ceb7773d767081845ae984de3bbd8e14ca740b1ff59160d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 10:48:22,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 10:48:22,511 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 10:48:22,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 10:48:22,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 10:48:22,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 10:48:22,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 10:48:22,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 10:48:22,533 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 10:48:22,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 10:48:22,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 10:48:22,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 10:48:22,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 10:48:22,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 10:48:22,535 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 10:48:22,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 10:48:22,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 10:48:22,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 10:48:22,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 10:48:22,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 10:48:22,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 10:48:22,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 10:48:22,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 10:48:22,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 10:48:22,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 10:48:22,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 10:48:22,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 10:48:22,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 10:48:22,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 10:48:22,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 10:48:22,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 10:48:22,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 10:48:22,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:48:22,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 10:48:22,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 10:48:22,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 10:48:22,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 10:48:22,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 10:48:22,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 10:48:22,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 10:48:22,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 10:48:22,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 10:48:22,548 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72bf3c0845cdd2bb0ceb7773d767081845ae984de3bbd8e14ca740b1ff59160d [2024-10-24 10:48:22,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 10:48:22,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 10:48:22,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 10:48:22,804 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 10:48:22,804 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 10:48:22,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-79.i [2024-10-24 10:48:24,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 10:48:24,460 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 10:48:24,461 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-79.i [2024-10-24 10:48:24,476 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4acb10a29/240264dcb28542b596eb5db8b318cf62/FLAGe8649b6d6 [2024-10-24 10:48:24,489 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4acb10a29/240264dcb28542b596eb5db8b318cf62 [2024-10-24 10:48:24,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 10:48:24,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 10:48:24,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 10:48:24,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 10:48:24,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 10:48:24,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:24" (1/1) ... [2024-10-24 10:48:24,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69327b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:24, skipping insertion in model container [2024-10-24 10:48:24,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:24" (1/1) ... [2024-10-24 10:48:24,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 10:48:24,687 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_operatoramount_amount500_file-79.i[916,929] [2024-10-24 10:48:24,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:48:25,002 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 10:48:25,011 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_operatoramount_amount500_file-79.i[916,929] [2024-10-24 10:48:25,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:48:25,119 INFO L204 MainTranslator]: Completed translation [2024-10-24 10:48:25,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25 WrapperNode [2024-10-24 10:48:25,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 10:48:25,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 10:48:25,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 10:48:25,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 10:48:25,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (1/1) ... [2024-10-24 10:48:25,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (1/1) ... [2024-10-24 10:48:25,251 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 754 [2024-10-24 10:48:25,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 10:48:25,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 10:48:25,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 10:48:25,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 10:48:25,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (1/1) ... [2024-10-24 10:48:25,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (1/1) ... [2024-10-24 10:48:25,276 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (1/1) ... [2024-10-24 10:48:25,391 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]. [2024-10-24 10:48:25,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (1/1) ... [2024-10-24 10:48:25,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (1/1) ... [2024-10-24 10:48:25,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (1/1) ... [2024-10-24 10:48:25,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (1/1) ... [2024-10-24 10:48:25,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (1/1) ... [2024-10-24 10:48:25,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (1/1) ... [2024-10-24 10:48:25,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 10:48:25,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 10:48:25,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 10:48:25,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 10:48:25,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (1/1) ... [2024-10-24 10:48:25,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:48:25,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:25,578 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) [2024-10-24 10:48:25,583 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 [2024-10-24 10:48:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 10:48:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 10:48:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 10:48:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 10:48:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 10:48:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 10:48:25,730 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 10:48:25,732 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 10:48:26,790 INFO L? ?]: Removed 101 outVars from TransFormulas that were not future-live. [2024-10-24 10:48:26,790 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 10:48:26,849 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 10:48:26,852 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 10:48:26,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:48:26 BoogieIcfgContainer [2024-10-24 10:48:26,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 10:48:26,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 10:48:26,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 10:48:26,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 10:48:26,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:48:24" (1/3) ... [2024-10-24 10:48:26,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcc236a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:48:26, skipping insertion in model container [2024-10-24 10:48:26,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:25" (2/3) ... [2024-10-24 10:48:26,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bcc236a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:48:26, skipping insertion in model container [2024-10-24 10:48:26,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:48:26" (3/3) ... [2024-10-24 10:48:26,858 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-79.i [2024-10-24 10:48:26,872 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 10:48:26,872 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 10:48:26,924 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 10:48:26,929 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;@64c3a035, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 10:48:26,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 10:48:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 297 states, 232 states have (on average 1.581896551724138) internal successors, (367), 233 states have internal predecessors, (367), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 10:48:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2024-10-24 10:48:26,955 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:26,956 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:26,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:26,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:26,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1439532184, now seen corresponding path program 1 times [2024-10-24 10:48:26,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:26,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583354632] [2024-10-24 10:48:26,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:26,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,698 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-10-24 10:48:27,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:27,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583354632] [2024-10-24 10:48:27,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583354632] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:27,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:27,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 10:48:27,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945118233] [2024-10-24 10:48:27,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:27,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 10:48:27,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:27,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 10:48:27,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:48:27,733 INFO L87 Difference]: Start difference. First operand has 297 states, 232 states have (on average 1.581896551724138) internal successors, (367), 233 states have internal predecessors, (367), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) [2024-10-24 10:48:27,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:27,814 INFO L93 Difference]: Finished difference Result 587 states and 1036 transitions. [2024-10-24 10:48:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 10:48:27,817 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) Word has length 433 [2024-10-24 10:48:27,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:27,828 INFO L225 Difference]: With dead ends: 587 [2024-10-24 10:48:27,830 INFO L226 Difference]: Without dead ends: 291 [2024-10-24 10:48:27,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:48:27,840 INFO L432 NwaCegarLoop]: 476 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, 476 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 [2024-10-24 10:48:27,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 476 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:48:27,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-10-24 10:48:27,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2024-10-24 10:48:27,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 227 states have (on average 1.5638766519823788) internal successors, (355), 227 states have internal predecessors, (355), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-24 10:48:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 479 transitions. [2024-10-24 10:48:27,920 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 479 transitions. Word has length 433 [2024-10-24 10:48:27,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:27,921 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 479 transitions. [2024-10-24 10:48:27,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) [2024-10-24 10:48:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 479 transitions. [2024-10-24 10:48:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2024-10-24 10:48:27,934 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:27,934 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:27,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 10:48:27,935 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:27,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2004493348, now seen corresponding path program 1 times [2024-10-24 10:48:27,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:27,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097547580] [2024-10-24 10:48:27,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:27,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:28,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-10-24 10:48:28,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:28,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097547580] [2024-10-24 10:48:28,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097547580] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:28,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:28,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:28,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401503438] [2024-10-24 10:48:28,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:28,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:28,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:28,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:28,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:28,663 INFO L87 Difference]: Start difference. First operand 291 states and 479 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:29,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:29,085 INFO L93 Difference]: Finished difference Result 1023 states and 1681 transitions. [2024-10-24 10:48:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:29,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 433 [2024-10-24 10:48:29,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:29,095 INFO L225 Difference]: With dead ends: 1023 [2024-10-24 10:48:29,096 INFO L226 Difference]: Without dead ends: 733 [2024-10-24 10:48:29,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:29,098 INFO L432 NwaCegarLoop]: 776 mSDtfsCounter, 714 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:29,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 1505 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 10:48:29,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-10-24 10:48:29,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 728. [2024-10-24 10:48:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 594 states have (on average 1.5437710437710437) internal successors, (917), 595 states have internal predecessors, (917), 130 states have call successors, (130), 3 states have call predecessors, (130), 3 states have return successors, (130), 129 states have call predecessors, (130), 130 states have call successors, (130) [2024-10-24 10:48:29,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 1177 transitions. [2024-10-24 10:48:29,168 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 1177 transitions. Word has length 433 [2024-10-24 10:48:29,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:29,172 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 1177 transitions. [2024-10-24 10:48:29,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 4 states have internal predecessors, (126), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:29,172 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1177 transitions. [2024-10-24 10:48:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2024-10-24 10:48:29,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:29,182 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:29,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 10:48:29,182 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:29,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:29,183 INFO L85 PathProgramCache]: Analyzing trace with hash -784154982, now seen corresponding path program 1 times [2024-10-24 10:48:29,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:29,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986102987] [2024-10-24 10:48:29,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:29,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-10-24 10:48:29,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:29,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986102987] [2024-10-24 10:48:29,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986102987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:29,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:29,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:48:29,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766081512] [2024-10-24 10:48:29,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:29,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:48:29,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:29,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:48:29,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:29,684 INFO L87 Difference]: Start difference. First operand 728 states and 1177 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:29,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:29,940 INFO L93 Difference]: Finished difference Result 1778 states and 2873 transitions. [2024-10-24 10:48:29,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:48:29,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 433 [2024-10-24 10:48:29,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:29,974 INFO L225 Difference]: With dead ends: 1778 [2024-10-24 10:48:29,975 INFO L226 Difference]: Without dead ends: 1051 [2024-10-24 10:48:29,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:29,983 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 252 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:29,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 950 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:29,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2024-10-24 10:48:30,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 912. [2024-10-24 10:48:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 771 states have (on average 1.5654993514915694) internal successors, (1207), 773 states have internal predecessors, (1207), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 134 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-24 10:48:30,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1479 transitions. [2024-10-24 10:48:30,037 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1479 transitions. Word has length 433 [2024-10-24 10:48:30,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:30,038 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1479 transitions. [2024-10-24 10:48:30,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:30,038 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1479 transitions. [2024-10-24 10:48:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2024-10-24 10:48:30,046 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:30,046 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:30,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 10:48:30,047 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:30,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:30,047 INFO L85 PathProgramCache]: Analyzing trace with hash -2065482379, now seen corresponding path program 1 times [2024-10-24 10:48:30,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:30,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729610432] [2024-10-24 10:48:30,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:30,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-10-24 10:48:30,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:30,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729610432] [2024-10-24 10:48:30,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729610432] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:30,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:30,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:48:30,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628190398] [2024-10-24 10:48:30,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:30,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:48:30,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:30,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:48:30,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:30,501 INFO L87 Difference]: Start difference. First operand 912 states and 1479 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:30,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:30,588 INFO L93 Difference]: Finished difference Result 1975 states and 3206 transitions. [2024-10-24 10:48:30,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:48:30,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 434 [2024-10-24 10:48:30,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:30,597 INFO L225 Difference]: With dead ends: 1975 [2024-10-24 10:48:30,597 INFO L226 Difference]: Without dead ends: 1064 [2024-10-24 10:48:30,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:30,601 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 423 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:30,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 864 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:48:30,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-10-24 10:48:30,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 896. [2024-10-24 10:48:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 755 states have (on average 1.504635761589404) internal successors, (1136), 757 states have internal predecessors, (1136), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 134 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-24 10:48:30,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1408 transitions. [2024-10-24 10:48:30,664 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1408 transitions. Word has length 434 [2024-10-24 10:48:30,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:30,665 INFO L471 AbstractCegarLoop]: Abstraction has 896 states and 1408 transitions. [2024-10-24 10:48:30,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:30,665 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1408 transitions. [2024-10-24 10:48:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2024-10-24 10:48:30,671 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:30,671 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:30,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 10:48:30,672 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:30,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:30,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2011477980, now seen corresponding path program 1 times [2024-10-24 10:48:30,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:30,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474621541] [2024-10-24 10:48:30,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:30,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-10-24 10:48:31,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:31,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474621541] [2024-10-24 10:48:31,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474621541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:31,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:31,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 10:48:31,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655596092] [2024-10-24 10:48:31,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:31,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 10:48:31,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:31,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 10:48:31,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:31,350 INFO L87 Difference]: Start difference. First operand 896 states and 1408 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:31,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:31,561 INFO L93 Difference]: Finished difference Result 1821 states and 2865 transitions. [2024-10-24 10:48:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:48:31,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 435 [2024-10-24 10:48:31,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:31,567 INFO L225 Difference]: With dead ends: 1821 [2024-10-24 10:48:31,568 INFO L226 Difference]: Without dead ends: 926 [2024-10-24 10:48:31,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:48:31,571 INFO L432 NwaCegarLoop]: 764 mSDtfsCounter, 409 mSDsluCounter, 1672 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 2436 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:31,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 2436 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:48:31,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-24 10:48:31,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 877. [2024-10-24 10:48:31,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 736 states have (on average 1.4741847826086956) internal successors, (1085), 738 states have internal predecessors, (1085), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 134 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-24 10:48:31,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1357 transitions. [2024-10-24 10:48:31,656 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1357 transitions. Word has length 435 [2024-10-24 10:48:31,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:31,656 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1357 transitions. [2024-10-24 10:48:31,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:31,657 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1357 transitions. [2024-10-24 10:48:31,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2024-10-24 10:48:31,663 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:31,664 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:31,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 10:48:31,664 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:31,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:31,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1393809205, now seen corresponding path program 1 times [2024-10-24 10:48:31,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:31,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014382163] [2024-10-24 10:48:31,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:31,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-10-24 10:48:32,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:32,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014382163] [2024-10-24 10:48:32,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014382163] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:32,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:32,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 10:48:32,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706119150] [2024-10-24 10:48:32,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:32,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 10:48:32,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:32,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 10:48:32,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:32,414 INFO L87 Difference]: Start difference. First operand 877 states and 1357 transitions. Second operand has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:32,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:32,738 INFO L93 Difference]: Finished difference Result 2498 states and 3866 transitions. [2024-10-24 10:48:32,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:48:32,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 436 [2024-10-24 10:48:32,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:32,746 INFO L225 Difference]: With dead ends: 2498 [2024-10-24 10:48:32,746 INFO L226 Difference]: Without dead ends: 1622 [2024-10-24 10:48:32,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 10:48:32,749 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 375 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1796 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:32,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1796 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:32,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2024-10-24 10:48:32,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1564. [2024-10-24 10:48:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1360 states have (on average 1.4933823529411765) internal successors, (2031), 1362 states have internal predecessors, (2031), 198 states have call successors, (198), 5 states have call predecessors, (198), 5 states have return successors, (198), 196 states have call predecessors, (198), 198 states have call successors, (198) [2024-10-24 10:48:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2427 transitions. [2024-10-24 10:48:32,828 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2427 transitions. Word has length 436 [2024-10-24 10:48:32,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:32,828 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2427 transitions. [2024-10-24 10:48:32,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:32,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2427 transitions. [2024-10-24 10:48:32,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-10-24 10:48:32,833 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:32,833 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:32,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 10:48:32,833 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:32,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:32,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1832808698, now seen corresponding path program 1 times [2024-10-24 10:48:32,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:32,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813267497] [2024-10-24 10:48:32,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:32,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-10-24 10:48:33,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:33,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813267497] [2024-10-24 10:48:33,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813267497] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:33,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:33,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 10:48:33,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382113513] [2024-10-24 10:48:33,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:33,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 10:48:33,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:33,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 10:48:33,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:33,264 INFO L87 Difference]: Start difference. First operand 1564 states and 2427 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:33,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:33,533 INFO L93 Difference]: Finished difference Result 3039 states and 4695 transitions. [2024-10-24 10:48:33,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:48:33,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 438 [2024-10-24 10:48:33,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:33,540 INFO L225 Difference]: With dead ends: 3039 [2024-10-24 10:48:33,540 INFO L226 Difference]: Without dead ends: 1608 [2024-10-24 10:48:33,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 10:48:33,543 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 385 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:33,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1813 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:33,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2024-10-24 10:48:33,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1566. [2024-10-24 10:48:33,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1362 states have (on average 1.4897209985315711) internal successors, (2029), 1364 states have internal predecessors, (2029), 198 states have call successors, (198), 5 states have call predecessors, (198), 5 states have return successors, (198), 196 states have call predecessors, (198), 198 states have call successors, (198) [2024-10-24 10:48:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2425 transitions. [2024-10-24 10:48:33,612 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2425 transitions. Word has length 438 [2024-10-24 10:48:33,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:33,613 INFO L471 AbstractCegarLoop]: Abstraction has 1566 states and 2425 transitions. [2024-10-24 10:48:33,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:33,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2425 transitions. [2024-10-24 10:48:33,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-10-24 10:48:33,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:33,616 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:33,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 10:48:33,616 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:33,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:33,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1451818952, now seen corresponding path program 1 times [2024-10-24 10:48:33,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:33,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355852585] [2024-10-24 10:48:33,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:33,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-10-24 10:48:35,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:35,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355852585] [2024-10-24 10:48:35,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355852585] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:35,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:35,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:35,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523256272] [2024-10-24 10:48:35,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:35,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:35,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:35,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:35,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:35,349 INFO L87 Difference]: Start difference. First operand 1566 states and 2425 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:35,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:35,713 INFO L93 Difference]: Finished difference Result 3053 states and 4707 transitions. [2024-10-24 10:48:35,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:35,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 438 [2024-10-24 10:48:35,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:35,719 INFO L225 Difference]: With dead ends: 3053 [2024-10-24 10:48:35,720 INFO L226 Difference]: Without dead ends: 1608 [2024-10-24 10:48:35,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:35,722 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 358 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 1320 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:35,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 1320 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 10:48:35,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2024-10-24 10:48:35,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1566. [2024-10-24 10:48:35,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1362 states have (on average 1.488252569750367) internal successors, (2027), 1364 states have internal predecessors, (2027), 198 states have call successors, (198), 5 states have call predecessors, (198), 5 states have return successors, (198), 196 states have call predecessors, (198), 198 states have call successors, (198) [2024-10-24 10:48:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2423 transitions. [2024-10-24 10:48:35,797 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2423 transitions. Word has length 438 [2024-10-24 10:48:35,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:35,798 INFO L471 AbstractCegarLoop]: Abstraction has 1566 states and 2423 transitions. [2024-10-24 10:48:35,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:35,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2423 transitions. [2024-10-24 10:48:35,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-10-24 10:48:35,800 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:35,801 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:35,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 10:48:35,801 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:35,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:35,801 INFO L85 PathProgramCache]: Analyzing trace with hash 381062369, now seen corresponding path program 1 times [2024-10-24 10:48:35,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:35,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116907634] [2024-10-24 10:48:35,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:35,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,573 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 27 proven. 156 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-10-24 10:48:39,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:39,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116907634] [2024-10-24 10:48:39,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116907634] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:39,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979869578] [2024-10-24 10:48:39,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:39,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:39,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:39,578 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) [2024-10-24 10:48:39,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 10:48:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 10:48:39,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 2437 proven. 147 refuted. 0 times theorem prover too weak. 4980 trivial. 0 not checked. [2024-10-24 10:48:40,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:48:41,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 36 proven. 147 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-10-24 10:48:41,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979869578] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:48:41,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:48:41,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 8] total 17 [2024-10-24 10:48:41,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610394088] [2024-10-24 10:48:41,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:48:41,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 10:48:41,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:41,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 10:48:41,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-10-24 10:48:41,225 INFO L87 Difference]: Start difference. First operand 1566 states and 2423 transitions. Second operand has 17 states, 17 states have (on average 16.235294117647058) internal successors, (276), 17 states have internal predecessors, (276), 6 states have call successors, (186), 3 states have call predecessors, (186), 6 states have return successors, (186), 6 states have call predecessors, (186), 6 states have call successors, (186) [2024-10-24 10:48:43,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:43,087 INFO L93 Difference]: Finished difference Result 4039 states and 6200 transitions. [2024-10-24 10:48:43,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 10:48:43,088 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 16.235294117647058) internal successors, (276), 17 states have internal predecessors, (276), 6 states have call successors, (186), 3 states have call predecessors, (186), 6 states have return successors, (186), 6 states have call predecessors, (186), 6 states have call successors, (186) Word has length 439 [2024-10-24 10:48:43,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:43,101 INFO L225 Difference]: With dead ends: 4039 [2024-10-24 10:48:43,102 INFO L226 Difference]: Without dead ends: 2614 [2024-10-24 10:48:43,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1026 GetRequests, 992 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=304, Invalid=956, Unknown=0, NotChecked=0, Total=1260 [2024-10-24 10:48:43,106 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 2134 mSDsluCounter, 3380 mSDsCounter, 0 mSdLazyCounter, 1727 mSolverCounterSat, 528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2144 SdHoareTripleChecker+Valid, 3814 SdHoareTripleChecker+Invalid, 2255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 528 IncrementalHoareTripleChecker+Valid, 1727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:43,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2144 Valid, 3814 Invalid, 2255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [528 Valid, 1727 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 10:48:43,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2614 states. [2024-10-24 10:48:43,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2614 to 2117. [2024-10-24 10:48:43,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2117 states, 1837 states have (on average 1.4697876973326076) internal successors, (2700), 1840 states have internal predecessors, (2700), 266 states have call successors, (266), 13 states have call predecessors, (266), 13 states have return successors, (266), 263 states have call predecessors, (266), 266 states have call successors, (266) [2024-10-24 10:48:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 3232 transitions. [2024-10-24 10:48:43,286 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 3232 transitions. Word has length 439 [2024-10-24 10:48:43,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:43,287 INFO L471 AbstractCegarLoop]: Abstraction has 2117 states and 3232 transitions. [2024-10-24 10:48:43,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 16.235294117647058) internal successors, (276), 17 states have internal predecessors, (276), 6 states have call successors, (186), 3 states have call predecessors, (186), 6 states have return successors, (186), 6 states have call predecessors, (186), 6 states have call successors, (186) [2024-10-24 10:48:43,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 3232 transitions. [2024-10-24 10:48:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-10-24 10:48:43,290 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:43,290 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:43,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 10:48:43,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:43,495 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:43,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:43,496 INFO L85 PathProgramCache]: Analyzing trace with hash -70066174, now seen corresponding path program 1 times [2024-10-24 10:48:43,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:43,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252799740] [2024-10-24 10:48:43,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:43,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 33 proven. 150 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-10-24 10:48:44,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:44,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252799740] [2024-10-24 10:48:44,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252799740] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:44,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375310351] [2024-10-24 10:48:44,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:44,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:44,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:44,650 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:48:44,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 10:48:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:44,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 10:48:44,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 2283 proven. 150 refuted. 0 times theorem prover too weak. 5131 trivial. 0 not checked. [2024-10-24 10:48:45,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:48:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 33 proven. 150 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-10-24 10:48:45,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375310351] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:48:45,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:48:45,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-10-24 10:48:45,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598167345] [2024-10-24 10:48:45,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:48:45,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 10:48:45,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:45,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 10:48:45,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 10:48:45,911 INFO L87 Difference]: Start difference. First operand 2117 states and 3232 transitions. Second operand has 7 states, 7 states have (on average 20.428571428571427) internal successors, (143), 7 states have internal predecessors, (143), 2 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (113), 2 states have call predecessors, (113), 2 states have call successors, (113) [2024-10-24 10:48:46,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:46,252 INFO L93 Difference]: Finished difference Result 4091 states and 6224 transitions. [2024-10-24 10:48:46,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 10:48:46,253 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.428571428571427) internal successors, (143), 7 states have internal predecessors, (143), 2 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (113), 2 states have call predecessors, (113), 2 states have call successors, (113) Word has length 441 [2024-10-24 10:48:46,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:46,261 INFO L225 Difference]: With dead ends: 4091 [2024-10-24 10:48:46,261 INFO L226 Difference]: Without dead ends: 2153 [2024-10-24 10:48:46,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1012 GetRequests, 1002 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-24 10:48:46,264 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 565 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:46,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 1013 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:46,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2024-10-24 10:48:46,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2123. [2024-10-24 10:48:46,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1839 states have (on average 1.452963567156063) internal successors, (2672), 1842 states have internal predecessors, (2672), 266 states have call successors, (266), 17 states have call predecessors, (266), 17 states have return successors, (266), 263 states have call predecessors, (266), 266 states have call successors, (266) [2024-10-24 10:48:46,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3204 transitions. [2024-10-24 10:48:46,431 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3204 transitions. Word has length 441 [2024-10-24 10:48:46,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:46,431 INFO L471 AbstractCegarLoop]: Abstraction has 2123 states and 3204 transitions. [2024-10-24 10:48:46,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.428571428571427) internal successors, (143), 7 states have internal predecessors, (143), 2 states have call successors, (112), 2 states have call predecessors, (112), 4 states have return successors, (113), 2 states have call predecessors, (113), 2 states have call successors, (113) [2024-10-24 10:48:46,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3204 transitions. [2024-10-24 10:48:46,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-10-24 10:48:46,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:46,437 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:46,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 10:48:46,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-24 10:48:46,639 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:46,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:46,639 INFO L85 PathProgramCache]: Analyzing trace with hash -996742078, now seen corresponding path program 1 times [2024-10-24 10:48:46,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:46,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372556300] [2024-10-24 10:48:46,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:46,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:47,639 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-10-24 10:48:47,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:47,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372556300] [2024-10-24 10:48:47,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372556300] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:47,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:47,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 10:48:47,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405650350] [2024-10-24 10:48:47,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:47,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 10:48:47,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:47,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 10:48:47,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:48:47,641 INFO L87 Difference]: Start difference. First operand 2123 states and 3204 transitions. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:47,963 INFO L93 Difference]: Finished difference Result 4479 states and 6757 transitions. [2024-10-24 10:48:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 10:48:47,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 441 [2024-10-24 10:48:47,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:47,972 INFO L225 Difference]: With dead ends: 4479 [2024-10-24 10:48:47,973 INFO L226 Difference]: Without dead ends: 2662 [2024-10-24 10:48:47,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:48:47,976 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 733 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:47,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 1688 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:47,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2024-10-24 10:48:48,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2194. [2024-10-24 10:48:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2194 states, 1910 states have (on average 1.4596858638743455) internal successors, (2788), 1913 states have internal predecessors, (2788), 266 states have call successors, (266), 17 states have call predecessors, (266), 17 states have return successors, (266), 263 states have call predecessors, (266), 266 states have call successors, (266) [2024-10-24 10:48:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 2194 states and 3320 transitions. [2024-10-24 10:48:48,109 INFO L78 Accepts]: Start accepts. Automaton has 2194 states and 3320 transitions. Word has length 441 [2024-10-24 10:48:48,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:48,110 INFO L471 AbstractCegarLoop]: Abstraction has 2194 states and 3320 transitions. [2024-10-24 10:48:48,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:48:48,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 3320 transitions. [2024-10-24 10:48:48,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2024-10-24 10:48:48,112 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:48,113 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:48,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 10:48:48,113 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:48,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:48,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1880251068, now seen corresponding path program 1 times [2024-10-24 10:48:48,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:48,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348590502] [2024-10-24 10:48:48,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:48,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 135 proven. 48 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-10-24 10:48:51,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:51,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348590502] [2024-10-24 10:48:51,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348590502] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:51,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277382188] [2024-10-24 10:48:51,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:51,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:51,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:51,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:48:51,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 10:48:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:51,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 1089 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 10:48:51,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 3160 proven. 96 refuted. 0 times theorem prover too weak. 4308 trivial. 0 not checked. [2024-10-24 10:48:52,003 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:48:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 135 proven. 48 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-10-24 10:48:52,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277382188] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:48:52,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:48:52,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 15 [2024-10-24 10:48:52,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487065932] [2024-10-24 10:48:52,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:48:52,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 10:48:52,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:52,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 10:48:52,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-24 10:48:52,341 INFO L87 Difference]: Start difference. First operand 2194 states and 3320 transitions. Second operand has 15 states, 15 states have (on average 14.533333333333333) internal successors, (218), 14 states have internal predecessors, (218), 5 states have call successors, (95), 3 states have call predecessors, (95), 5 states have return successors, (97), 5 states have call predecessors, (97), 5 states have call successors, (97) [2024-10-24 10:48:52,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:52,962 INFO L93 Difference]: Finished difference Result 4242 states and 6387 transitions. [2024-10-24 10:48:52,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 10:48:52,964 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 14.533333333333333) internal successors, (218), 14 states have internal predecessors, (218), 5 states have call successors, (95), 3 states have call predecessors, (95), 5 states have return successors, (97), 5 states have call predecessors, (97), 5 states have call successors, (97) Word has length 441 [2024-10-24 10:48:52,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:52,971 INFO L225 Difference]: With dead ends: 4242 [2024-10-24 10:48:52,971 INFO L226 Difference]: Without dead ends: 2256 [2024-10-24 10:48:52,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1015 GetRequests, 997 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2024-10-24 10:48:52,975 INFO L432 NwaCegarLoop]: 384 mSDtfsCounter, 923 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 967 SdHoareTripleChecker+Valid, 2051 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:52,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [967 Valid, 2051 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 10:48:52,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states. [2024-10-24 10:48:53,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 2226. [2024-10-24 10:48:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2226 states, 1934 states have (on average 1.4482936918304032) internal successors, (2801), 1937 states have internal predecessors, (2801), 266 states have call successors, (266), 25 states have call predecessors, (266), 25 states have return successors, (266), 263 states have call predecessors, (266), 266 states have call successors, (266) [2024-10-24 10:48:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 3333 transitions. [2024-10-24 10:48:53,088 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 3333 transitions. Word has length 441 [2024-10-24 10:48:53,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:53,088 INFO L471 AbstractCegarLoop]: Abstraction has 2226 states and 3333 transitions. [2024-10-24 10:48:53,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 14.533333333333333) internal successors, (218), 14 states have internal predecessors, (218), 5 states have call successors, (95), 3 states have call predecessors, (95), 5 states have return successors, (97), 5 states have call predecessors, (97), 5 states have call successors, (97) [2024-10-24 10:48:53,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 3333 transitions. [2024-10-24 10:48:53,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2024-10-24 10:48:53,091 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:53,091 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:53,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 10:48:53,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:53,296 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:53,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:53,297 INFO L85 PathProgramCache]: Analyzing trace with hash -309163266, now seen corresponding path program 1 times [2024-10-24 10:48:53,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:53,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894682836] [2024-10-24 10:48:53,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:53,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:48:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:48:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:48:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:48:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:48:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:48:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:54,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:48:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:48:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:48:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:48:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:48:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:48:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:48:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:48:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:48:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:48:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:48:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:48:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:48:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:48:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:48:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:48:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:48:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:48:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:48:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:48:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:48:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:48:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:48:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:48:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:48:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 120 proven. 63 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2024-10-24 10:48:55,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:55,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894682836] [2024-10-24 10:48:55,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894682836] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:55,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563992650] [2024-10-24 10:48:55,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:55,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:55,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:55,192 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:48:55,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 10:48:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:55,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-24 10:48:55,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:57,231 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 3469 proven. 351 refuted. 0 times theorem prover too weak. 3744 trivial. 0 not checked. [2024-10-24 10:48:57,231 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:48:57,876 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 180 proven. 360 refuted. 0 times theorem prover too weak. 7024 trivial. 0 not checked. [2024-10-24 10:48:57,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563992650] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:48:57,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:48:57,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 12] total 26 [2024-10-24 10:48:57,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948462592] [2024-10-24 10:48:57,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:48:57,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-24 10:48:57,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:57,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-24 10:48:57,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2024-10-24 10:48:57,880 INFO L87 Difference]: Start difference. First operand 2226 states and 3333 transitions. Second operand has 26 states, 24 states have (on average 13.125) internal successors, (315), 24 states have internal predecessors, (315), 9 states have call successors, (144), 4 states have call predecessors, (144), 8 states have return successors, (146), 8 states have call predecessors, (146), 9 states have call successors, (146) [2024-10-24 10:49:00,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:49:00,153 INFO L93 Difference]: Finished difference Result 5962 states and 8841 transitions. [2024-10-24 10:49:00,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-10-24 10:49:00,154 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 13.125) internal successors, (315), 24 states have internal predecessors, (315), 9 states have call successors, (144), 4 states have call predecessors, (144), 8 states have return successors, (146), 8 states have call predecessors, (146), 9 states have call successors, (146) Word has length 442 [2024-10-24 10:49:00,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:49:00,167 INFO L225 Difference]: With dead ends: 5962 [2024-10-24 10:49:00,167 INFO L226 Difference]: Without dead ends: 4039 [2024-10-24 10:49:00,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1059 GetRequests, 996 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1163 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1117, Invalid=3043, Unknown=0, NotChecked=0, Total=4160 [2024-10-24 10:49:00,172 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 3911 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 914 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3911 SdHoareTripleChecker+Valid, 1895 SdHoareTripleChecker+Invalid, 2197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 914 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:49:00,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3911 Valid, 1895 Invalid, 2197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [914 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 10:49:00,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4039 states. [2024-10-24 10:49:00,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4039 to 3980. [2024-10-24 10:49:00,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3980 states, 3511 states have (on average 1.4329250925662205) internal successors, (5031), 3520 states have internal predecessors, (5031), 404 states have call successors, (404), 64 states have call predecessors, (404), 64 states have return successors, (404), 395 states have call predecessors, (404), 404 states have call successors, (404) [2024-10-24 10:49:00,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 3980 states and 5839 transitions. [2024-10-24 10:49:00,526 INFO L78 Accepts]: Start accepts. Automaton has 3980 states and 5839 transitions. Word has length 442 [2024-10-24 10:49:00,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:49:00,527 INFO L471 AbstractCegarLoop]: Abstraction has 3980 states and 5839 transitions. [2024-10-24 10:49:00,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 13.125) internal successors, (315), 24 states have internal predecessors, (315), 9 states have call successors, (144), 4 states have call predecessors, (144), 8 states have return successors, (146), 8 states have call predecessors, (146), 9 states have call successors, (146) [2024-10-24 10:49:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 3980 states and 5839 transitions. [2024-10-24 10:49:00,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2024-10-24 10:49:00,532 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:49:00,532 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:49:00,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-24 10:49:00,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:49:00,737 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:49:00,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:49:00,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1318885653, now seen corresponding path program 1 times [2024-10-24 10:49:00,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:49:00,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107598505] [2024-10-24 10:49:00,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:49:00,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:49:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 10:49:02,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [768974523] [2024-10-24 10:49:02,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:49:02,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:49:02,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:49:02,308 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:49:02,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 10:49:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:02,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 10:49:02,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:49:02,623 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-10-24 10:49:02,623 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 10:49:02,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:49:02,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107598505] [2024-10-24 10:49:02,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 10:49:02,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768974523] [2024-10-24 10:49:02,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768974523] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:49:02,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:49:02,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 10:49:02,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090151419] [2024-10-24 10:49:02,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:49:02,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 10:49:02,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:49:02,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 10:49:02,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:49:02,626 INFO L87 Difference]: Start difference. First operand 3980 states and 5839 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:49:03,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:49:03,618 INFO L93 Difference]: Finished difference Result 10974 states and 16129 transitions. [2024-10-24 10:49:03,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 10:49:03,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 443 [2024-10-24 10:49:03,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:49:03,646 INFO L225 Difference]: With dead ends: 10974 [2024-10-24 10:49:03,647 INFO L226 Difference]: Without dead ends: 7428 [2024-10-24 10:49:03,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 444 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-24 10:49:03,657 INFO L432 NwaCegarLoop]: 782 mSDtfsCounter, 896 mSDsluCounter, 1515 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 2297 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 10:49:03,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 2297 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 10:49:03,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7428 states. [2024-10-24 10:49:03,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7428 to 5494. [2024-10-24 10:49:03,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5494 states, 5025 states have (on average 1.456318407960199) internal successors, (7318), 5034 states have internal predecessors, (7318), 404 states have call successors, (404), 64 states have call predecessors, (404), 64 states have return successors, (404), 395 states have call predecessors, (404), 404 states have call successors, (404) [2024-10-24 10:49:03,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5494 states to 5494 states and 8126 transitions. [2024-10-24 10:49:03,977 INFO L78 Accepts]: Start accepts. Automaton has 5494 states and 8126 transitions. Word has length 443 [2024-10-24 10:49:03,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:49:03,979 INFO L471 AbstractCegarLoop]: Abstraction has 5494 states and 8126 transitions. [2024-10-24 10:49:03,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:49:03,979 INFO L276 IsEmpty]: Start isEmpty. Operand 5494 states and 8126 transitions. [2024-10-24 10:49:03,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-10-24 10:49:03,984 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:49:03,984 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:49:04,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 10:49:04,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 10:49:04,190 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:49:04,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:49:04,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1218359327, now seen corresponding path program 1 times [2024-10-24 10:49:04,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:49:04,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464929149] [2024-10-24 10:49:04,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:49:04,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:49:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:49:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:49:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:49:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:49:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:49:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:49:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:49:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:49:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:49:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:49:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:49:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:49:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:49:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:49:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:49:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:49:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:49:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:49:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:49:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:49:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:49:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:49:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:49:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:49:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:09,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:49:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:49:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:49:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:49:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:49:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:49:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:49:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:49:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:49:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:49:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:49:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:49:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:49:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:49:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:49:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:49:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:49:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:49:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:49:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:49:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:49:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:49:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:49:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:49:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:49:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:49:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:49:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:49:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:49:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:49:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:49:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:49:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:49:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:49:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:49:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:49:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:49:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:49:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 291 proven. 405 refuted. 0 times theorem prover too weak. 6868 trivial. 0 not checked. [2024-10-24 10:49:10,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:49:10,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464929149] [2024-10-24 10:49:10,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464929149] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:49:10,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978610584] [2024-10-24 10:49:10,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:49:10,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:49:10,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:49:10,213 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:49:10,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 10:49:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:10,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 10:49:10,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:49:10,829 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-10-24 10:49:10,829 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 10:49:10,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978610584] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:49:10,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 10:49:10,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [21] total 28 [2024-10-24 10:49:10,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291872565] [2024-10-24 10:49:10,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:49:10,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 10:49:10,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:49:10,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 10:49:10,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2024-10-24 10:49:10,832 INFO L87 Difference]: Start difference. First operand 5494 states and 8126 transitions. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:49:13,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:49:13,521 INFO L93 Difference]: Finished difference Result 18738 states and 27622 transitions. [2024-10-24 10:49:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 10:49:13,522 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 444 [2024-10-24 10:49:13,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:49:13,554 INFO L225 Difference]: With dead ends: 18738 [2024-10-24 10:49:13,554 INFO L226 Difference]: Without dead ends: 13786 [2024-10-24 10:49:13,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=92, Invalid=778, Unknown=0, NotChecked=0, Total=870 [2024-10-24 10:49:13,568 INFO L432 NwaCegarLoop]: 1090 mSDtfsCounter, 1680 mSDsluCounter, 2551 mSDsCounter, 0 mSdLazyCounter, 2361 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 3641 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 10:49:13,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 3641 Invalid, 2377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2361 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 10:49:13,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13786 states. [2024-10-24 10:49:13,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13786 to 6964. [2024-10-24 10:49:13,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6964 states, 6495 states have (on average 1.4545034642032333) internal successors, (9447), 6504 states have internal predecessors, (9447), 404 states have call successors, (404), 64 states have call predecessors, (404), 64 states have return successors, (404), 395 states have call predecessors, (404), 404 states have call successors, (404) [2024-10-24 10:49:13,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6964 states to 6964 states and 10255 transitions. [2024-10-24 10:49:13,955 INFO L78 Accepts]: Start accepts. Automaton has 6964 states and 10255 transitions. Word has length 444 [2024-10-24 10:49:13,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:49:13,956 INFO L471 AbstractCegarLoop]: Abstraction has 6964 states and 10255 transitions. [2024-10-24 10:49:13,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 9 states have internal predecessors, (137), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:49:13,956 INFO L276 IsEmpty]: Start isEmpty. Operand 6964 states and 10255 transitions. [2024-10-24 10:49:13,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2024-10-24 10:49:13,960 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:49:13,960 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:49:13,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 10:49:14,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-24 10:49:14,162 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:49:14,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:49:14,162 INFO L85 PathProgramCache]: Analyzing trace with hash -478275451, now seen corresponding path program 1 times [2024-10-24 10:49:14,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:49:14,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299231735] [2024-10-24 10:49:14,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:49:14,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:49:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:49:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:49:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:49:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:49:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:49:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:49:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:49:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:49:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:49:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:49:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:49:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:49:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:49:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:49:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:49:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:49:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:49:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:49:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:49:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:49:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:49:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:49:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:49:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:49:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:49:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:49:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:49:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:49:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:49:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:49:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:49:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:49:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:49:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:49:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:49:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:49:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:49:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:49:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:49:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:49:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:49:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:49:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:49:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:49:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:49:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:49:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:49:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:49:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:49:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:49:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:49:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:49:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:49:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:49:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:49:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:49:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:49:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:49:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:49:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:49:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:49:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:49:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:14,590 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-10-24 10:49:14,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:49:14,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299231735] [2024-10-24 10:49:14,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299231735] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:49:14,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:49:14,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 10:49:14,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916388051] [2024-10-24 10:49:14,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:49:14,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 10:49:14,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:49:14,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 10:49:14,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:49:14,591 INFO L87 Difference]: Start difference. First operand 6964 states and 10255 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:49:15,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:49:15,035 INFO L93 Difference]: Finished difference Result 14492 states and 21502 transitions. [2024-10-24 10:49:15,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:49:15,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 445 [2024-10-24 10:49:15,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:49:15,061 INFO L225 Difference]: With dead ends: 14492 [2024-10-24 10:49:15,065 INFO L226 Difference]: Without dead ends: 8274 [2024-10-24 10:49:15,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:49:15,080 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 84 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1777 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:49:15,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1777 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:49:15,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8274 states. [2024-10-24 10:49:15,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8274 to 7338. [2024-10-24 10:49:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7338 states, 6869 states have (on average 1.4457708545639831) internal successors, (9931), 6878 states have internal predecessors, (9931), 404 states have call successors, (404), 64 states have call predecessors, (404), 64 states have return successors, (404), 395 states have call predecessors, (404), 404 states have call successors, (404) [2024-10-24 10:49:15,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7338 states to 7338 states and 10739 transitions. [2024-10-24 10:49:15,543 INFO L78 Accepts]: Start accepts. Automaton has 7338 states and 10739 transitions. Word has length 445 [2024-10-24 10:49:15,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:49:15,545 INFO L471 AbstractCegarLoop]: Abstraction has 7338 states and 10739 transitions. [2024-10-24 10:49:15,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2024-10-24 10:49:15,545 INFO L276 IsEmpty]: Start isEmpty. Operand 7338 states and 10739 transitions. [2024-10-24 10:49:15,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2024-10-24 10:49:15,556 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:49:15,556 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:49:15,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 10:49:15,557 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:49:15,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:49:15,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1281781901, now seen corresponding path program 1 times [2024-10-24 10:49:15,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:49:15,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038433231] [2024-10-24 10:49:15,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:49:15,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:49:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:49:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:49:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:49:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:49:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:49:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:49:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:49:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:49:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:49:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:49:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:49:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:49:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:49:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:49:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:49:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:49:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:49:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:49:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:49:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:49:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:49:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:49:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:49:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:49:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:49:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:49:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:49:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:49:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:49:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:49:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:49:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:49:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:49:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:49:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:49:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:49:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:49:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:49:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:49:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:49:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:49:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:49:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:49:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:49:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:49:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:49:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:49:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:49:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:49:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:49:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:49:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:49:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:49:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:49:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:49:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:49:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:49:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:49:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:49:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:49:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:49:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:49:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:18,656 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 99 proven. 261 refuted. 0 times theorem prover too weak. 7204 trivial. 0 not checked. [2024-10-24 10:49:18,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:49:18,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038433231] [2024-10-24 10:49:18,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038433231] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:49:18,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621437995] [2024-10-24 10:49:18,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:49:18,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:49:18,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:49:18,658 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:49:18,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 10:49:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:19,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-24 10:49:19,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:49:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 3646 proven. 375 refuted. 0 times theorem prover too weak. 3543 trivial. 0 not checked. [2024-10-24 10:49:20,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:49:22,333 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 156 proven. 384 refuted. 0 times theorem prover too weak. 7024 trivial. 0 not checked. [2024-10-24 10:49:22,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621437995] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:49:22,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:49:22,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 34 [2024-10-24 10:49:22,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903297229] [2024-10-24 10:49:22,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:49:22,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-24 10:49:22,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:49:22,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-24 10:49:22,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=931, Unknown=0, NotChecked=0, Total=1122 [2024-10-24 10:49:22,339 INFO L87 Difference]: Start difference. First operand 7338 states and 10739 transitions. Second operand has 34 states, 32 states have (on average 10.3125) internal successors, (330), 32 states have internal predecessors, (330), 9 states have call successors, (156), 4 states have call predecessors, (156), 9 states have return successors, (157), 8 states have call predecessors, (157), 9 states have call successors, (157) [2024-10-24 10:49:25,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:49:25,521 INFO L93 Difference]: Finished difference Result 36076 states and 53290 transitions. [2024-10-24 10:49:25,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-24 10:49:25,521 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 32 states have (on average 10.3125) internal successors, (330), 32 states have internal predecessors, (330), 9 states have call successors, (156), 4 states have call predecessors, (156), 9 states have return successors, (157), 8 states have call predecessors, (157), 9 states have call successors, (157) Word has length 445 [2024-10-24 10:49:25,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:49:25,564 INFO L225 Difference]: With dead ends: 36076 [2024-10-24 10:49:25,564 INFO L226 Difference]: Without dead ends: 30112 [2024-10-24 10:49:25,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1051 GetRequests, 998 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=693, Invalid=2277, Unknown=0, NotChecked=0, Total=2970 [2024-10-24 10:49:25,579 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 4173 mSDsluCounter, 3291 mSDsCounter, 0 mSdLazyCounter, 2767 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4188 SdHoareTripleChecker+Valid, 3714 SdHoareTripleChecker+Invalid, 2945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 2767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:49:25,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4188 Valid, 3714 Invalid, 2945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 2767 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-24 10:49:25,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30112 states. [2024-10-24 10:49:25,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30112 to 15988. [2024-10-24 10:49:25,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15988 states, 15505 states have (on average 1.4710738471460818) internal successors, (22809), 15514 states have internal predecessors, (22809), 404 states have call successors, (404), 78 states have call predecessors, (404), 78 states have return successors, (404), 395 states have call predecessors, (404), 404 states have call successors, (404) [2024-10-24 10:49:26,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15988 states to 15988 states and 23617 transitions. [2024-10-24 10:49:26,017 INFO L78 Accepts]: Start accepts. Automaton has 15988 states and 23617 transitions. Word has length 445 [2024-10-24 10:49:26,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:49:26,018 INFO L471 AbstractCegarLoop]: Abstraction has 15988 states and 23617 transitions. [2024-10-24 10:49:26,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 32 states have (on average 10.3125) internal successors, (330), 32 states have internal predecessors, (330), 9 states have call successors, (156), 4 states have call predecessors, (156), 9 states have return successors, (157), 8 states have call predecessors, (157), 9 states have call successors, (157) [2024-10-24 10:49:26,019 INFO L276 IsEmpty]: Start isEmpty. Operand 15988 states and 23617 transitions. [2024-10-24 10:49:26,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2024-10-24 10:49:26,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:49:26,031 INFO L215 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:49:26,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 10:49:26,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:49:26,233 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:49:26,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:49:26,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1205465904, now seen corresponding path program 1 times [2024-10-24 10:49:26,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:49:26,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788943092] [2024-10-24 10:49:26,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:49:26,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:49:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:49:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:49:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:49:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:49:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:49:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:49:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:49:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:49:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:49:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 10:49:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:49:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 10:49:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:49:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 10:49:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:49:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 10:49:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:49:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 10:49:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:49:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 10:49:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:49:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 10:49:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:49:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 10:49:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:49:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 10:49:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:49:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 10:49:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:49:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 10:49:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:49:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 10:49:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:49:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-24 10:49:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-24 10:49:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 10:49:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 10:49:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:49:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:49:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:49:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:49:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 10:49:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:49:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 10:49:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:49:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-24 10:49:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:49:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 10:49:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:49:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-24 10:49:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:49:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 10:49:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 10:49:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 10:49:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 10:49:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 10:49:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 10:49:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 10:49:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 10:49:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-24 10:49:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2024-10-24 10:49:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:49:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 240 proven. 291 refuted. 0 times theorem prover too weak. 7033 trivial. 0 not checked. [2024-10-24 10:49:30,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:49:30,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788943092] [2024-10-24 10:49:30,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788943092] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:49:30,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454566320] [2024-10-24 10:49:30,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:49:30,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:49:30,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:49:30,708 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 10:49:30,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 10:49:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:49:31,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-24 10:49:31,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:49:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 5144 proven. 408 refuted. 0 times theorem prover too weak. 2012 trivial. 0 not checked. [2024-10-24 10:49:32,711 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:49:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 288 proven. 426 refuted. 0 times theorem prover too weak. 6850 trivial. 0 not checked. [2024-10-24 10:49:35,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454566320] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:49:35,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:49:35,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21, 21] total 50 [2024-10-24 10:49:35,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291158425] [2024-10-24 10:49:35,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:49:35,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-24 10:49:35,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:49:35,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-24 10:49:35,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=2149, Unknown=0, NotChecked=0, Total=2450 [2024-10-24 10:49:35,607 INFO L87 Difference]: Start difference. First operand 15988 states and 23617 transitions. Second operand has 50 states, 49 states have (on average 6.8979591836734695) internal successors, (338), 48 states have internal predecessors, (338), 11 states have call successors, (156), 5 states have call predecessors, (156), 12 states have return successors, (157), 11 states have call predecessors, (157), 11 states have call successors, (157)