./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-74.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-74.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 12c4232328ebed2959d46283ec7c985dd6c5525d615e314238386424a59fd52d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 10:48:02,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 10:48:02,463 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 10:48:02,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 10:48:02,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 10:48:02,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 10:48:02,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 10:48:02,491 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 10:48:02,492 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 10:48:02,492 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 10:48:02,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 10:48:02,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 10:48:02,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 10:48:02,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 10:48:02,494 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 10:48:02,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 10:48:02,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 10:48:02,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 10:48:02,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 10:48:02,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 10:48:02,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 10:48:02,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 10:48:02,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 10:48:02,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 10:48:02,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 10:48:02,498 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 10:48:02,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 10:48:02,498 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 10:48:02,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 10:48:02,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 10:48:02,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 10:48:02,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 10:48:02,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:48:02,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 10:48:02,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 10:48:02,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 10:48:02,501 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 10:48:02,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 10:48:02,502 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 10:48:02,502 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 10:48:02,502 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 10:48:02,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 10:48:02,504 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12c4232328ebed2959d46283ec7c985dd6c5525d615e314238386424a59fd52d [2024-10-24 10:48:02,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 10:48:02,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 10:48:02,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 10:48:02,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 10:48:02,772 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 10:48:02,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-74.i [2024-10-24 10:48:04,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 10:48:04,374 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 10:48:04,374 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-74.i [2024-10-24 10:48:04,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceb6cb30c/ddffef861d114a4bb854e62167828ee0/FLAG8b73438c4 [2024-10-24 10:48:04,400 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceb6cb30c/ddffef861d114a4bb854e62167828ee0 [2024-10-24 10:48:04,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 10:48:04,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 10:48:04,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 10:48:04,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 10:48:04,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 10:48:04,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:04,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f50b988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04, skipping insertion in model container [2024-10-24 10:48:04,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:04,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 10:48:04,629 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-74.i[916,929] [2024-10-24 10:48:04,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:48:04,847 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 10:48:04,856 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-74.i[916,929] [2024-10-24 10:48:04,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:48:04,964 INFO L204 MainTranslator]: Completed translation [2024-10-24 10:48:04,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04 WrapperNode [2024-10-24 10:48:04,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 10:48:04,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 10:48:04,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 10:48:04,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 10:48:04,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:05,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:05,122 INFO L138 Inliner]: procedures = 26, calls = 86, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 721 [2024-10-24 10:48:05,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 10:48:05,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 10:48:05,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 10:48:05,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 10:48:05,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:05,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:05,161 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:05,249 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 10:48:05,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:05,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:05,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:05,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:05,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:05,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:05,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 10:48:05,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 10:48:05,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 10:48:05,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 10:48:05,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (1/1) ... [2024-10-24 10:48:05,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:48:05,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:05,409 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 10:48:05,414 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 10:48:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 10:48:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 10:48:05,451 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 10:48:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 10:48:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 10:48:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 10:48:05,583 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 10:48:05,585 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 10:48:06,646 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-10-24 10:48:06,646 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 10:48:06,709 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 10:48:06,710 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 10:48:06,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:48:06 BoogieIcfgContainer [2024-10-24 10:48:06,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 10:48:06,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 10:48:06,712 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 10:48:06,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 10:48:06,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:48:04" (1/3) ... [2024-10-24 10:48:06,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc82bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:48:06, skipping insertion in model container [2024-10-24 10:48:06,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:48:04" (2/3) ... [2024-10-24 10:48:06,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc82bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:48:06, skipping insertion in model container [2024-10-24 10:48:06,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:48:06" (3/3) ... [2024-10-24 10:48:06,717 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-74.i [2024-10-24 10:48:06,731 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 10:48:06,732 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 10:48:06,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 10:48:06,797 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;@5ec97764, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 10:48:06,797 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 10:48:06,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 287 states, 211 states have (on average 1.5545023696682465) internal successors, (328), 212 states have internal predecessors, (328), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-24 10:48:06,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 10:48:06,828 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:06,829 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:06,829 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:06,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:06,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1441219928, now seen corresponding path program 1 times [2024-10-24 10:48:06,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:06,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318184311] [2024-10-24 10:48:06,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:06,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,763 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-24 10:48:07,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:07,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318184311] [2024-10-24 10:48:07,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318184311] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:07,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:07,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 10:48:07,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633418093] [2024-10-24 10:48:07,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:07,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 10:48:07,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:07,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 10:48:07,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:48:07,795 INFO L87 Difference]: Start difference. First operand has 287 states, 211 states have (on average 1.5545023696682465) internal successors, (328), 212 states have internal predecessors, (328), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) Second operand has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 2 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 2 states have call successors, (73) [2024-10-24 10:48:07,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:07,869 INFO L93 Difference]: Finished difference Result 571 states and 1019 transitions. [2024-10-24 10:48:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 10:48:07,874 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 2 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 2 states have call successors, (73) Word has length 492 [2024-10-24 10:48:07,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:07,882 INFO L225 Difference]: With dead ends: 571 [2024-10-24 10:48:07,882 INFO L226 Difference]: Without dead ends: 285 [2024-10-24 10:48:07,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 221 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 10:48:07,890 INFO L432 NwaCegarLoop]: 464 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, 464 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 10:48:07,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 464 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:48:07,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-10-24 10:48:07,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-10-24 10:48:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 210 states have (on average 1.5285714285714285) internal successors, (321), 210 states have internal predecessors, (321), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-24 10:48:07,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 467 transitions. [2024-10-24 10:48:07,969 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 467 transitions. Word has length 492 [2024-10-24 10:48:07,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:07,971 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 467 transitions. [2024-10-24 10:48:07,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 65.0) internal successors, (130), 2 states have internal predecessors, (130), 2 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 2 states have call successors, (73) [2024-10-24 10:48:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 467 transitions. [2024-10-24 10:48:07,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 10:48:07,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:07,979 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:07,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 10:48:07,979 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:07,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:07,980 INFO L85 PathProgramCache]: Analyzing trace with hash -965446118, now seen corresponding path program 1 times [2024-10-24 10:48:07,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:07,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680493494] [2024-10-24 10:48:07,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:07,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:08,704 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-24 10:48:08,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:08,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680493494] [2024-10-24 10:48:08,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680493494] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:08,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:08,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:48:08,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719156293] [2024-10-24 10:48:08,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:08,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:48:08,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:08,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:48:08,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:08,709 INFO L87 Difference]: Start difference. First operand 285 states and 467 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:08,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:08,803 INFO L93 Difference]: Finished difference Result 850 states and 1393 transitions. [2024-10-24 10:48:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:48:08,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 492 [2024-10-24 10:48:08,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:08,813 INFO L225 Difference]: With dead ends: 850 [2024-10-24 10:48:08,815 INFO L226 Difference]: Without dead ends: 566 [2024-10-24 10:48:08,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 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 10:48:08,819 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 450 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:08,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 905 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:48:08,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-10-24 10:48:08,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 341. [2024-10-24 10:48:08,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 266 states have (on average 1.5601503759398496) internal successors, (415), 266 states have internal predecessors, (415), 73 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-24 10:48:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 561 transitions. [2024-10-24 10:48:08,902 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 561 transitions. Word has length 492 [2024-10-24 10:48:08,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:08,904 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 561 transitions. [2024-10-24 10:48:08,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 561 transitions. [2024-10-24 10:48:08,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 10:48:08,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:08,910 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:08,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 10:48:08,911 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:08,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:08,911 INFO L85 PathProgramCache]: Analyzing trace with hash -2012948710, now seen corresponding path program 1 times [2024-10-24 10:48:08,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:08,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965513983] [2024-10-24 10:48:08,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:08,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-24 10:48:09,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:09,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965513983] [2024-10-24 10:48:09,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965513983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:09,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:09,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:48:09,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980453387] [2024-10-24 10:48:09,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:09,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:48:09,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:09,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:48:09,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:09,486 INFO L87 Difference]: Start difference. First operand 341 states and 561 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:09,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:09,618 INFO L93 Difference]: Finished difference Result 928 states and 1523 transitions. [2024-10-24 10:48:09,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:48:09,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 492 [2024-10-24 10:48:09,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:09,625 INFO L225 Difference]: With dead ends: 928 [2024-10-24 10:48:09,626 INFO L226 Difference]: Without dead ends: 588 [2024-10-24 10:48:09,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 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 10:48:09,630 INFO L432 NwaCegarLoop]: 737 mSDtfsCounter, 312 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:09,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 1173 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:48:09,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-10-24 10:48:09,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 585. [2024-10-24 10:48:09,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 473 states have (on average 1.5602536997885834) internal successors, (738), 474 states have internal predecessors, (738), 109 states have call successors, (109), 2 states have call predecessors, (109), 2 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-10-24 10:48:09,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 956 transitions. [2024-10-24 10:48:09,685 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 956 transitions. Word has length 492 [2024-10-24 10:48:09,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:09,688 INFO L471 AbstractCegarLoop]: Abstraction has 585 states and 956 transitions. [2024-10-24 10:48:09,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:09,688 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 956 transitions. [2024-10-24 10:48:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 10:48:09,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:09,698 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:09,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 10:48:09,699 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:09,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:09,699 INFO L85 PathProgramCache]: Analyzing trace with hash -104490920, now seen corresponding path program 1 times [2024-10-24 10:48:09,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:09,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978701004] [2024-10-24 10:48:09,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:09,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:09,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,280 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-24 10:48:10,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:10,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978701004] [2024-10-24 10:48:10,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978701004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:10,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:10,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:48:10,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381763144] [2024-10-24 10:48:10,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:10,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:48:10,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:10,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:48:10,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:10,287 INFO L87 Difference]: Start difference. First operand 585 states and 956 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:10,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:10,413 INFO L93 Difference]: Finished difference Result 1639 states and 2681 transitions. [2024-10-24 10:48:10,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:48:10,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 492 [2024-10-24 10:48:10,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:10,422 INFO L225 Difference]: With dead ends: 1639 [2024-10-24 10:48:10,422 INFO L226 Difference]: Without dead ends: 1055 [2024-10-24 10:48:10,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 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 10:48:10,425 INFO L432 NwaCegarLoop]: 648 mSDtfsCounter, 305 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:10,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 1081 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:48:10,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-10-24 10:48:10,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1051. [2024-10-24 10:48:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 887 states have (on average 1.57271702367531) internal successors, (1395), 890 states have internal predecessors, (1395), 159 states have call successors, (159), 4 states have call predecessors, (159), 4 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-24 10:48:10,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1713 transitions. [2024-10-24 10:48:10,481 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1713 transitions. Word has length 492 [2024-10-24 10:48:10,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:10,483 INFO L471 AbstractCegarLoop]: Abstraction has 1051 states and 1713 transitions. [2024-10-24 10:48:10,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1713 transitions. [2024-10-24 10:48:10,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 10:48:10,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:10,487 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:10,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 10:48:10,488 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:10,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:10,488 INFO L85 PathProgramCache]: Analyzing trace with hash -836458346, now seen corresponding path program 1 times [2024-10-24 10:48:10,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:10,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878929320] [2024-10-24 10:48:10,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:10,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:10,960 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-24 10:48:10,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:10,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878929320] [2024-10-24 10:48:10,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878929320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:10,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:10,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:48:10,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638839679] [2024-10-24 10:48:10,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:10,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:48:10,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:10,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:48:10,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:48:10,963 INFO L87 Difference]: Start difference. First operand 1051 states and 1713 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:11,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:11,075 INFO L93 Difference]: Finished difference Result 2113 states and 3434 transitions. [2024-10-24 10:48:11,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:48:11,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 492 [2024-10-24 10:48:11,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:11,081 INFO L225 Difference]: With dead ends: 2113 [2024-10-24 10:48:11,082 INFO L226 Difference]: Without dead ends: 1063 [2024-10-24 10:48:11,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 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 10:48:11,084 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 243 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:11,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 944 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:48:11,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2024-10-24 10:48:11,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 907. [2024-10-24 10:48:11,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 793 states have (on average 1.600252206809584) internal successors, (1269), 794 states have internal predecessors, (1269), 109 states have call successors, (109), 4 states have call predecessors, (109), 4 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2024-10-24 10:48:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1487 transitions. [2024-10-24 10:48:11,113 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1487 transitions. Word has length 492 [2024-10-24 10:48:11,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:11,114 INFO L471 AbstractCegarLoop]: Abstraction has 907 states and 1487 transitions. [2024-10-24 10:48:11,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1487 transitions. [2024-10-24 10:48:11,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 10:48:11,117 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:11,118 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:11,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 10:48:11,118 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:11,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:11,119 INFO L85 PathProgramCache]: Analyzing trace with hash -2116322024, now seen corresponding path program 1 times [2024-10-24 10:48:11,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:11,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853028983] [2024-10-24 10:48:11,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:11,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:11,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-24 10:48:12,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:12,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853028983] [2024-10-24 10:48:12,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853028983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:12,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:12,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:12,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181568112] [2024-10-24 10:48:12,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:12,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:12,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:12,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:12,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:12,095 INFO L87 Difference]: Start difference. First operand 907 states and 1487 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:12,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:12,400 INFO L93 Difference]: Finished difference Result 2655 states and 4361 transitions. [2024-10-24 10:48:12,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:12,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 492 [2024-10-24 10:48:12,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:12,409 INFO L225 Difference]: With dead ends: 2655 [2024-10-24 10:48:12,409 INFO L226 Difference]: Without dead ends: 1749 [2024-10-24 10:48:12,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 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 10:48:12,412 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 508 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:12,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 1376 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:12,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2024-10-24 10:48:12,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1043. [2024-10-24 10:48:12,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 854 states have (on average 1.5644028103044496) internal successors, (1336), 855 states have internal predecessors, (1336), 182 states have call successors, (182), 6 states have call predecessors, (182), 6 states have return successors, (182), 181 states have call predecessors, (182), 182 states have call successors, (182) [2024-10-24 10:48:12,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1700 transitions. [2024-10-24 10:48:12,523 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1700 transitions. Word has length 492 [2024-10-24 10:48:12,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:12,524 INFO L471 AbstractCegarLoop]: Abstraction has 1043 states and 1700 transitions. [2024-10-24 10:48:12,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1700 transitions. [2024-10-24 10:48:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 10:48:12,529 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:12,530 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:12,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 10:48:12,530 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:12,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:12,530 INFO L85 PathProgramCache]: Analyzing trace with hash -382217574, now seen corresponding path program 1 times [2024-10-24 10:48:12,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:12,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68488867] [2024-10-24 10:48:12,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:12,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:13,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-24 10:48:14,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:14,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68488867] [2024-10-24 10:48:14,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68488867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:14,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:14,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 10:48:14,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326873114] [2024-10-24 10:48:14,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:14,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 10:48:14,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:14,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 10:48:14,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:14,129 INFO L87 Difference]: Start difference. First operand 1043 states and 1700 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:14,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:14,546 INFO L93 Difference]: Finished difference Result 2283 states and 3679 transitions. [2024-10-24 10:48:14,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:48:14,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 492 [2024-10-24 10:48:14,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:14,554 INFO L225 Difference]: With dead ends: 2283 [2024-10-24 10:48:14,554 INFO L226 Difference]: Without dead ends: 1377 [2024-10-24 10:48:14,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:14,557 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 394 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:14,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 1264 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 10:48:14,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2024-10-24 10:48:14,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1217. [2024-10-24 10:48:14,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 983 states have (on average 1.5350966429298067) internal successors, (1509), 986 states have internal predecessors, (1509), 224 states have call successors, (224), 9 states have call predecessors, (224), 9 states have return successors, (224), 221 states have call predecessors, (224), 224 states have call successors, (224) [2024-10-24 10:48:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1957 transitions. [2024-10-24 10:48:14,616 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1957 transitions. Word has length 492 [2024-10-24 10:48:14,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:14,617 INFO L471 AbstractCegarLoop]: Abstraction has 1217 states and 1957 transitions. [2024-10-24 10:48:14,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1957 transitions. [2024-10-24 10:48:14,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 10:48:14,621 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:14,621 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:14,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 10:48:14,621 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:14,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:14,622 INFO L85 PathProgramCache]: Analyzing trace with hash 40484252, now seen corresponding path program 1 times [2024-10-24 10:48:14,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:14,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211221775] [2024-10-24 10:48:14,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:14,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:15,918 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-24 10:48:15,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:15,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211221775] [2024-10-24 10:48:15,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211221775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:15,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:15,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:15,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766424528] [2024-10-24 10:48:15,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:15,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:15,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:15,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:15,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:15,920 INFO L87 Difference]: Start difference. First operand 1217 states and 1957 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:16,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:16,255 INFO L93 Difference]: Finished difference Result 3347 states and 5364 transitions. [2024-10-24 10:48:16,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:16,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 492 [2024-10-24 10:48:16,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:16,268 INFO L225 Difference]: With dead ends: 3347 [2024-10-24 10:48:16,268 INFO L226 Difference]: Without dead ends: 2269 [2024-10-24 10:48:16,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 150 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 10:48:16,273 INFO L432 NwaCegarLoop]: 715 mSDtfsCounter, 753 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 1627 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:16,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 1627 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 10:48:16,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2024-10-24 10:48:16,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2238. [2024-10-24 10:48:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2238 states, 1795 states have (on average 1.509192200557103) internal successors, (2709), 1804 states have internal predecessors, (2709), 423 states have call successors, (423), 19 states have call predecessors, (423), 19 states have return successors, (423), 414 states have call predecessors, (423), 423 states have call successors, (423) [2024-10-24 10:48:16,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 2238 states and 3555 transitions. [2024-10-24 10:48:16,450 INFO L78 Accepts]: Start accepts. Automaton has 2238 states and 3555 transitions. Word has length 492 [2024-10-24 10:48:16,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:16,451 INFO L471 AbstractCegarLoop]: Abstraction has 2238 states and 3555 transitions. [2024-10-24 10:48:16,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 3555 transitions. [2024-10-24 10:48:16,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 10:48:16,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:16,458 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:16,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 10:48:16,459 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:16,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:16,459 INFO L85 PathProgramCache]: Analyzing trace with hash 789476250, now seen corresponding path program 1 times [2024-10-24 10:48:16,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:16,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105210590] [2024-10-24 10:48:16,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:16,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:17,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-24 10:48:18,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:18,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105210590] [2024-10-24 10:48:18,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105210590] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:18,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:18,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 10:48:18,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530842984] [2024-10-24 10:48:18,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:18,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 10:48:18,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:18,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 10:48:18,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:48:18,138 INFO L87 Difference]: Start difference. First operand 2238 states and 3555 transitions. Second operand has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:18,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:18,895 INFO L93 Difference]: Finished difference Result 7221 states and 11415 transitions. [2024-10-24 10:48:18,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 10:48:18,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 492 [2024-10-24 10:48:18,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:18,917 INFO L225 Difference]: With dead ends: 7221 [2024-10-24 10:48:18,917 INFO L226 Difference]: Without dead ends: 5124 [2024-10-24 10:48:18,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-10-24 10:48:18,925 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 492 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2665 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:18,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2665 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 10:48:18,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5124 states. [2024-10-24 10:48:19,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5124 to 5100. [2024-10-24 10:48:19,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5100 states, 4465 states have (on average 1.54020156774916) internal successors, (6877), 4494 states have internal predecessors, (6877), 583 states have call successors, (583), 51 states have call predecessors, (583), 51 states have return successors, (583), 554 states have call predecessors, (583), 583 states have call successors, (583) [2024-10-24 10:48:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5100 states to 5100 states and 8043 transitions. [2024-10-24 10:48:19,175 INFO L78 Accepts]: Start accepts. Automaton has 5100 states and 8043 transitions. Word has length 492 [2024-10-24 10:48:19,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:19,176 INFO L471 AbstractCegarLoop]: Abstraction has 5100 states and 8043 transitions. [2024-10-24 10:48:19,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:19,176 INFO L276 IsEmpty]: Start isEmpty. Operand 5100 states and 8043 transitions. [2024-10-24 10:48:19,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 10:48:19,184 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:19,185 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:19,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 10:48:19,185 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:19,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:19,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1239109860, now seen corresponding path program 1 times [2024-10-24 10:48:19,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:19,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454576641] [2024-10-24 10:48:19,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:19,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-24 10:48:20,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:20,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454576641] [2024-10-24 10:48:20,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454576641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:20,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:20,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 10:48:20,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479893475] [2024-10-24 10:48:20,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:20,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 10:48:20,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:20,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 10:48:20,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:20,439 INFO L87 Difference]: Start difference. First operand 5100 states and 8043 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 2 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-10-24 10:48:21,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:21,383 INFO L93 Difference]: Finished difference Result 13618 states and 21535 transitions. [2024-10-24 10:48:21,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:21,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 2 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 492 [2024-10-24 10:48:21,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:21,432 INFO L225 Difference]: With dead ends: 13618 [2024-10-24 10:48:21,432 INFO L226 Difference]: Without dead ends: 8667 [2024-10-24 10:48:21,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 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 10:48:21,449 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 680 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:21,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 1509 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 10:48:21,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8667 states. [2024-10-24 10:48:21,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8667 to 8665. [2024-10-24 10:48:21,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8665 states, 7584 states have (on average 1.5406118143459915) internal successors, (11684), 7632 states have internal predecessors, (11684), 1003 states have call successors, (1003), 77 states have call predecessors, (1003), 77 states have return successors, (1003), 955 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-10-24 10:48:21,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8665 states to 8665 states and 13690 transitions. [2024-10-24 10:48:21,872 INFO L78 Accepts]: Start accepts. Automaton has 8665 states and 13690 transitions. Word has length 492 [2024-10-24 10:48:21,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:21,872 INFO L471 AbstractCegarLoop]: Abstraction has 8665 states and 13690 transitions. [2024-10-24 10:48:21,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 2 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2024-10-24 10:48:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 8665 states and 13690 transitions. [2024-10-24 10:48:21,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 10:48:21,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:21,882 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:21,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 10:48:21,882 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:21,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:21,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1967151016, now seen corresponding path program 1 times [2024-10-24 10:48:21,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:21,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090263676] [2024-10-24 10:48:21,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:21,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,963 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-24 10:48:22,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:22,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090263676] [2024-10-24 10:48:22,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090263676] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:22,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:22,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:22,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396557365] [2024-10-24 10:48:22,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:22,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:22,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:22,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:22,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:22,968 INFO L87 Difference]: Start difference. First operand 8665 states and 13690 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:23,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:23,778 INFO L93 Difference]: Finished difference Result 22535 states and 34974 transitions. [2024-10-24 10:48:23,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:23,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 492 [2024-10-24 10:48:23,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:23,837 INFO L225 Difference]: With dead ends: 22535 [2024-10-24 10:48:23,837 INFO L226 Difference]: Without dead ends: 14019 [2024-10-24 10:48:23,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 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 10:48:23,858 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 431 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:23,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1480 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 10:48:23,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14019 states. [2024-10-24 10:48:24,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14019 to 8765. [2024-10-24 10:48:24,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8765 states, 7684 states have (on average 1.536829776158251) internal successors, (11809), 7732 states have internal predecessors, (11809), 1003 states have call successors, (1003), 77 states have call predecessors, (1003), 77 states have return successors, (1003), 955 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-10-24 10:48:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8765 states to 8765 states and 13815 transitions. [2024-10-24 10:48:24,297 INFO L78 Accepts]: Start accepts. Automaton has 8765 states and 13815 transitions. Word has length 492 [2024-10-24 10:48:24,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:24,298 INFO L471 AbstractCegarLoop]: Abstraction has 8765 states and 13815 transitions. [2024-10-24 10:48:24,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:24,298 INFO L276 IsEmpty]: Start isEmpty. Operand 8765 states and 13815 transitions. [2024-10-24 10:48:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-10-24 10:48:24,307 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:24,308 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:24,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 10:48:24,308 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:24,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:24,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1510167830, now seen corresponding path program 1 times [2024-10-24 10:48:24,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:24,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296941355] [2024-10-24 10:48:24,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:24,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:26,676 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 63 proven. 153 refuted. 0 times theorem prover too weak. 10296 trivial. 0 not checked. [2024-10-24 10:48:26,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:26,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296941355] [2024-10-24 10:48:26,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296941355] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:26,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170957809] [2024-10-24 10:48:26,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:26,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:26,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:26,680 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 10:48:26,681 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 10:48:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:27,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-24 10:48:27,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 4398 proven. 153 refuted. 0 times theorem prover too weak. 5961 trivial. 0 not checked. [2024-10-24 10:48:28,542 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:48:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 63 proven. 153 refuted. 0 times theorem prover too weak. 10296 trivial. 0 not checked. [2024-10-24 10:48:29,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170957809] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:48:29,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:48:29,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 18 [2024-10-24 10:48:29,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371212931] [2024-10-24 10:48:29,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:48:29,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-24 10:48:29,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:29,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-24 10:48:29,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2024-10-24 10:48:29,585 INFO L87 Difference]: Start difference. First operand 8765 states and 13815 transitions. Second operand has 18 states, 18 states have (on average 18.333333333333332) internal successors, (330), 18 states have internal predecessors, (330), 5 states have call successors, (197), 3 states have call predecessors, (197), 6 states have return successors, (198), 5 states have call predecessors, (198), 5 states have call successors, (198) [2024-10-24 10:48:31,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:31,735 INFO L93 Difference]: Finished difference Result 21451 states and 32974 transitions. [2024-10-24 10:48:31,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 10:48:31,736 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 18.333333333333332) internal successors, (330), 18 states have internal predecessors, (330), 5 states have call successors, (197), 3 states have call predecessors, (197), 6 states have return successors, (198), 5 states have call predecessors, (198), 5 states have call successors, (198) Word has length 492 [2024-10-24 10:48:31,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:31,782 INFO L225 Difference]: With dead ends: 21451 [2024-10-24 10:48:31,783 INFO L226 Difference]: Without dead ends: 12832 [2024-10-24 10:48:31,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1147 GetRequests, 1116 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=257, Invalid=673, Unknown=0, NotChecked=0, Total=930 [2024-10-24 10:48:31,809 INFO L432 NwaCegarLoop]: 346 mSDtfsCounter, 1321 mSDsluCounter, 2230 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 2576 SdHoareTripleChecker+Invalid, 1819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:31,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 2576 Invalid, 1819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 1504 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 10:48:31,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12832 states. [2024-10-24 10:48:32,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12832 to 4403. [2024-10-24 10:48:32,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4403 states, 3738 states have (on average 1.5090957731407169) internal successors, (5641), 3754 states have internal predecessors, (5641), 601 states have call successors, (601), 63 states have call predecessors, (601), 63 states have return successors, (601), 585 states have call predecessors, (601), 601 states have call successors, (601) [2024-10-24 10:48:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 4403 states and 6843 transitions. [2024-10-24 10:48:32,235 INFO L78 Accepts]: Start accepts. Automaton has 4403 states and 6843 transitions. Word has length 492 [2024-10-24 10:48:32,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:32,236 INFO L471 AbstractCegarLoop]: Abstraction has 4403 states and 6843 transitions. [2024-10-24 10:48:32,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 18.333333333333332) internal successors, (330), 18 states have internal predecessors, (330), 5 states have call successors, (197), 3 states have call predecessors, (197), 6 states have return successors, (198), 5 states have call predecessors, (198), 5 states have call successors, (198) [2024-10-24 10:48:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 4403 states and 6843 transitions. [2024-10-24 10:48:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2024-10-24 10:48:32,241 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:32,242 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:32,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 10:48:32,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-24 10:48:32,443 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:32,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:32,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1944838091, now seen corresponding path program 1 times [2024-10-24 10:48:32,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:32,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578209939] [2024-10-24 10:48:32,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:32,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:33,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 69 proven. 147 refuted. 0 times theorem prover too weak. 10296 trivial. 0 not checked. [2024-10-24 10:48:34,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:34,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578209939] [2024-10-24 10:48:34,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578209939] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:34,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722534461] [2024-10-24 10:48:34,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:34,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:34,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:34,202 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 10:48:34,205 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 10:48:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:34,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 10:48:34,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 4626 proven. 147 refuted. 0 times theorem prover too weak. 5739 trivial. 0 not checked. [2024-10-24 10:48:34,963 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:48:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 69 proven. 147 refuted. 0 times theorem prover too weak. 10296 trivial. 0 not checked. [2024-10-24 10:48:35,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722534461] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:48:35,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:48:35,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-10-24 10:48:35,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401830257] [2024-10-24 10:48:35,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:48:35,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 10:48:35,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:35,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 10:48:35,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 10:48:35,367 INFO L87 Difference]: Start difference. First operand 4403 states and 6843 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 2 states have call successors, (122), 2 states have call predecessors, (122), 4 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2024-10-24 10:48:36,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:36,086 INFO L93 Difference]: Finished difference Result 8775 states and 13574 transitions. [2024-10-24 10:48:36,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 10:48:36,087 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 2 states have call successors, (122), 2 states have call predecessors, (122), 4 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) Word has length 493 [2024-10-24 10:48:36,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:36,102 INFO L225 Difference]: With dead ends: 8775 [2024-10-24 10:48:36,102 INFO L226 Difference]: Without dead ends: 4529 [2024-10-24 10:48:36,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1138 GetRequests, 1128 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-24 10:48:36,112 INFO L432 NwaCegarLoop]: 401 mSDtfsCounter, 275 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:36,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1055 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 10:48:36,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4529 states. [2024-10-24 10:48:36,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 4435. [2024-10-24 10:48:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4435 states, 3761 states have (on average 1.4998670566338739) internal successors, (5641), 3777 states have internal predecessors, (5641), 601 states have call successors, (601), 72 states have call predecessors, (601), 72 states have return successors, (601), 585 states have call predecessors, (601), 601 states have call successors, (601) [2024-10-24 10:48:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4435 states to 4435 states and 6843 transitions. [2024-10-24 10:48:36,485 INFO L78 Accepts]: Start accepts. Automaton has 4435 states and 6843 transitions. Word has length 493 [2024-10-24 10:48:36,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:36,486 INFO L471 AbstractCegarLoop]: Abstraction has 4435 states and 6843 transitions. [2024-10-24 10:48:36,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 2 states have call successors, (122), 2 states have call predecessors, (122), 4 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2024-10-24 10:48:36,486 INFO L276 IsEmpty]: Start isEmpty. Operand 4435 states and 6843 transitions. [2024-10-24 10:48:36,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2024-10-24 10:48:36,493 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:36,494 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:36,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 10:48:36,694 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,SelfDestructingSolverStorable12 [2024-10-24 10:48:36,695 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:36,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:36,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1265565837, now seen corresponding path program 1 times [2024-10-24 10:48:36,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:36,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174528659] [2024-10-24 10:48:36,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:36,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:38,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:38,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:38,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:38,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:38,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:38,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:38,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:38,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:38,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:38,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:38,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,269 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 63 proven. 153 refuted. 0 times theorem prover too weak. 10296 trivial. 0 not checked. [2024-10-24 10:48:39,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:39,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174528659] [2024-10-24 10:48:39,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174528659] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:39,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552803596] [2024-10-24 10:48:39,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:39,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:39,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:39,272 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 10:48:39,273 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 10:48:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:39,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 10:48:39,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 4206 proven. 57 refuted. 0 times theorem prover too weak. 6249 trivial. 0 not checked. [2024-10-24 10:48:39,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:48:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 159 proven. 57 refuted. 0 times theorem prover too weak. 10296 trivial. 0 not checked. [2024-10-24 10:48:40,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552803596] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:48:40,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:48:40,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2024-10-24 10:48:40,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560368922] [2024-10-24 10:48:40,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:48:40,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 10:48:40,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:40,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 10:48:40,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-24 10:48:40,057 INFO L87 Difference]: Start difference. First operand 4435 states and 6843 transitions. Second operand has 13 states, 13 states have (on average 19.76923076923077) internal successors, (257), 13 states have internal predecessors, (257), 4 states have call successors, (143), 2 states have call predecessors, (143), 4 states have return successors, (145), 4 states have call predecessors, (145), 4 states have call successors, (145) [2024-10-24 10:48:41,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:41,655 INFO L93 Difference]: Finished difference Result 10052 states and 15200 transitions. [2024-10-24 10:48:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 10:48:41,659 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 19.76923076923077) internal successors, (257), 13 states have internal predecessors, (257), 4 states have call successors, (143), 2 states have call predecessors, (143), 4 states have return successors, (145), 4 states have call predecessors, (145), 4 states have call successors, (145) Word has length 493 [2024-10-24 10:48:41,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:41,677 INFO L225 Difference]: With dead ends: 10052 [2024-10-24 10:48:41,677 INFO L226 Difference]: Without dead ends: 5784 [2024-10-24 10:48:41,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1166 GetRequests, 1134 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=334, Invalid=788, Unknown=0, NotChecked=0, Total=1122 [2024-10-24 10:48:41,687 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 1405 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1407 SdHoareTripleChecker+Valid, 1698 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:41,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1407 Valid, 1698 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [491 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 10:48:41,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5784 states. [2024-10-24 10:48:41,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5784 to 4252. [2024-10-24 10:48:41,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4252 states, 3564 states have (on average 1.4556677890011223) internal successors, (5188), 3580 states have internal predecessors, (5188), 601 states have call successors, (601), 86 states have call predecessors, (601), 86 states have return successors, (601), 585 states have call predecessors, (601), 601 states have call successors, (601) [2024-10-24 10:48:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 4252 states and 6390 transitions. [2024-10-24 10:48:41,968 INFO L78 Accepts]: Start accepts. Automaton has 4252 states and 6390 transitions. Word has length 493 [2024-10-24 10:48:41,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:41,969 INFO L471 AbstractCegarLoop]: Abstraction has 4252 states and 6390 transitions. [2024-10-24 10:48:41,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 19.76923076923077) internal successors, (257), 13 states have internal predecessors, (257), 4 states have call successors, (143), 2 states have call predecessors, (143), 4 states have return successors, (145), 4 states have call predecessors, (145), 4 states have call successors, (145) [2024-10-24 10:48:41,969 INFO L276 IsEmpty]: Start isEmpty. Operand 4252 states and 6390 transitions. [2024-10-24 10:48:41,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2024-10-24 10:48:41,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:41,974 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:41,993 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 10:48:42,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:42,175 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:42,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:42,175 INFO L85 PathProgramCache]: Analyzing trace with hash -834448456, now seen corresponding path program 1 times [2024-10-24 10:48:42,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:42,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605616718] [2024-10-24 10:48:42,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:42,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:42,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:43,118 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10512 trivial. 0 not checked. [2024-10-24 10:48:43,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:43,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605616718] [2024-10-24 10:48:43,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605616718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:43,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:43,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:43,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028809684] [2024-10-24 10:48:43,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:43,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:43,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:43,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:43,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:43,122 INFO L87 Difference]: Start difference. First operand 4252 states and 6390 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:43,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:43,649 INFO L93 Difference]: Finished difference Result 10515 states and 15931 transitions. [2024-10-24 10:48:43,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:43,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) Word has length 494 [2024-10-24 10:48:43,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:43,671 INFO L225 Difference]: With dead ends: 10515 [2024-10-24 10:48:43,671 INFO L226 Difference]: Without dead ends: 6438 [2024-10-24 10:48:43,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 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 10:48:43,681 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 310 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:43,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1292 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 10:48:43,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6438 states. [2024-10-24 10:48:43,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6438 to 4262. [2024-10-24 10:48:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4262 states, 3574 states have (on average 1.4549524342473419) internal successors, (5200), 3590 states have internal predecessors, (5200), 601 states have call successors, (601), 86 states have call predecessors, (601), 86 states have return successors, (601), 585 states have call predecessors, (601), 601 states have call successors, (601) [2024-10-24 10:48:43,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4262 states to 4262 states and 6402 transitions. [2024-10-24 10:48:43,982 INFO L78 Accepts]: Start accepts. Automaton has 4262 states and 6402 transitions. Word has length 494 [2024-10-24 10:48:43,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:43,983 INFO L471 AbstractCegarLoop]: Abstraction has 4262 states and 6402 transitions. [2024-10-24 10:48:43,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 1 states have call successors, (73), 1 states have call predecessors, (73), 1 states have return successors, (73), 1 states have call predecessors, (73), 1 states have call successors, (73) [2024-10-24 10:48:43,984 INFO L276 IsEmpty]: Start isEmpty. Operand 4262 states and 6402 transitions. [2024-10-24 10:48:43,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2024-10-24 10:48:43,988 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:43,988 INFO L215 NwaCegarLoop]: trace histogram [73, 73, 73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:48:43,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 10:48:43,989 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:43,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:43,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1076594102, now seen corresponding path program 1 times [2024-10-24 10:48:43,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:43,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616205204] [2024-10-24 10:48:43,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:43,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 10:48:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 10:48:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 10:48:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 10:48:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 10:48:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 10:48:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 10:48:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 10:48:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 10:48:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 10:48:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 10:48:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 10:48:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 10:48:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 10:48:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-24 10:48:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 10:48:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 10:48:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 10:48:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-24 10:48:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-24 10:48:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-24 10:48:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-10-24 10:48:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-24 10:48:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-10-24 10:48:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-24 10:48:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-24 10:48:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-24 10:48:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-10-24 10:48:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-24 10:48:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-24 10:48:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-24 10:48:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-24 10:48:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-24 10:48:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-24 10:48:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-24 10:48:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2024-10-24 10:48:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2024-10-24 10:48:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2024-10-24 10:48:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2024-10-24 10:48:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-24 10:48:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2024-10-24 10:48:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2024-10-24 10:48:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-24 10:48:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2024-10-24 10:48:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 312 proven. 318 refuted. 0 times theorem prover too weak. 9882 trivial. 0 not checked. [2024-10-24 10:48:48,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:48,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616205204] [2024-10-24 10:48:48,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616205204] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 10:48:48,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918848329] [2024-10-24 10:48:48,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:48,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 10:48:48,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:48:48,688 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 10:48:48,689 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 10:48:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:49,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-10-24 10:48:49,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 10:48:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 7231 proven. 636 refuted. 0 times theorem prover too weak. 2645 trivial. 0 not checked. [2024-10-24 10:48:54,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 10:49:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 10512 backedges. 561 proven. 489 refuted. 0 times theorem prover too weak. 9462 trivial. 0 not checked. [2024-10-24 10:49:00,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918848329] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 10:49:00,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 10:49:00,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 25, 25] total 63 [2024-10-24 10:49:00,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749534603] [2024-10-24 10:49:00,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 10:49:00,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-10-24 10:49:00,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:49:00,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-10-24 10:49:00,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=760, Invalid=3146, Unknown=0, NotChecked=0, Total=3906 [2024-10-24 10:49:00,173 INFO L87 Difference]: Start difference. First operand 4262 states and 6402 transitions. Second operand has 63 states, 61 states have (on average 6.065573770491803) internal successors, (370), 59 states have internal predecessors, (370), 19 states have call successors, (219), 8 states have call predecessors, (219), 17 states have return successors, (219), 19 states have call predecessors, (219), 19 states have call successors, (219)