./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-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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-6.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 b1b5e238bcd4ee535bf9e96af21caceeb3a2a173bd89e8e32df2f3ba7f05dd4a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 07:55:18,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 07:55:18,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 07:55:18,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 07:55:18,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 07:55:18,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 07:55:18,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 07:55:18,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 07:55:18,862 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 07:55:18,862 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 07:55:18,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 07:55:18,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 07:55:18,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 07:55:18,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 07:55:18,864 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 07:55:18,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 07:55:18,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 07:55:18,865 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 07:55:18,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 07:55:18,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 07:55:18,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 07:55:18,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 07:55:18,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 07:55:18,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 07:55:18,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 07:55:18,872 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 07:55:18,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 07:55:18,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 07:55:18,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 07:55:18,873 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 07:55:18,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 07:55:18,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 07:55:18,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 07:55:18,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 07:55:18,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 07:55:18,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 07:55:18,875 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 07:55:18,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 07:55:18,876 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 07:55:18,876 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 07:55:18,877 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 07:55:18,877 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 07:55:18,878 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1b5e238bcd4ee535bf9e96af21caceeb3a2a173bd89e8e32df2f3ba7f05dd4a [2024-11-20 07:55:19,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 07:55:19,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 07:55:19,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 07:55:19,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 07:55:19,154 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 07:55:19,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-6.i [2024-11-20 07:55:20,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 07:55:20,915 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 07:55:20,919 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-6.i [2024-11-20 07:55:20,940 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50a27350e/d53e0af7af984749be360c9561284567/FLAGb7aff8ea1 [2024-11-20 07:55:21,206 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50a27350e/d53e0af7af984749be360c9561284567 [2024-11-20 07:55:21,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 07:55:21,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 07:55:21,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 07:55:21,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 07:55:21,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 07:55:21,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:55:21" (1/1) ... [2024-11-20 07:55:21,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e53d4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:21, skipping insertion in model container [2024-11-20 07:55:21,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:55:21" (1/1) ... [2024-11-20 07:55:21,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 07:55:21,495 WARN L250 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-6.i[915,928] [2024-11-20 07:55:21,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 07:55:21,839 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 07:55:21,852 WARN L250 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-6.i[915,928] [2024-11-20 07:55:21,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 07:55:22,001 INFO L204 MainTranslator]: Completed translation [2024-11-20 07:55:22,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22 WrapperNode [2024-11-20 07:55:22,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 07:55:22,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 07:55:22,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 07:55:22,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 07:55:22,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (1/1) ... [2024-11-20 07:55:22,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (1/1) ... [2024-11-20 07:55:22,180 INFO L138 Inliner]: procedures = 26, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 629 [2024-11-20 07:55:22,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 07:55:22,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 07:55:22,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 07:55:22,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 07:55:22,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (1/1) ... [2024-11-20 07:55:22,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (1/1) ... [2024-11-20 07:55:22,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (1/1) ... [2024-11-20 07:55:22,320 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]. [2024-11-20 07:55:22,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (1/1) ... [2024-11-20 07:55:22,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (1/1) ... [2024-11-20 07:55:22,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (1/1) ... [2024-11-20 07:55:22,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (1/1) ... [2024-11-20 07:55:22,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (1/1) ... [2024-11-20 07:55:22,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (1/1) ... [2024-11-20 07:55:22,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 07:55:22,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 07:55:22,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 07:55:22,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 07:55:22,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (1/1) ... [2024-11-20 07:55:22,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 07:55:22,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 07:55:22,490 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) [2024-11-20 07:55:22,493 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 [2024-11-20 07:55:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 07:55:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 07:55:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 07:55:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 07:55:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 07:55:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 07:55:22,653 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 07:55:22,656 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 07:55:23,833 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-11-20 07:55:23,833 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 07:55:23,859 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 07:55:23,860 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 07:55:23,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:55:23 BoogieIcfgContainer [2024-11-20 07:55:23,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 07:55:23,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 07:55:23,865 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 07:55:23,868 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 07:55:23,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:55:21" (1/3) ... [2024-11-20 07:55:23,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f53702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:55:23, skipping insertion in model container [2024-11-20 07:55:23,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:55:22" (2/3) ... [2024-11-20 07:55:23,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f53702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:55:23, skipping insertion in model container [2024-11-20 07:55:23,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:55:23" (3/3) ... [2024-11-20 07:55:23,872 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-6.i [2024-11-20 07:55:23,890 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 07:55:23,890 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 07:55:23,974 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 07:55:23,982 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;@45cfe6a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 07:55:23,984 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 07:55:23,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 237 states, 177 states have (on average 1.576271186440678) internal successors, (279), 178 states have internal predecessors, (279), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-20 07:55:24,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-20 07:55:24,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:24,020 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:24,021 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:24,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:24,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1265523210, now seen corresponding path program 1 times [2024-11-20 07:55:24,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:24,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895332939] [2024-11-20 07:55:24,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:24,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:24,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:25,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:25,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895332939] [2024-11-20 07:55:25,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895332939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:25,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:25,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 07:55:25,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795035279] [2024-11-20 07:55:25,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:25,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 07:55:25,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:25,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 07:55:25,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 07:55:25,067 INFO L87 Difference]: Start difference. First operand has 237 states, 177 states have (on average 1.576271186440678) internal successors, (279), 178 states have internal predecessors, (279), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 2 states have call successors, (57) [2024-11-20 07:55:25,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:55:25,126 INFO L93 Difference]: Finished difference Result 466 states and 835 transitions. [2024-11-20 07:55:25,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 07:55:25,129 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 2 states have call successors, (57) Word has length 408 [2024-11-20 07:55:25,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:55:25,141 INFO L225 Difference]: With dead ends: 466 [2024-11-20 07:55:25,142 INFO L226 Difference]: Without dead ends: 232 [2024-11-20 07:55:25,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 07:55:25,151 INFO L432 NwaCegarLoop]: 383 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:55:25,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:55:25,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-20 07:55:25,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-20 07:55:25,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 173 states have (on average 1.5549132947976878) internal successors, (269), 173 states have internal predecessors, (269), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-20 07:55:25,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 383 transitions. [2024-11-20 07:55:25,229 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 383 transitions. Word has length 408 [2024-11-20 07:55:25,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:55:25,231 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 383 transitions. [2024-11-20 07:55:25,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 2 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 2 states have call successors, (57) [2024-11-20 07:55:25,232 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 383 transitions. [2024-11-20 07:55:25,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-20 07:55:25,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:25,245 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:25,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 07:55:25,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:25,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:25,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1431247416, now seen corresponding path program 1 times [2024-11-20 07:55:25,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:25,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724389288] [2024-11-20 07:55:25,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:25,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:25,864 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:25,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:25,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724389288] [2024-11-20 07:55:25,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724389288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:25,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:25,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:55:25,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022713239] [2024-11-20 07:55:25,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:25,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:55:25,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:25,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:55:25,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:25,872 INFO L87 Difference]: Start difference. First operand 232 states and 383 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:26,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:55:26,017 INFO L93 Difference]: Finished difference Result 653 states and 1079 transitions. [2024-11-20 07:55:26,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:55:26,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 408 [2024-11-20 07:55:26,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:55:26,027 INFO L225 Difference]: With dead ends: 653 [2024-11-20 07:55:26,027 INFO L226 Difference]: Without dead ends: 424 [2024-11-20 07:55:26,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:26,033 INFO L432 NwaCegarLoop]: 482 mSDtfsCounter, 307 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:55:26,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 841 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:55:26,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-20 07:55:26,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 421. [2024-11-20 07:55:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 322 states have (on average 1.5590062111801242) internal successors, (502), 323 states have internal predecessors, (502), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-20 07:55:26,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 694 transitions. [2024-11-20 07:55:26,097 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 694 transitions. Word has length 408 [2024-11-20 07:55:26,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:55:26,100 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 694 transitions. [2024-11-20 07:55:26,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:26,102 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 694 transitions. [2024-11-20 07:55:26,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-20 07:55:26,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:26,110 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:26,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 07:55:26,111 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:26,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:26,111 INFO L85 PathProgramCache]: Analyzing trace with hash 373409338, now seen corresponding path program 1 times [2024-11-20 07:55:26,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:26,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638261163] [2024-11-20 07:55:26,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:26,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:26,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:26,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638261163] [2024-11-20 07:55:26,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638261163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:26,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:26,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:55:26,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982859880] [2024-11-20 07:55:26,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:26,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:55:26,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:26,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:55:26,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:26,690 INFO L87 Difference]: Start difference. First operand 421 states and 694 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:26,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:55:26,820 INFO L93 Difference]: Finished difference Result 1257 states and 2076 transitions. [2024-11-20 07:55:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:55:26,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 408 [2024-11-20 07:55:26,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:55:26,836 INFO L225 Difference]: With dead ends: 1257 [2024-11-20 07:55:26,836 INFO L226 Difference]: Without dead ends: 839 [2024-11-20 07:55:26,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:26,841 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 374 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:55:26,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 976 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:55:26,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-20 07:55:26,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 837. [2024-11-20 07:55:26,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 640 states have (on average 1.55) internal successors, (992), 642 states have internal predecessors, (992), 192 states have call successors, (192), 4 states have call predecessors, (192), 4 states have return successors, (192), 190 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-20 07:55:26,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1376 transitions. [2024-11-20 07:55:26,960 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1376 transitions. Word has length 408 [2024-11-20 07:55:26,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:55:26,963 INFO L471 AbstractCegarLoop]: Abstraction has 837 states and 1376 transitions. [2024-11-20 07:55:26,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1376 transitions. [2024-11-20 07:55:26,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-20 07:55:26,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:26,971 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:26,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 07:55:26,972 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:26,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:26,972 INFO L85 PathProgramCache]: Analyzing trace with hash 854489596, now seen corresponding path program 1 times [2024-11-20 07:55:26,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:26,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686027955] [2024-11-20 07:55:26,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:26,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:27,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:27,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:27,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686027955] [2024-11-20 07:55:27,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686027955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:27,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:27,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:55:27,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298201853] [2024-11-20 07:55:27,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:27,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:55:27,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:27,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:55:27,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:27,513 INFO L87 Difference]: Start difference. First operand 837 states and 1376 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:27,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:55:27,677 INFO L93 Difference]: Finished difference Result 2497 states and 4106 transitions. [2024-11-20 07:55:27,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:55:27,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 408 [2024-11-20 07:55:27,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:55:27,693 INFO L225 Difference]: With dead ends: 2497 [2024-11-20 07:55:27,693 INFO L226 Difference]: Without dead ends: 1663 [2024-11-20 07:55:27,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:27,698 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 362 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:55:27,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 996 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:55:27,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2024-11-20 07:55:27,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 915. [2024-11-20 07:55:27,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 718 states have (on average 1.5571030640668524) internal successors, (1118), 720 states have internal predecessors, (1118), 192 states have call successors, (192), 4 states have call predecessors, (192), 4 states have return successors, (192), 190 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-20 07:55:27,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1502 transitions. [2024-11-20 07:55:27,821 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1502 transitions. Word has length 408 [2024-11-20 07:55:27,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:55:27,822 INFO L471 AbstractCegarLoop]: Abstraction has 915 states and 1502 transitions. [2024-11-20 07:55:27,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:27,823 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1502 transitions. [2024-11-20 07:55:27,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-20 07:55:27,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:27,831 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:27,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 07:55:27,831 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:27,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:27,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1556089470, now seen corresponding path program 1 times [2024-11-20 07:55:27,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:27,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003018056] [2024-11-20 07:55:27,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:27,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:28,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:28,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003018056] [2024-11-20 07:55:28,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003018056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:28,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:28,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:55:28,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487358381] [2024-11-20 07:55:28,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:28,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:55:28,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:28,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:55:28,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:28,274 INFO L87 Difference]: Start difference. First operand 915 states and 1502 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:28,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:55:28,441 INFO L93 Difference]: Finished difference Result 2711 states and 4444 transitions. [2024-11-20 07:55:28,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:55:28,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 408 [2024-11-20 07:55:28,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:55:28,455 INFO L225 Difference]: With dead ends: 2711 [2024-11-20 07:55:28,455 INFO L226 Difference]: Without dead ends: 1799 [2024-11-20 07:55:28,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:28,460 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 311 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:55:28,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 718 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:55:28,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2024-11-20 07:55:28,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1797. [2024-11-20 07:55:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1797 states, 1404 states have (on average 1.5256410256410255) internal successors, (2142), 1408 states have internal predecessors, (2142), 384 states have call successors, (384), 8 states have call predecessors, (384), 8 states have return successors, (384), 380 states have call predecessors, (384), 384 states have call successors, (384) [2024-11-20 07:55:28,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1797 states and 2910 transitions. [2024-11-20 07:55:28,617 INFO L78 Accepts]: Start accepts. Automaton has 1797 states and 2910 transitions. Word has length 408 [2024-11-20 07:55:28,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:55:28,618 INFO L471 AbstractCegarLoop]: Abstraction has 1797 states and 2910 transitions. [2024-11-20 07:55:28,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:28,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2910 transitions. [2024-11-20 07:55:28,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-20 07:55:28,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:28,626 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:28,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 07:55:28,626 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:28,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:28,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1293809282, now seen corresponding path program 1 times [2024-11-20 07:55:28,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:28,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287213150] [2024-11-20 07:55:28,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:28,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:28,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:29,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:29,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:29,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287213150] [2024-11-20 07:55:29,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287213150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:29,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:29,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:55:29,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378173092] [2024-11-20 07:55:29,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:29,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:55:29,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:29,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:55:29,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:29,042 INFO L87 Difference]: Start difference. First operand 1797 states and 2910 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:29,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:55:29,271 INFO L93 Difference]: Finished difference Result 5365 states and 8684 transitions. [2024-11-20 07:55:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:55:29,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 408 [2024-11-20 07:55:29,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:55:29,294 INFO L225 Difference]: With dead ends: 5365 [2024-11-20 07:55:29,294 INFO L226 Difference]: Without dead ends: 3571 [2024-11-20 07:55:29,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:29,303 INFO L432 NwaCegarLoop]: 381 mSDtfsCounter, 367 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:55:29,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 749 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:55:29,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3571 states. [2024-11-20 07:55:29,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3571 to 3177. [2024-11-20 07:55:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 2392 states have (on average 1.4987458193979932) internal successors, (3585), 2400 states have internal predecessors, (3585), 768 states have call successors, (768), 16 states have call predecessors, (768), 16 states have return successors, (768), 760 states have call predecessors, (768), 768 states have call successors, (768) [2024-11-20 07:55:29,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 5121 transitions. [2024-11-20 07:55:29,686 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 5121 transitions. Word has length 408 [2024-11-20 07:55:29,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:55:29,687 INFO L471 AbstractCegarLoop]: Abstraction has 3177 states and 5121 transitions. [2024-11-20 07:55:29,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:29,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 5121 transitions. [2024-11-20 07:55:29,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-20 07:55:29,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:29,697 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:29,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 07:55:29,698 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:29,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:29,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1990040764, now seen corresponding path program 1 times [2024-11-20 07:55:29,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:29,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977055854] [2024-11-20 07:55:29,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:29,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:30,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:30,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977055854] [2024-11-20 07:55:30,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977055854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:30,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:30,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 07:55:30,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847442766] [2024-11-20 07:55:30,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:30,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 07:55:30,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:30,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 07:55:30,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:55:30,786 INFO L87 Difference]: Start difference. First operand 3177 states and 5121 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:31,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:55:31,293 INFO L93 Difference]: Finished difference Result 7708 states and 12406 transitions. [2024-11-20 07:55:31,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 07:55:31,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 408 [2024-11-20 07:55:31,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:55:31,322 INFO L225 Difference]: With dead ends: 7708 [2024-11-20 07:55:31,322 INFO L226 Difference]: Without dead ends: 4534 [2024-11-20 07:55:31,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 07:55:31,333 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 316 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 07:55:31,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 1502 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 07:55:31,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2024-11-20 07:55:31,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 3281. [2024-11-20 07:55:31,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3281 states, 2437 states have (on average 1.4903569963069347) internal successors, (3632), 2445 states have internal predecessors, (3632), 825 states have call successors, (825), 18 states have call predecessors, (825), 18 states have return successors, (825), 817 states have call predecessors, (825), 825 states have call successors, (825) [2024-11-20 07:55:31,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 3281 states and 5282 transitions. [2024-11-20 07:55:31,692 INFO L78 Accepts]: Start accepts. Automaton has 3281 states and 5282 transitions. Word has length 408 [2024-11-20 07:55:31,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:55:31,693 INFO L471 AbstractCegarLoop]: Abstraction has 3281 states and 5282 transitions. [2024-11-20 07:55:31,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:31,693 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 5282 transitions. [2024-11-20 07:55:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2024-11-20 07:55:31,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:31,701 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:31,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 07:55:31,701 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:31,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:31,702 INFO L85 PathProgramCache]: Analyzing trace with hash -607304994, now seen corresponding path program 1 times [2024-11-20 07:55:31,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:31,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604050763] [2024-11-20 07:55:31,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:31,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:32,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:32,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:32,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604050763] [2024-11-20 07:55:32,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604050763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:32,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:32,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:55:32,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277634208] [2024-11-20 07:55:32,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:32,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:55:32,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:32,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:55:32,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:32,743 INFO L87 Difference]: Start difference. First operand 3281 states and 5282 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:33,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:55:33,231 INFO L93 Difference]: Finished difference Result 9445 states and 15229 transitions. [2024-11-20 07:55:33,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:55:33,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 409 [2024-11-20 07:55:33,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:55:33,283 INFO L225 Difference]: With dead ends: 9445 [2024-11-20 07:55:33,284 INFO L226 Difference]: Without dead ends: 6271 [2024-11-20 07:55:33,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:33,301 INFO L432 NwaCegarLoop]: 545 mSDtfsCounter, 263 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:55:33,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 908 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:55:33,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6271 states. [2024-11-20 07:55:33,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6271 to 6205. [2024-11-20 07:55:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6205 states, 4577 states have (on average 1.4756390648896658) internal successors, (6754), 4593 states have internal predecessors, (6754), 1593 states have call successors, (1593), 34 states have call predecessors, (1593), 34 states have return successors, (1593), 1577 states have call predecessors, (1593), 1593 states have call successors, (1593) [2024-11-20 07:55:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6205 states to 6205 states and 9940 transitions. [2024-11-20 07:55:33,853 INFO L78 Accepts]: Start accepts. Automaton has 6205 states and 9940 transitions. Word has length 409 [2024-11-20 07:55:33,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:55:33,853 INFO L471 AbstractCegarLoop]: Abstraction has 6205 states and 9940 transitions. [2024-11-20 07:55:33,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:33,854 INFO L276 IsEmpty]: Start isEmpty. Operand 6205 states and 9940 transitions. [2024-11-20 07:55:33,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-20 07:55:33,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:33,862 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:33,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 07:55:33,863 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:33,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:33,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1201866854, now seen corresponding path program 1 times [2024-11-20 07:55:33,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:33,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544700608] [2024-11-20 07:55:33,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:33,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:34,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:34,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:34,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544700608] [2024-11-20 07:55:34,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544700608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:34,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:34,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:55:34,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074656425] [2024-11-20 07:55:34,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:34,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:55:34,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:34,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:55:34,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:34,953 INFO L87 Difference]: Start difference. First operand 6205 states and 9940 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:35,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:55:35,425 INFO L93 Difference]: Finished difference Result 15353 states and 24622 transitions. [2024-11-20 07:55:35,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:55:35,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 410 [2024-11-20 07:55:35,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:55:35,495 INFO L225 Difference]: With dead ends: 15353 [2024-11-20 07:55:35,499 INFO L226 Difference]: Without dead ends: 9255 [2024-11-20 07:55:35,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:35,525 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 249 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 07:55:35,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 741 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 07:55:35,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9255 states. [2024-11-20 07:55:36,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9255 to 9253. [2024-11-20 07:55:36,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9253 states, 6841 states have (on average 1.4753690980850753) internal successors, (10093), 6865 states have internal predecessors, (10093), 2361 states have call successors, (2361), 50 states have call predecessors, (2361), 50 states have return successors, (2361), 2337 states have call predecessors, (2361), 2361 states have call successors, (2361) [2024-11-20 07:55:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9253 states to 9253 states and 14815 transitions. [2024-11-20 07:55:36,219 INFO L78 Accepts]: Start accepts. Automaton has 9253 states and 14815 transitions. Word has length 410 [2024-11-20 07:55:36,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:55:36,222 INFO L471 AbstractCegarLoop]: Abstraction has 9253 states and 14815 transitions. [2024-11-20 07:55:36,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:36,223 INFO L276 IsEmpty]: Start isEmpty. Operand 9253 states and 14815 transitions. [2024-11-20 07:55:36,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-20 07:55:36,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:36,234 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:36,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 07:55:36,235 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:36,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:36,235 INFO L85 PathProgramCache]: Analyzing trace with hash -160125800, now seen corresponding path program 1 times [2024-11-20 07:55:36,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:36,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245580333] [2024-11-20 07:55:36,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:36,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:37,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:37,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245580333] [2024-11-20 07:55:37,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245580333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:37,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:37,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 07:55:37,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696542180] [2024-11-20 07:55:37,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:37,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 07:55:37,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:37,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 07:55:37,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:37,372 INFO L87 Difference]: Start difference. First operand 9253 states and 14815 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:37,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:55:37,953 INFO L93 Difference]: Finished difference Result 18377 states and 29407 transitions. [2024-11-20 07:55:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 07:55:37,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 410 [2024-11-20 07:55:37,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:55:38,012 INFO L225 Difference]: With dead ends: 18377 [2024-11-20 07:55:38,012 INFO L226 Difference]: Without dead ends: 9231 [2024-11-20 07:55:38,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 07:55:38,051 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 155 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 07:55:38,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 809 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 07:55:38,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9231 states. [2024-11-20 07:55:38,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9231 to 9217. [2024-11-20 07:55:38,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9217 states, 6877 states have (on average 1.4746255634724443) internal successors, (10141), 6901 states have internal predecessors, (10141), 2277 states have call successors, (2277), 62 states have call predecessors, (2277), 62 states have return successors, (2277), 2253 states have call predecessors, (2277), 2277 states have call successors, (2277) [2024-11-20 07:55:38,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9217 states to 9217 states and 14695 transitions. [2024-11-20 07:55:38,782 INFO L78 Accepts]: Start accepts. Automaton has 9217 states and 14695 transitions. Word has length 410 [2024-11-20 07:55:38,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:55:38,783 INFO L471 AbstractCegarLoop]: Abstraction has 9217 states and 14695 transitions. [2024-11-20 07:55:38,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 9217 states and 14695 transitions. [2024-11-20 07:55:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-20 07:55:38,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:38,793 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:38,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 07:55:38,793 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:38,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:38,794 INFO L85 PathProgramCache]: Analyzing trace with hash -2049172832, now seen corresponding path program 1 times [2024-11-20 07:55:38,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:38,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842983603] [2024-11-20 07:55:38,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:38,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:40,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:41,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:41,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842983603] [2024-11-20 07:55:41,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842983603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:41,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:41,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 07:55:41,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290861264] [2024-11-20 07:55:41,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:41,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 07:55:41,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:41,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 07:55:41,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:55:41,074 INFO L87 Difference]: Start difference. First operand 9217 states and 14695 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:42,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:55:42,913 INFO L93 Difference]: Finished difference Result 30073 states and 47606 transitions. [2024-11-20 07:55:42,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 07:55:42,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 410 [2024-11-20 07:55:42,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:55:43,031 INFO L225 Difference]: With dead ends: 30073 [2024-11-20 07:55:43,032 INFO L226 Difference]: Without dead ends: 20963 [2024-11-20 07:55:43,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:55:43,077 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 400 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 07:55:43,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1593 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 07:55:43,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20963 states. [2024-11-20 07:55:44,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20963 to 16975. [2024-11-20 07:55:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16975 states, 12895 states have (on average 1.4829778984102364) internal successors, (19123), 12967 states have internal predecessors, (19123), 3957 states have call successors, (3957), 122 states have call predecessors, (3957), 122 states have return successors, (3957), 3885 states have call predecessors, (3957), 3957 states have call successors, (3957) [2024-11-20 07:55:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16975 states to 16975 states and 27037 transitions. [2024-11-20 07:55:44,923 INFO L78 Accepts]: Start accepts. Automaton has 16975 states and 27037 transitions. Word has length 410 [2024-11-20 07:55:44,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:55:44,924 INFO L471 AbstractCegarLoop]: Abstraction has 16975 states and 27037 transitions. [2024-11-20 07:55:44,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 16975 states and 27037 transitions. [2024-11-20 07:55:44,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-20 07:55:44,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:44,939 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:44,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 07:55:44,940 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:44,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:44,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1369114462, now seen corresponding path program 1 times [2024-11-20 07:55:44,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:44,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732295759] [2024-11-20 07:55:44,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:44,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:46,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:46,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732295759] [2024-11-20 07:55:46,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732295759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:46,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:46,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 07:55:46,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755023150] [2024-11-20 07:55:46,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:46,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 07:55:46,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:46,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 07:55:46,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 07:55:46,785 INFO L87 Difference]: Start difference. First operand 16975 states and 27037 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:49,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:55:49,245 INFO L93 Difference]: Finished difference Result 55155 states and 87638 transitions. [2024-11-20 07:55:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 07:55:49,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 410 [2024-11-20 07:55:49,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:55:49,429 INFO L225 Difference]: With dead ends: 55155 [2024-11-20 07:55:49,430 INFO L226 Difference]: Without dead ends: 38285 [2024-11-20 07:55:49,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 07:55:49,487 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 552 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 07:55:49,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1125 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 07:55:49,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38285 states. [2024-11-20 07:55:52,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38285 to 33589. [2024-11-20 07:55:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33589 states, 25489 states have (on average 1.4763231197771587) internal successors, (37630), 25633 states have internal predecessors, (37630), 7857 states have call successors, (7857), 242 states have call predecessors, (7857), 242 states have return successors, (7857), 7713 states have call predecessors, (7857), 7857 states have call successors, (7857) [2024-11-20 07:55:52,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33589 states to 33589 states and 53344 transitions. [2024-11-20 07:55:52,810 INFO L78 Accepts]: Start accepts. Automaton has 33589 states and 53344 transitions. Word has length 410 [2024-11-20 07:55:52,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:55:52,811 INFO L471 AbstractCegarLoop]: Abstraction has 33589 states and 53344 transitions. [2024-11-20 07:55:52,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-20 07:55:52,812 INFO L276 IsEmpty]: Start isEmpty. Operand 33589 states and 53344 transitions. [2024-11-20 07:55:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-20 07:55:52,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:55:52,826 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:55:52,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 07:55:52,827 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:55:52,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:55:52,827 INFO L85 PathProgramCache]: Analyzing trace with hash 967278048, now seen corresponding path program 1 times [2024-11-20 07:55:52,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:55:52,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141511371] [2024-11-20 07:55:52,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:55:52,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:55:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:55:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:55:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:55:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:55:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:55:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:55:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:55:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:55:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:55:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:55:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:55:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:55:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:55:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:55:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:55:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:55:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:55:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:55:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:55:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:55:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:55:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:55:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:55:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:55:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:55:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:55:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:55:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:55:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:55:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:55:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:55:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:55:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:55:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:55:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:55:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:55:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:55:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:55:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:55:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:55:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:55:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:55:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:55:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:55:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:55:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:55:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:55:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:55:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:55:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:55:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:55:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:55:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:55:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:55:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:55:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:55:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:55:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:55:57,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:55:57,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:55:57,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141511371] [2024-11-20 07:55:57,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141511371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:55:57,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:55:57,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 07:55:57,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743052750] [2024-11-20 07:55:57,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:55:57,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 07:55:57,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:55:57,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 07:55:57,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-20 07:55:57,851 INFO L87 Difference]: Start difference. First operand 33589 states and 53344 transitions. Second operand has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 12 states have internal predecessors, (128), 4 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2024-11-20 07:56:05,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 07:56:05,173 INFO L93 Difference]: Finished difference Result 128099 states and 201688 transitions. [2024-11-20 07:56:05,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 07:56:05,174 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 12 states have internal predecessors, (128), 4 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) Word has length 410 [2024-11-20 07:56:05,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 07:56:05,936 INFO L225 Difference]: With dead ends: 128099 [2024-11-20 07:56:05,937 INFO L226 Difference]: Without dead ends: 94617 [2024-11-20 07:56:06,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-20 07:56:06,040 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 2619 mSDsluCounter, 2373 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 557 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2619 SdHoareTripleChecker+Valid, 2836 SdHoareTripleChecker+Invalid, 1865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 557 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-20 07:56:06,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 2836 Invalid, 1865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [557 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-20 07:56:06,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94617 states. [2024-11-20 07:56:13,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94617 to 93941. [2024-11-20 07:56:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93941 states, 72808 states have (on average 1.4688358422151413) internal successors, (106943), 73288 states have internal predecessors, (106943), 20073 states have call successors, (20073), 1059 states have call predecessors, (20073), 1059 states have return successors, (20073), 19593 states have call predecessors, (20073), 20073 states have call successors, (20073) [2024-11-20 07:56:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93941 states to 93941 states and 147089 transitions. [2024-11-20 07:56:13,958 INFO L78 Accepts]: Start accepts. Automaton has 93941 states and 147089 transitions. Word has length 410 [2024-11-20 07:56:13,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 07:56:13,960 INFO L471 AbstractCegarLoop]: Abstraction has 93941 states and 147089 transitions. [2024-11-20 07:56:13,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 12 states have internal predecessors, (128), 4 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2024-11-20 07:56:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 93941 states and 147089 transitions. [2024-11-20 07:56:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-11-20 07:56:14,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 07:56:14,005 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 07:56:14,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 07:56:14,005 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 07:56:14,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 07:56:14,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1429475618, now seen corresponding path program 1 times [2024-11-20 07:56:14,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 07:56:14,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146162239] [2024-11-20 07:56:14,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 07:56:14,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 07:56:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 07:56:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 07:56:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 07:56:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 07:56:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 07:56:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 07:56:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-20 07:56:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-20 07:56:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 07:56:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-20 07:56:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-20 07:56:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 07:56:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 07:56:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-20 07:56:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 07:56:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 07:56:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 07:56:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 07:56:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 07:56:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 07:56:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 07:56:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 07:56:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 07:56:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-20 07:56:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-20 07:56:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-20 07:56:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-20 07:56:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-20 07:56:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-20 07:56:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-20 07:56:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-20 07:56:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-20 07:56:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-20 07:56:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-20 07:56:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-20 07:56:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-20 07:56:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-20 07:56:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-20 07:56:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-11-20 07:56:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-20 07:56:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-11-20 07:56:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-20 07:56:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-20 07:56:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-11-20 07:56:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-20 07:56:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-20 07:56:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-11-20 07:56:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-11-20 07:56:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-11-20 07:56:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-11-20 07:56:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2024-11-20 07:56:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-11-20 07:56:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-20 07:56:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-20 07:56:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2024-11-20 07:56:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-20 07:56:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-20 07:56:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 07:56:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-20 07:56:16,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 07:56:16,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146162239] [2024-11-20 07:56:16,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146162239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 07:56:16,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 07:56:16,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 07:56:16,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349990469] [2024-11-20 07:56:16,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 07:56:16,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 07:56:16,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 07:56:16,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 07:56:16,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 07:56:16,337 INFO L87 Difference]: Start difference. First operand 93941 states and 147089 transitions. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 6 states have internal predecessors, (129), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57)