./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_loopvsstraightlinecode_100-1loop_file-61.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_loopvsstraightlinecode_100-1loop_file-61.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 dbe45afa86e2c578c058b9245371f9cd8d3f7cde9f82c7f7a0cfc33405a8ed29 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 06:15:27,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 06:15:27,960 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 06:15:27,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 06:15:27,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 06:15:27,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 06:15:27,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 06:15:27,988 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 06:15:27,989 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 06:15:27,989 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 06:15:27,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 06:15:27,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 06:15:27,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 06:15:27,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 06:15:27,991 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 06:15:27,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 06:15:27,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 06:15:27,994 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 06:15:27,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 06:15:27,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 06:15:27,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 06:15:27,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 06:15:27,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 06:15:27,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 06:15:27,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 06:15:27,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 06:15:27,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 06:15:27,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 06:15:27,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 06:15:27,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 06:15:27,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 06:15:27,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 06:15:27,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:15:27,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 06:15:27,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 06:15:27,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 06:15:27,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 06:15:27,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 06:15:27,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 06:15:27,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 06:15:27,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 06:15:28,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 06:15:28,000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbe45afa86e2c578c058b9245371f9cd8d3f7cde9f82c7f7a0cfc33405a8ed29 [2024-11-20 06:15:28,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 06:15:28,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 06:15:28,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 06:15:28,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 06:15:28,235 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 06:15:28,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.i [2024-11-20 06:15:29,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 06:15:29,693 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 06:15:29,693 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-61.i [2024-11-20 06:15:29,708 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c816a4289/637c987cf56440f59d8ccfb12933519f/FLAG67554b5ea [2024-11-20 06:15:29,719 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c816a4289/637c987cf56440f59d8ccfb12933519f [2024-11-20 06:15:29,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 06:15:29,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 06:15:29,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 06:15:29,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 06:15:29,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 06:15:29,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:15:29" (1/1) ... [2024-11-20 06:15:29,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4167b642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:29, skipping insertion in model container [2024-11-20 06:15:29,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:15:29" (1/1) ... [2024-11-20 06:15:29,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 06:15:29,906 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_loopvsstraightlinecode_100-1loop_file-61.i[916,929] [2024-11-20 06:15:29,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:15:29,983 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 06:15:29,992 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_loopvsstraightlinecode_100-1loop_file-61.i[916,929] [2024-11-20 06:15:30,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:15:30,041 INFO L204 MainTranslator]: Completed translation [2024-11-20 06:15:30,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30 WrapperNode [2024-11-20 06:15:30,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 06:15:30,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 06:15:30,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 06:15:30,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 06:15:30,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (1/1) ... [2024-11-20 06:15:30,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (1/1) ... [2024-11-20 06:15:30,107 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 249 [2024-11-20 06:15:30,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 06:15:30,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 06:15:30,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 06:15:30,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 06:15:30,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (1/1) ... [2024-11-20 06:15:30,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (1/1) ... [2024-11-20 06:15:30,127 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (1/1) ... [2024-11-20 06:15:30,176 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 06:15:30,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (1/1) ... [2024-11-20 06:15:30,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (1/1) ... [2024-11-20 06:15:30,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (1/1) ... [2024-11-20 06:15:30,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (1/1) ... [2024-11-20 06:15:30,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (1/1) ... [2024-11-20 06:15:30,207 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (1/1) ... [2024-11-20 06:15:30,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 06:15:30,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 06:15:30,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 06:15:30,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 06:15:30,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (1/1) ... [2024-11-20 06:15:30,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:15:30,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:15:30,247 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 06:15:30,251 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 06:15:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 06:15:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 06:15:30,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 06:15:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 06:15:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 06:15:30,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 06:15:30,364 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 06:15:30,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 06:15:30,764 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-20 06:15:30,764 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 06:15:30,776 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 06:15:30,776 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 06:15:30,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:15:30 BoogieIcfgContainer [2024-11-20 06:15:30,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 06:15:30,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 06:15:30,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 06:15:30,781 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 06:15:30,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:15:29" (1/3) ... [2024-11-20 06:15:30,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bba8569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:15:30, skipping insertion in model container [2024-11-20 06:15:30,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:15:30" (2/3) ... [2024-11-20 06:15:30,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bba8569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:15:30, skipping insertion in model container [2024-11-20 06:15:30,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:15:30" (3/3) ... [2024-11-20 06:15:30,784 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-61.i [2024-11-20 06:15:30,798 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 06:15:30,798 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 06:15:30,843 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 06:15:30,848 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;@76829f28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 06:15:30,849 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 06:15:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 78 states have (on average 1.4743589743589745) internal successors, (115), 79 states have internal predecessors, (115), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 06:15:30,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-20 06:15:30,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:30,864 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:30,865 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:30,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:30,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1895177401, now seen corresponding path program 1 times [2024-11-20 06:15:30,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:30,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345886166] [2024-11-20 06:15:30,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:30,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:15:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:15:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:15:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:15:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:15:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:15:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:15:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:15:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:15:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:15:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:15:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:15:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:15:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:15:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:15:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:15:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:15:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:15:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:15:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:15:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:15:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:15:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 06:15:31,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:31,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345886166] [2024-11-20 06:15:31,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345886166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:15:31,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:15:31,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 06:15:31,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408269463] [2024-11-20 06:15:31,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:15:31,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 06:15:31,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:31,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 06:15:31,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:15:31,342 INFO L87 Difference]: Start difference. First operand has 107 states, 78 states have (on average 1.4743589743589745) internal successors, (115), 79 states have internal predecessors, (115), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 06:15:31,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:31,375 INFO L93 Difference]: Finished difference Result 211 states and 357 transitions. [2024-11-20 06:15:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 06:15:31,377 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 175 [2024-11-20 06:15:31,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:31,388 INFO L225 Difference]: With dead ends: 211 [2024-11-20 06:15:31,388 INFO L226 Difference]: Without dead ends: 103 [2024-11-20 06:15:31,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 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 06:15:31,397 INFO L432 NwaCegarLoop]: 164 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, 164 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 06:15:31,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:15:31,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-20 06:15:31,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-20 06:15:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 75 states have (on average 1.44) internal successors, (108), 75 states have internal predecessors, (108), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 06:15:31,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 160 transitions. [2024-11-20 06:15:31,443 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 160 transitions. Word has length 175 [2024-11-20 06:15:31,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:31,444 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 160 transitions. [2024-11-20 06:15:31,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 06:15:31,445 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2024-11-20 06:15:31,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-20 06:15:31,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:31,448 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:31,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 06:15:31,448 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:31,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:31,449 INFO L85 PathProgramCache]: Analyzing trace with hash -852836495, now seen corresponding path program 1 times [2024-11-20 06:15:31,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:31,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167234085] [2024-11-20 06:15:31,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:31,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:15:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:15:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:15:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:15:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:15:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:15:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:15:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:15:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:15:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:15:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:15:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:15:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:15:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:15:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:15:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:15:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:15:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:15:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:15:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:15:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:15:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:15:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 06:15:35,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:35,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167234085] [2024-11-20 06:15:35,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167234085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:15:35,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:15:35,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 06:15:35,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572230195] [2024-11-20 06:15:35,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:15:35,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 06:15:35,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:35,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 06:15:35,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:15:35,973 INFO L87 Difference]: Start difference. First operand 103 states and 160 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:37,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:37,565 INFO L93 Difference]: Finished difference Result 470 states and 729 transitions. [2024-11-20 06:15:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 06:15:37,566 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 175 [2024-11-20 06:15:37,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:37,570 INFO L225 Difference]: With dead ends: 470 [2024-11-20 06:15:37,570 INFO L226 Difference]: Without dead ends: 370 [2024-11-20 06:15:37,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2024-11-20 06:15:37,574 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 589 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 06:15:37,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 688 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 06:15:37,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-20 06:15:37,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 169. [2024-11-20 06:15:37,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 114 states have (on average 1.4210526315789473) internal successors, (162), 114 states have internal predecessors, (162), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 06:15:37,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 266 transitions. [2024-11-20 06:15:37,610 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 266 transitions. Word has length 175 [2024-11-20 06:15:37,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:37,611 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 266 transitions. [2024-11-20 06:15:37,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:37,611 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 266 transitions. [2024-11-20 06:15:37,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-20 06:15:37,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:37,614 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:37,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 06:15:37,615 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:37,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:37,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1873904849, now seen corresponding path program 1 times [2024-11-20 06:15:37,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:37,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753139459] [2024-11-20 06:15:37,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:37,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:15:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:15:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:15:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:15:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:15:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:15:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:15:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:15:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:15:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:15:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:15:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:15:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:15:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:15:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:15:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:15:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:15:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:15:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:15:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:15:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:15:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:15:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:37,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 06:15:37,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:37,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753139459] [2024-11-20 06:15:37,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753139459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:15:37,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:15:37,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 06:15:37,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961370908] [2024-11-20 06:15:37,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:15:37,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 06:15:37,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:37,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 06:15:37,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:15:37,855 INFO L87 Difference]: Start difference. First operand 169 states and 266 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:37,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:37,913 INFO L93 Difference]: Finished difference Result 277 states and 429 transitions. [2024-11-20 06:15:37,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 06:15:37,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 175 [2024-11-20 06:15:37,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:37,915 INFO L225 Difference]: With dead ends: 277 [2024-11-20 06:15:37,915 INFO L226 Difference]: Without dead ends: 177 [2024-11-20 06:15:37,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 1 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 06:15:37,917 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 95 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:15:37,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 181 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:15:37,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-20 06:15:37,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-20 06:15:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 120 states have (on average 1.3833333333333333) internal successors, (166), 120 states have internal predecessors, (166), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 06:15:37,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 270 transitions. [2024-11-20 06:15:37,939 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 270 transitions. Word has length 175 [2024-11-20 06:15:37,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:37,941 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 270 transitions. [2024-11-20 06:15:37,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:37,941 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 270 transitions. [2024-11-20 06:15:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-20 06:15:37,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:37,946 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:37,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 06:15:37,946 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:37,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:37,946 INFO L85 PathProgramCache]: Analyzing trace with hash 342217516, now seen corresponding path program 1 times [2024-11-20 06:15:37,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:37,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118076788] [2024-11-20 06:15:37,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:37,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:15:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:15:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:15:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:15:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:15:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:15:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:15:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:15:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:15:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:15:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:15:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:15:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:15:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:15:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:15:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:15:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:15:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:15:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:15:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:15:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:15:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:15:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:39,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 06:15:39,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:39,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118076788] [2024-11-20 06:15:39,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118076788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:15:39,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:15:39,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 06:15:39,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908400752] [2024-11-20 06:15:39,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:15:39,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 06:15:39,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:39,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 06:15:39,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 06:15:39,822 INFO L87 Difference]: Start difference. First operand 177 states and 270 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:40,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:40,653 INFO L93 Difference]: Finished difference Result 425 states and 649 transitions. [2024-11-20 06:15:40,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 06:15:40,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-20 06:15:40,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:40,657 INFO L225 Difference]: With dead ends: 425 [2024-11-20 06:15:40,658 INFO L226 Difference]: Without dead ends: 321 [2024-11-20 06:15:40,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:15:40,661 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 322 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 06:15:40,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 521 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 06:15:40,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-20 06:15:40,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 191. [2024-11-20 06:15:40,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 134 states have (on average 1.4104477611940298) internal successors, (189), 134 states have internal predecessors, (189), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 06:15:40,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 293 transitions. [2024-11-20 06:15:40,683 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 293 transitions. Word has length 176 [2024-11-20 06:15:40,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:40,684 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 293 transitions. [2024-11-20 06:15:40,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:40,684 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 293 transitions. [2024-11-20 06:15:40,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-20 06:15:40,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:40,686 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:40,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 06:15:40,686 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:40,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:40,686 INFO L85 PathProgramCache]: Analyzing trace with hash -244588498, now seen corresponding path program 1 times [2024-11-20 06:15:40,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:40,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271675393] [2024-11-20 06:15:40,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:40,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:15:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:15:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:15:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:15:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:15:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:15:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:15:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:15:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:15:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:15:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:15:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:15:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:15:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:15:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:15:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:15:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:15:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:15:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:15:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:15:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:15:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:15:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 06:15:41,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:41,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271675393] [2024-11-20 06:15:41,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271675393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:15:41,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:15:41,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 06:15:41,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723346622] [2024-11-20 06:15:41,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:15:41,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 06:15:41,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:41,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 06:15:41,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:15:41,941 INFO L87 Difference]: Start difference. First operand 191 states and 293 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:43,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:43,081 INFO L93 Difference]: Finished difference Result 480 states and 725 transitions. [2024-11-20 06:15:43,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-20 06:15:43,082 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-20 06:15:43,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:43,085 INFO L225 Difference]: With dead ends: 480 [2024-11-20 06:15:43,085 INFO L226 Difference]: Without dead ends: 376 [2024-11-20 06:15:43,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2024-11-20 06:15:43,089 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 639 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 06:15:43,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 763 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 06:15:43,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-20 06:15:43,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 221. [2024-11-20 06:15:43,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.451219512195122) internal successors, (238), 164 states have internal predecessors, (238), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 06:15:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 342 transitions. [2024-11-20 06:15:43,102 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 342 transitions. Word has length 176 [2024-11-20 06:15:43,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:43,103 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 342 transitions. [2024-11-20 06:15:43,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:43,103 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 342 transitions. [2024-11-20 06:15:43,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-20 06:15:43,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:43,105 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:43,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 06:15:43,105 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:43,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:43,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1762387447, now seen corresponding path program 1 times [2024-11-20 06:15:43,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:43,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635791995] [2024-11-20 06:15:43,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:43,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:15:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:15:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:15:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:15:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:15:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:15:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:15:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:15:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:15:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:15:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:15:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:15:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:15:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:15:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:15:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:15:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:15:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:15:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:15:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:15:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:15:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:15:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 06:15:43,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:43,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635791995] [2024-11-20 06:15:43,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635791995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:15:43,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:15:43,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 06:15:43,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750924615] [2024-11-20 06:15:43,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:15:43,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 06:15:43,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:43,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 06:15:43,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-20 06:15:43,371 INFO L87 Difference]: Start difference. First operand 221 states and 342 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:43,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:43,526 INFO L93 Difference]: Finished difference Result 355 states and 550 transitions. [2024-11-20 06:15:43,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 06:15:43,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2024-11-20 06:15:43,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:43,528 INFO L225 Difference]: With dead ends: 355 [2024-11-20 06:15:43,528 INFO L226 Difference]: Without dead ends: 217 [2024-11-20 06:15:43,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-20 06:15:43,529 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 133 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 06:15:43,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 396 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 06:15:43,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-20 06:15:43,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2024-11-20 06:15:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 160 states have (on average 1.43125) internal successors, (229), 160 states have internal predecessors, (229), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 06:15:43,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 333 transitions. [2024-11-20 06:15:43,553 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 333 transitions. Word has length 178 [2024-11-20 06:15:43,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:43,554 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 333 transitions. [2024-11-20 06:15:43,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:43,554 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 333 transitions. [2024-11-20 06:15:43,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-20 06:15:43,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:43,556 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:43,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 06:15:43,556 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:43,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:43,557 INFO L85 PathProgramCache]: Analyzing trace with hash 192520944, now seen corresponding path program 1 times [2024-11-20 06:15:43,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:43,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295854504] [2024-11-20 06:15:43,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:43,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:15:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:15:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:15:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:15:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:15:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:15:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:15:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:15:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:15:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:15:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:15:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:15:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:15:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:15:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:15:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:15:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:15:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:15:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:15:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:15:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:15:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:15:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-20 06:15:43,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:43,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295854504] [2024-11-20 06:15:43,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295854504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 06:15:43,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438656070] [2024-11-20 06:15:43,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:43,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:15:43,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:15:43,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 06:15:43,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 06:15:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:43,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 06:15:44,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 06:15:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 06:15:44,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 06:15:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-20 06:15:44,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438656070] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 06:15:44,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 06:15:44,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-20 06:15:44,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782520712] [2024-11-20 06:15:44,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 06:15:44,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 06:15:44,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:44,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 06:15:44,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 06:15:44,505 INFO L87 Difference]: Start difference. First operand 217 states and 333 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 2 states have call predecessors, (77), 3 states have call successors, (77) [2024-11-20 06:15:44,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:44,667 INFO L93 Difference]: Finished difference Result 345 states and 515 transitions. [2024-11-20 06:15:44,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 06:15:44,668 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 2 states have call predecessors, (77), 3 states have call successors, (77) Word has length 180 [2024-11-20 06:15:44,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:44,670 INFO L225 Difference]: With dead ends: 345 [2024-11-20 06:15:44,670 INFO L226 Difference]: Without dead ends: 222 [2024-11-20 06:15:44,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:15:44,671 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 135 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 06:15:44,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 285 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 06:15:44,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-20 06:15:44,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 214. [2024-11-20 06:15:44,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 155 states have (on average 1.3806451612903226) internal successors, (214), 155 states have internal predecessors, (214), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 06:15:44,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 318 transitions. [2024-11-20 06:15:44,683 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 318 transitions. Word has length 180 [2024-11-20 06:15:44,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:44,684 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 318 transitions. [2024-11-20 06:15:44,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 3 states have call successors, (76), 2 states have call predecessors, (76), 4 states have return successors, (77), 2 states have call predecessors, (77), 3 states have call successors, (77) [2024-11-20 06:15:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 318 transitions. [2024-11-20 06:15:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-20 06:15:44,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:44,685 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:44,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-20 06:15:44,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 06:15:44,890 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:44,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:44,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1208730944, now seen corresponding path program 1 times [2024-11-20 06:15:44,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:44,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844947862] [2024-11-20 06:15:44,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:44,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:15:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:15:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:15:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:15:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:15:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:15:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:15:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:15:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:15:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:15:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:15:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:15:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:15:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:15:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:15:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:15:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:15:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:15:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:15:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:15:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:15:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:15:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 06:15:45,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:45,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844947862] [2024-11-20 06:15:45,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844947862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:15:45,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:15:45,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 06:15:45,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873870873] [2024-11-20 06:15:45,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:15:45,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 06:15:45,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:45,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 06:15:45,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 06:15:45,136 INFO L87 Difference]: Start difference. First operand 214 states and 318 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:45,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:45,300 INFO L93 Difference]: Finished difference Result 492 states and 719 transitions. [2024-11-20 06:15:45,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 06:15:45,301 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 180 [2024-11-20 06:15:45,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:45,302 INFO L225 Difference]: With dead ends: 492 [2024-11-20 06:15:45,302 INFO L226 Difference]: Without dead ends: 330 [2024-11-20 06:15:45,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 06:15:45,303 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 172 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 06:15:45,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 710 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 06:15:45,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-20 06:15:45,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 262. [2024-11-20 06:15:45,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 203 states have (on average 1.4039408866995073) internal successors, (285), 203 states have internal predecessors, (285), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 06:15:45,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 389 transitions. [2024-11-20 06:15:45,323 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 389 transitions. Word has length 180 [2024-11-20 06:15:45,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:45,324 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 389 transitions. [2024-11-20 06:15:45,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:45,324 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 389 transitions. [2024-11-20 06:15:45,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-20 06:15:45,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:45,326 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:45,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 06:15:45,326 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:45,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:45,326 INFO L85 PathProgramCache]: Analyzing trace with hash -896951336, now seen corresponding path program 1 times [2024-11-20 06:15:45,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:45,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751194543] [2024-11-20 06:15:45,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:45,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:15:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:15:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:15:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:15:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:15:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:15:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:15:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:15:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:15:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:15:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:15:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:15:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:15:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:15:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:15:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:15:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:15:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:15:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:15:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:15:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:15:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:15:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 06:15:45,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:45,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751194543] [2024-11-20 06:15:45,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751194543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:15:45,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:15:45,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 06:15:45,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914504722] [2024-11-20 06:15:45,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:15:45,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 06:15:45,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:45,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 06:15:45,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 06:15:45,435 INFO L87 Difference]: Start difference. First operand 262 states and 389 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:45,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:45,488 INFO L93 Difference]: Finished difference Result 465 states and 687 transitions. [2024-11-20 06:15:45,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 06:15:45,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 180 [2024-11-20 06:15:45,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:45,490 INFO L225 Difference]: With dead ends: 465 [2024-11-20 06:15:45,491 INFO L226 Difference]: Without dead ends: 332 [2024-11-20 06:15:45,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 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 06:15:45,492 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 48 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 06:15:45,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 292 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:15:45,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-20 06:15:45,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 310. [2024-11-20 06:15:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 251 states have (on average 1.4342629482071714) internal successors, (360), 251 states have internal predecessors, (360), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 06:15:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 464 transitions. [2024-11-20 06:15:45,508 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 464 transitions. Word has length 180 [2024-11-20 06:15:45,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:45,509 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 464 transitions. [2024-11-20 06:15:45,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:45,509 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 464 transitions. [2024-11-20 06:15:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-20 06:15:45,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:45,511 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:45,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 06:15:45,511 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:45,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:45,512 INFO L85 PathProgramCache]: Analyzing trace with hash -357697633, now seen corresponding path program 1 times [2024-11-20 06:15:45,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:45,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27244218] [2024-11-20 06:15:45,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:45,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:15:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:15:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:15:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:15:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:15:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:15:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:15:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:15:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:15:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:15:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:15:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:15:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:15:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:15:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:15:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:15:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:15:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:15:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:15:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:15:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:15:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:15:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 06:15:45,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:45,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27244218] [2024-11-20 06:15:45,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27244218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:15:45,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:15:45,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 06:15:45,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675941444] [2024-11-20 06:15:45,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:15:45,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 06:15:45,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:45,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 06:15:45,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 06:15:45,735 INFO L87 Difference]: Start difference. First operand 310 states and 464 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:45,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:45,880 INFO L93 Difference]: Finished difference Result 666 states and 1000 transitions. [2024-11-20 06:15:45,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 06:15:45,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 180 [2024-11-20 06:15:45,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:45,883 INFO L225 Difference]: With dead ends: 666 [2024-11-20 06:15:45,883 INFO L226 Difference]: Without dead ends: 436 [2024-11-20 06:15:45,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-20 06:15:45,884 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 257 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 06:15:45,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 515 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 06:15:45,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-20 06:15:45,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 310. [2024-11-20 06:15:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 251 states have (on average 1.4302788844621515) internal successors, (359), 251 states have internal predecessors, (359), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 06:15:45,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 463 transitions. [2024-11-20 06:15:45,899 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 463 transitions. Word has length 180 [2024-11-20 06:15:45,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:45,899 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 463 transitions. [2024-11-20 06:15:45,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 06:15:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 463 transitions. [2024-11-20 06:15:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-20 06:15:45,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:45,900 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:45,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 06:15:45,901 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:45,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:45,901 INFO L85 PathProgramCache]: Analyzing trace with hash -867170723, now seen corresponding path program 1 times [2024-11-20 06:15:45,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:45,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277065992] [2024-11-20 06:15:45,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:45,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:15:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:15:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:15:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:15:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:15:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:15:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:15:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:15:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:15:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:15:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:15:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:15:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 06:15:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:15:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:15:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:15:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:15:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:15:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:15:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:15:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 06:15:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 06:15:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 06:15:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 06:15:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 06:15:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 06:15:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:15:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 06:15:46,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:15:46,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277065992] [2024-11-20 06:15:46,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277065992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:15:46,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:15:46,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 06:15:46,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109005493] [2024-11-20 06:15:46,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:15:46,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 06:15:46,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:15:46,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 06:15:46,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-20 06:15:46,621 INFO L87 Difference]: Start difference. First operand 310 states and 463 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 06:15:47,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:15:47,692 INFO L93 Difference]: Finished difference Result 621 states and 904 transitions. [2024-11-20 06:15:47,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 06:15:47,693 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 180 [2024-11-20 06:15:47,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:15:47,695 INFO L225 Difference]: With dead ends: 621 [2024-11-20 06:15:47,695 INFO L226 Difference]: Without dead ends: 430 [2024-11-20 06:15:47,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-20 06:15:47,696 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 336 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 1073 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 06:15:47,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 1073 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 06:15:47,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-20 06:15:47,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 310. [2024-11-20 06:15:47,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 251 states have (on average 1.4262948207171315) internal successors, (358), 251 states have internal predecessors, (358), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 06:15:47,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 462 transitions. [2024-11-20 06:15:47,713 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 462 transitions. Word has length 180 [2024-11-20 06:15:47,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:15:47,713 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 462 transitions. [2024-11-20 06:15:47,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 06:15:47,714 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 462 transitions. [2024-11-20 06:15:47,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-20 06:15:47,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:15:47,715 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:15:47,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 06:15:47,715 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:15:47,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:15:47,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1203464344, now seen corresponding path program 1 times [2024-11-20 06:15:47,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:15:47,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993804058] [2024-11-20 06:15:47,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:15:47,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:15:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat