./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_variablewrapping_wrapper-sp_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db4292ffbdd6738d463d7123be4385279117f56fc7d42e6eafbd16b6955555da --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 09:09:32,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:09:32,416 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 09:09:32,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:09:32,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:09:32,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:09:32,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:09:32,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:09:32,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:09:32,460 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:09:32,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:09:32,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:09:32,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:09:32,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:09:32,464 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:09:32,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:09:32,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:09:32,465 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 09:09:32,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:09:32,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 09:09:32,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:09:32,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:09:32,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:09:32,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:09:32,467 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:09:32,468 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 09:09:32,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:09:32,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:09:32,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:09:32,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:09:32,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:09:32,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:09:32,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:09:32,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:09:32,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:09:32,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:09:32,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:09:32,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:09:32,474 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:09:32,476 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:09:32,476 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:09:32,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:09:32,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db4292ffbdd6738d463d7123be4385279117f56fc7d42e6eafbd16b6955555da [2024-11-20 09:09:32,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:09:32,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:09:32,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:09:32,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:09:32,745 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:09:32,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.i [2024-11-20 09:09:34,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:09:34,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:09:34,456 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-6.i [2024-11-20 09:09:34,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4dcfe60/b11fc697cb794978b08d9ea67e87cd70/FLAG68c31bfee [2024-11-20 09:09:34,488 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef4dcfe60/b11fc697cb794978b08d9ea67e87cd70 [2024-11-20 09:09:34,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:09:34,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:09:34,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:09:34,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:09:34,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:09:34,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:34,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306d06a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34, skipping insertion in model container [2024-11-20 09:09:34,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:34,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:09:34,694 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_variablewrapping_wrapper-sp_file-6.i[916,929] [2024-11-20 09:09:34,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:09:34,808 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:09:34,818 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_variablewrapping_wrapper-sp_file-6.i[916,929] [2024-11-20 09:09:34,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:09:34,884 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:09:34,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34 WrapperNode [2024-11-20 09:09:34,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:09:34,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:09:34,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:09:34,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:09:34,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:34,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:34,944 INFO L138 Inliner]: procedures = 30, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 527 [2024-11-20 09:09:34,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:09:34,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:09:34,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:09:34,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:09:34,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:34,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:34,965 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:34,973 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-20 09:09:34,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:34,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:34,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:34,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:35,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:35,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:35,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:09:35,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:09:35,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:09:35,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:09:35,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (1/1) ... [2024-11-20 09:09:35,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:09:35,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:09:35,075 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 09:09:35,079 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 09:09:35,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:09:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-20 09:09:35,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-20 09:09:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 09:09:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-20 09:09:35,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-20 09:09:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 09:09:35,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:09:35,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:09:35,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 09:09:35,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:09:35,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:09:35,270 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:09:35,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:09:35,895 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-20 09:09:35,895 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:09:35,920 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:09:35,920 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 09:09:35,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:09:35 BoogieIcfgContainer [2024-11-20 09:09:35,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:09:35,925 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:09:35,925 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:09:35,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:09:35,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:09:34" (1/3) ... [2024-11-20 09:09:35,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45092d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:09:35, skipping insertion in model container [2024-11-20 09:09:35,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:34" (2/3) ... [2024-11-20 09:09:35,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45092d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:09:35, skipping insertion in model container [2024-11-20 09:09:35,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:09:35" (3/3) ... [2024-11-20 09:09:35,933 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-6.i [2024-11-20 09:09:35,948 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:09:35,949 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:09:36,018 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:09:36,024 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;@709f9419, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:09:36,024 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:09:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 09:09:36,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-20 09:09:36,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:36,045 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:36,046 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:36,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:36,051 INFO L85 PathProgramCache]: Analyzing trace with hash -748983887, now seen corresponding path program 1 times [2024-11-20 09:09:36,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:36,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323453252] [2024-11-20 09:09:36,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:36,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:09:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:09:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:36,711 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:09:36,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:36,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323453252] [2024-11-20 09:09:36,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323453252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:36,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:36,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 09:09:36,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884424851] [2024-11-20 09:09:36,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:36,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 09:09:36,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:36,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 09:09:36,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 09:09:36,756 INFO L87 Difference]: Start difference. First operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 09:09:36,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:36,791 INFO L93 Difference]: Finished difference Result 237 states and 371 transitions. [2024-11-20 09:09:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 09:09:36,794 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-11-20 09:09:36,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:36,800 INFO L225 Difference]: With dead ends: 237 [2024-11-20 09:09:36,800 INFO L226 Difference]: Without dead ends: 118 [2024-11-20 09:09:36,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 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 09:09:36,809 INFO L432 NwaCegarLoop]: 172 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, 172 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 09:09:36,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 09:09:36,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-20 09:09:36,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-20 09:09:36,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 97 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 09:09:36,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-11-20 09:09:36,858 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 158 [2024-11-20 09:09:36,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:36,859 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-11-20 09:09:36,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 09:09:36,859 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-11-20 09:09:36,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-20 09:09:36,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:36,863 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:36,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 09:09:36,864 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:36,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:36,864 INFO L85 PathProgramCache]: Analyzing trace with hash -249601713, now seen corresponding path program 1 times [2024-11-20 09:09:36,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:36,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619567796] [2024-11-20 09:09:36,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:36,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:09:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:09:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:09:37,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:37,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619567796] [2024-11-20 09:09:37,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619567796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:37,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:37,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 09:09:37,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799847892] [2024-11-20 09:09:37,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:37,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 09:09:37,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:37,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 09:09:37,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 09:09:37,374 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:09:37,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:37,421 INFO L93 Difference]: Finished difference Result 233 states and 341 transitions. [2024-11-20 09:09:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 09:09:37,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-11-20 09:09:37,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:37,424 INFO L225 Difference]: With dead ends: 233 [2024-11-20 09:09:37,427 INFO L226 Difference]: Without dead ends: 118 [2024-11-20 09:09:37,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 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 09:09:37,429 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:37,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 09:09:37,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-20 09:09:37,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-20 09:09:37,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 09:09:37,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2024-11-20 09:09:37,449 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 158 [2024-11-20 09:09:37,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:37,455 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2024-11-20 09:09:37,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:09:37,456 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2024-11-20 09:09:37,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-20 09:09:37,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:37,460 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:37,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 09:09:37,461 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:37,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:37,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1938545455, now seen corresponding path program 1 times [2024-11-20 09:09:37,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:37,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215189639] [2024-11-20 09:09:37,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:37,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:09:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:09:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:09:37,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:37,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215189639] [2024-11-20 09:09:37,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215189639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:37,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:37,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 09:09:37,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299389987] [2024-11-20 09:09:37,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:37,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 09:09:37,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:37,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 09:09:37,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 09:09:37,904 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:09:37,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:37,952 INFO L93 Difference]: Finished difference Result 235 states and 342 transitions. [2024-11-20 09:09:37,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 09:09:37,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-11-20 09:09:37,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:37,955 INFO L225 Difference]: With dead ends: 235 [2024-11-20 09:09:37,955 INFO L226 Difference]: Without dead ends: 120 [2024-11-20 09:09:37,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 09:09:37,960 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:37,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 496 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 09:09:37,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-20 09:09:37,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-20 09:09:37,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 09:09:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2024-11-20 09:09:37,978 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 158 [2024-11-20 09:09:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:37,979 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2024-11-20 09:09:37,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:09:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2024-11-20 09:09:37,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-20 09:09:37,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:37,983 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:37,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 09:09:37,983 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:37,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:37,984 INFO L85 PathProgramCache]: Analyzing trace with hash 208446316, now seen corresponding path program 1 times [2024-11-20 09:09:37,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:37,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848455080] [2024-11-20 09:09:37,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:37,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:09:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:09:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:09:38,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:38,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848455080] [2024-11-20 09:09:38,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848455080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:38,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:38,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 09:09:38,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058566133] [2024-11-20 09:09:38,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:38,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 09:09:38,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:38,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 09:09:38,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 09:09:38,421 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:09:38,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:38,623 INFO L93 Difference]: Finished difference Result 237 states and 343 transitions. [2024-11-20 09:09:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 09:09:38,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2024-11-20 09:09:38,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:38,628 INFO L225 Difference]: With dead ends: 237 [2024-11-20 09:09:38,628 INFO L226 Difference]: Without dead ends: 120 [2024-11-20 09:09:38,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 09:09:38,629 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:38,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 444 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 09:09:38,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-20 09:09:38,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-20 09:09:38,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 09:09:38,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2024-11-20 09:09:38,642 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 160 [2024-11-20 09:09:38,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:38,642 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2024-11-20 09:09:38,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:09:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-11-20 09:09:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-20 09:09:38,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:38,647 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:38,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 09:09:38,648 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:38,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:38,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1379901586, now seen corresponding path program 1 times [2024-11-20 09:09:38,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:38,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628722595] [2024-11-20 09:09:38,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:38,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:09:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:09:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,331 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:09:42,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:42,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628722595] [2024-11-20 09:09:42,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628722595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:42,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:42,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 09:09:42,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360652477] [2024-11-20 09:09:42,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:42,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 09:09:42,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:42,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 09:09:42,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-20 09:09:42,335 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:09:44,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:44,300 INFO L93 Difference]: Finished difference Result 449 states and 640 transitions. [2024-11-20 09:09:44,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 09:09:44,301 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 160 [2024-11-20 09:09:44,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:44,304 INFO L225 Difference]: With dead ends: 449 [2024-11-20 09:09:44,304 INFO L226 Difference]: Without dead ends: 332 [2024-11-20 09:09:44,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2024-11-20 09:09:44,308 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 444 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:44,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 1043 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 09:09:44,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-20 09:09:44,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 244. [2024-11-20 09:09:44,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 203 states have (on average 1.3497536945812807) internal successors, (274), 203 states have internal predecessors, (274), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 09:09:44,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 350 transitions. [2024-11-20 09:09:44,348 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 350 transitions. Word has length 160 [2024-11-20 09:09:44,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:44,349 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 350 transitions. [2024-11-20 09:09:44,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:09:44,349 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 350 transitions. [2024-11-20 09:09:44,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-20 09:09:44,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:44,351 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:44,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 09:09:44,351 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:44,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:44,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1903948460, now seen corresponding path program 1 times [2024-11-20 09:09:44,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:44,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720791700] [2024-11-20 09:09:44,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:44,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:47,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:47,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:47,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:47,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:47,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:47,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:47,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:47,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:09:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:47,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:47,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:09:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:47,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:47,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:48,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:48,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:48,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:48,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:48,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:48,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:48,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:09:48,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:48,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720791700] [2024-11-20 09:09:48,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720791700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:48,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:48,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 09:09:48,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007203017] [2024-11-20 09:09:48,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:48,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 09:09:48,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:48,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 09:09:48,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-20 09:09:48,055 INFO L87 Difference]: Start difference. First operand 244 states and 350 transitions. Second operand has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:09:51,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:51,600 INFO L93 Difference]: Finished difference Result 595 states and 856 transitions. [2024-11-20 09:09:51,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 09:09:51,600 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 160 [2024-11-20 09:09:51,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:51,603 INFO L225 Difference]: With dead ends: 595 [2024-11-20 09:09:51,603 INFO L226 Difference]: Without dead ends: 354 [2024-11-20 09:09:51,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2024-11-20 09:09:51,605 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 319 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:51,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 771 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-20 09:09:51,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-20 09:09:51,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 226. [2024-11-20 09:09:51,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 185 states have (on average 1.345945945945946) internal successors, (249), 185 states have internal predecessors, (249), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 09:09:51,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 325 transitions. [2024-11-20 09:09:51,625 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 325 transitions. Word has length 160 [2024-11-20 09:09:51,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:51,626 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 325 transitions. [2024-11-20 09:09:51,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.230769230769231) internal successors, (68), 13 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:09:51,627 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 325 transitions. [2024-11-20 09:09:51,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-20 09:09:51,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:51,630 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:51,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 09:09:51,630 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:51,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:51,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1264983739, now seen corresponding path program 1 times [2024-11-20 09:09:51,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:51,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082619902] [2024-11-20 09:09:51,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:51,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:09:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:09:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:09:53,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:53,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082619902] [2024-11-20 09:09:53,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082619902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:53,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:53,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 09:09:53,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412877086] [2024-11-20 09:09:53,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:53,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 09:09:53,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:53,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 09:09:53,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-20 09:09:53,922 INFO L87 Difference]: Start difference. First operand 226 states and 325 transitions. Second operand has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 13 states have internal predecessors, (68), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 09:09:55,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:55,608 INFO L93 Difference]: Finished difference Result 550 states and 785 transitions. [2024-11-20 09:09:55,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 09:09:55,608 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 13 states have internal predecessors, (68), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 160 [2024-11-20 09:09:55,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:55,611 INFO L225 Difference]: With dead ends: 550 [2024-11-20 09:09:55,611 INFO L226 Difference]: Without dead ends: 327 [2024-11-20 09:09:55,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-11-20 09:09:55,613 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 422 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:55,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 749 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 09:09:55,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-20 09:09:55,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 268. [2024-11-20 09:09:55,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 227 states have (on average 1.3392070484581498) internal successors, (304), 227 states have internal predecessors, (304), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 09:09:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 380 transitions. [2024-11-20 09:09:55,648 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 380 transitions. Word has length 160 [2024-11-20 09:09:55,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:55,649 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 380 transitions. [2024-11-20 09:09:55,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 13 states have internal predecessors, (68), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 09:09:55,649 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 380 transitions. [2024-11-20 09:09:55,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-20 09:09:55,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:55,651 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:55,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 09:09:55,652 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:55,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:55,652 INFO L85 PathProgramCache]: Analyzing trace with hash -2020807641, now seen corresponding path program 1 times [2024-11-20 09:09:55,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:55,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983859244] [2024-11-20 09:09:55,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:55,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:09:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:09:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:58,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:58,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:58,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:58,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:58,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:58,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:58,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:58,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:58,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:09:58,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:58,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983859244] [2024-11-20 09:09:58,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983859244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:58,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:58,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 09:09:58,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473439135] [2024-11-20 09:09:58,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:58,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 09:09:58,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:58,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 09:09:58,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-20 09:09:58,070 INFO L87 Difference]: Start difference. First operand 268 states and 380 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:09:59,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:59,374 INFO L93 Difference]: Finished difference Result 597 states and 843 transitions. [2024-11-20 09:09:59,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 09:09:59,375 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 161 [2024-11-20 09:09:59,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:59,379 INFO L225 Difference]: With dead ends: 597 [2024-11-20 09:09:59,381 INFO L226 Difference]: Without dead ends: 457 [2024-11-20 09:09:59,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=301, Unknown=0, NotChecked=0, Total=420 [2024-11-20 09:09:59,383 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 290 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:59,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 1019 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 09:09:59,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-20 09:09:59,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 393. [2024-11-20 09:09:59,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 332 states have (on average 1.3433734939759037) internal successors, (446), 332 states have internal predecessors, (446), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-20 09:09:59,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 560 transitions. [2024-11-20 09:09:59,429 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 560 transitions. Word has length 161 [2024-11-20 09:09:59,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:59,430 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 560 transitions. [2024-11-20 09:09:59,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:09:59,431 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 560 transitions. [2024-11-20 09:09:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-20 09:09:59,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:59,433 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:59,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 09:09:59,433 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:59,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:59,434 INFO L85 PathProgramCache]: Analyzing trace with hash 585215913, now seen corresponding path program 1 times [2024-11-20 09:09:59,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:59,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002819930] [2024-11-20 09:09:59,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:59,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:02,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:02,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002819930] [2024-11-20 09:10:02,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002819930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:02,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:02,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 09:10:02,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200281623] [2024-11-20 09:10:02,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:02,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 09:10:02,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:02,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 09:10:02,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-20 09:10:02,452 INFO L87 Difference]: Start difference. First operand 393 states and 560 transitions. Second operand has 15 states, 15 states have (on average 4.6) internal successors, (69), 15 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:04,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:04,577 INFO L93 Difference]: Finished difference Result 712 states and 995 transitions. [2024-11-20 09:10:04,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 09:10:04,578 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.6) internal successors, (69), 15 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 161 [2024-11-20 09:10:04,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:04,585 INFO L225 Difference]: With dead ends: 712 [2024-11-20 09:10:04,585 INFO L226 Difference]: Without dead ends: 572 [2024-11-20 09:10:04,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2024-11-20 09:10:04,587 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 443 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:04,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 1092 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1339 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 09:10:04,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-20 09:10:04,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 398. [2024-11-20 09:10:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 337 states have (on average 1.3412462908011868) internal successors, (452), 337 states have internal predecessors, (452), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-20 09:10:04,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 566 transitions. [2024-11-20 09:10:04,643 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 566 transitions. Word has length 161 [2024-11-20 09:10:04,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:04,644 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 566 transitions. [2024-11-20 09:10:04,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.6) internal successors, (69), 15 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:04,644 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 566 transitions. [2024-11-20 09:10:04,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-20 09:10:04,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:04,647 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:04,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 09:10:04,648 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:04,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:04,648 INFO L85 PathProgramCache]: Analyzing trace with hash -425901337, now seen corresponding path program 1 times [2024-11-20 09:10:04,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:04,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018688442] [2024-11-20 09:10:04,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:04,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:05,153 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:05,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:05,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018688442] [2024-11-20 09:10:05,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018688442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:05,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:05,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 09:10:05,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850914738] [2024-11-20 09:10:05,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:05,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 09:10:05,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:05,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 09:10:05,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 09:10:05,156 INFO L87 Difference]: Start difference. First operand 398 states and 566 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:10:05,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:05,400 INFO L93 Difference]: Finished difference Result 579 states and 821 transitions. [2024-11-20 09:10:05,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 09:10:05,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 161 [2024-11-20 09:10:05,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:05,404 INFO L225 Difference]: With dead ends: 579 [2024-11-20 09:10:05,405 INFO L226 Difference]: Without dead ends: 439 [2024-11-20 09:10:05,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 09:10:05,406 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 47 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:05,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 773 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 09:10:05,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-20 09:10:05,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 404. [2024-11-20 09:10:05,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 343 states have (on average 1.3411078717201166) internal successors, (460), 343 states have internal predecessors, (460), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-20 09:10:05,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 574 transitions. [2024-11-20 09:10:05,448 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 574 transitions. Word has length 161 [2024-11-20 09:10:05,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:05,449 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 574 transitions. [2024-11-20 09:10:05,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:10:05,449 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 574 transitions. [2024-11-20 09:10:05,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-20 09:10:05,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:05,451 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:05,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 09:10:05,452 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:05,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:05,452 INFO L85 PathProgramCache]: Analyzing trace with hash 700133760, now seen corresponding path program 1 times [2024-11-20 09:10:05,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:05,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675330531] [2024-11-20 09:10:05,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:05,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:07,410 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:07,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:07,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675330531] [2024-11-20 09:10:07,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675330531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:07,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:07,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 09:10:07,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017877882] [2024-11-20 09:10:07,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:07,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 09:10:07,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:07,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 09:10:07,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-20 09:10:07,413 INFO L87 Difference]: Start difference. First operand 404 states and 574 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:08,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:08,392 INFO L93 Difference]: Finished difference Result 633 states and 895 transitions. [2024-11-20 09:10:08,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 09:10:08,393 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 161 [2024-11-20 09:10:08,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:08,396 INFO L225 Difference]: With dead ends: 633 [2024-11-20 09:10:08,399 INFO L226 Difference]: Without dead ends: 487 [2024-11-20 09:10:08,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-20 09:10:08,401 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 248 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:08,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 563 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 09:10:08,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-20 09:10:08,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 417. [2024-11-20 09:10:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 356 states have (on average 1.3398876404494382) internal successors, (477), 356 states have internal predecessors, (477), 57 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-20 09:10:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 591 transitions. [2024-11-20 09:10:08,445 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 591 transitions. Word has length 161 [2024-11-20 09:10:08,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:08,446 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 591 transitions. [2024-11-20 09:10:08,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 591 transitions. [2024-11-20 09:10:08,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-20 09:10:08,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:08,448 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:08,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 09:10:08,448 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:08,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:08,448 INFO L85 PathProgramCache]: Analyzing trace with hash 2140146149, now seen corresponding path program 1 times [2024-11-20 09:10:08,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:08,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725973550] [2024-11-20 09:10:08,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:08,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:10,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:10,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725973550] [2024-11-20 09:10:10,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725973550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:10,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:10,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 09:10:10,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800824275] [2024-11-20 09:10:10,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:10,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 09:10:10,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:10,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 09:10:10,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-20 09:10:10,469 INFO L87 Difference]: Start difference. First operand 417 states and 591 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:11,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:11,934 INFO L93 Difference]: Finished difference Result 759 states and 1072 transitions. [2024-11-20 09:10:11,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 09:10:11,935 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 161 [2024-11-20 09:10:11,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:11,938 INFO L225 Difference]: With dead ends: 759 [2024-11-20 09:10:11,939 INFO L226 Difference]: Without dead ends: 606 [2024-11-20 09:10:11,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2024-11-20 09:10:11,941 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 236 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:11,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 959 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 09:10:11,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-11-20 09:10:11,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 509. [2024-11-20 09:10:11,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 428 states have (on average 1.341121495327103) internal successors, (574), 428 states have internal predecessors, (574), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 09:10:11,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 726 transitions. [2024-11-20 09:10:11,993 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 726 transitions. Word has length 161 [2024-11-20 09:10:11,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:11,994 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 726 transitions. [2024-11-20 09:10:11,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:11,994 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 726 transitions. [2024-11-20 09:10:11,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-20 09:10:11,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:11,995 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:11,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 09:10:11,996 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:11,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:11,996 INFO L85 PathProgramCache]: Analyzing trace with hash 451202407, now seen corresponding path program 1 times [2024-11-20 09:10:11,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:11,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960807906] [2024-11-20 09:10:11,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:11,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,617 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:14,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:14,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960807906] [2024-11-20 09:10:14,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960807906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:14,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:14,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-20 09:10:14,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572103065] [2024-11-20 09:10:14,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:14,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 09:10:14,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:14,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 09:10:14,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-11-20 09:10:14,621 INFO L87 Difference]: Start difference. First operand 509 states and 726 transitions. Second operand has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 17 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:16,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:16,779 INFO L93 Difference]: Finished difference Result 817 states and 1146 transitions. [2024-11-20 09:10:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 09:10:16,780 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 17 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 161 [2024-11-20 09:10:16,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:16,784 INFO L225 Difference]: With dead ends: 817 [2024-11-20 09:10:16,784 INFO L226 Difference]: Without dead ends: 664 [2024-11-20 09:10:16,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=172, Invalid=640, Unknown=0, NotChecked=0, Total=812 [2024-11-20 09:10:16,785 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 383 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:16,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1015 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 09:10:16,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-11-20 09:10:16,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 499. [2024-11-20 09:10:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 418 states have (on average 1.3444976076555024) internal successors, (562), 418 states have internal predecessors, (562), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 09:10:16,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 714 transitions. [2024-11-20 09:10:16,839 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 714 transitions. Word has length 161 [2024-11-20 09:10:16,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:16,839 INFO L471 AbstractCegarLoop]: Abstraction has 499 states and 714 transitions. [2024-11-20 09:10:16,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 17 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:16,840 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 714 transitions. [2024-11-20 09:10:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-20 09:10:16,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:16,841 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:16,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 09:10:16,841 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:16,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:16,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1422802598, now seen corresponding path program 1 times [2024-11-20 09:10:16,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:16,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379229277] [2024-11-20 09:10:16,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:16,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:19,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:19,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379229277] [2024-11-20 09:10:19,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379229277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:19,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:19,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 09:10:19,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638171915] [2024-11-20 09:10:19,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:19,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 09:10:19,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:19,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 09:10:19,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-20 09:10:19,280 INFO L87 Difference]: Start difference. First operand 499 states and 714 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:20,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:20,908 INFO L93 Difference]: Finished difference Result 1106 states and 1558 transitions. [2024-11-20 09:10:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 09:10:20,909 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 161 [2024-11-20 09:10:20,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:20,913 INFO L225 Difference]: With dead ends: 1106 [2024-11-20 09:10:20,913 INFO L226 Difference]: Without dead ends: 692 [2024-11-20 09:10:20,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-20 09:10:20,914 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 309 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:20,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 833 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 09:10:20,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2024-11-20 09:10:20,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 521. [2024-11-20 09:10:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 440 states have (on average 1.3318181818181818) internal successors, (586), 440 states have internal predecessors, (586), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 09:10:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 738 transitions. [2024-11-20 09:10:20,968 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 738 transitions. Word has length 161 [2024-11-20 09:10:20,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:20,969 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 738 transitions. [2024-11-20 09:10:20,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 738 transitions. [2024-11-20 09:10:20,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-20 09:10:20,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:20,971 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:20,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 09:10:20,971 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:20,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:20,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1635446775, now seen corresponding path program 1 times [2024-11-20 09:10:20,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:20,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662808928] [2024-11-20 09:10:20,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:20,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:21,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:21,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662808928] [2024-11-20 09:10:21,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662808928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:21,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:21,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 09:10:21,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599724483] [2024-11-20 09:10:21,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:21,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 09:10:21,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:21,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 09:10:21,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 09:10:21,249 INFO L87 Difference]: Start difference. First operand 521 states and 738 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:10:21,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:21,560 INFO L93 Difference]: Finished difference Result 1066 states and 1500 transitions. [2024-11-20 09:10:21,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 09:10:21,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-20 09:10:21,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:21,564 INFO L225 Difference]: With dead ends: 1066 [2024-11-20 09:10:21,565 INFO L226 Difference]: Without dead ends: 652 [2024-11-20 09:10:21,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 09:10:21,566 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 143 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:21,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 393 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 09:10:21,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2024-11-20 09:10:21,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 599. [2024-11-20 09:10:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 518 states have (on average 1.3166023166023166) internal successors, (682), 518 states have internal predecessors, (682), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 09:10:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 834 transitions. [2024-11-20 09:10:21,676 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 834 transitions. Word has length 162 [2024-11-20 09:10:21,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:21,677 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 834 transitions. [2024-11-20 09:10:21,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:10:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 834 transitions. [2024-11-20 09:10:21,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-20 09:10:21,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:21,679 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:21,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 09:10:21,680 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:21,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:21,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1020749674, now seen corresponding path program 1 times [2024-11-20 09:10:21,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:21,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944330752] [2024-11-20 09:10:21,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:21,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:23,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:24,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:24,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:24,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:24,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944330752] [2024-11-20 09:10:24,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944330752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:24,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:24,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 09:10:24,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194927806] [2024-11-20 09:10:24,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:24,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 09:10:24,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:24,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 09:10:24,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-20 09:10:24,017 INFO L87 Difference]: Start difference. First operand 599 states and 834 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:25,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:25,992 INFO L93 Difference]: Finished difference Result 980 states and 1366 transitions. [2024-11-20 09:10:25,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 09:10:25,993 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 162 [2024-11-20 09:10:25,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:25,996 INFO L225 Difference]: With dead ends: 980 [2024-11-20 09:10:25,996 INFO L226 Difference]: Without dead ends: 690 [2024-11-20 09:10:26,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-20 09:10:26,002 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 390 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:26,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 697 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 09:10:26,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-20 09:10:26,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 599. [2024-11-20 09:10:26,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 518 states have (on average 1.3127413127413128) internal successors, (680), 518 states have internal predecessors, (680), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 09:10:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 832 transitions. [2024-11-20 09:10:26,061 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 832 transitions. Word has length 162 [2024-11-20 09:10:26,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:26,061 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 832 transitions. [2024-11-20 09:10:26,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:26,062 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 832 transitions. [2024-11-20 09:10:26,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-20 09:10:26,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:26,063 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:26,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 09:10:26,064 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:26,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:26,064 INFO L85 PathProgramCache]: Analyzing trace with hash 424575767, now seen corresponding path program 1 times [2024-11-20 09:10:26,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:26,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213666387] [2024-11-20 09:10:26,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:26,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:26,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:26,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213666387] [2024-11-20 09:10:26,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213666387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:26,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:26,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 09:10:26,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049133158] [2024-11-20 09:10:26,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:26,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 09:10:26,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:26,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 09:10:26,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 09:10:26,276 INFO L87 Difference]: Start difference. First operand 599 states and 832 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:10:26,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:26,339 INFO L93 Difference]: Finished difference Result 1022 states and 1432 transitions. [2024-11-20 09:10:26,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 09:10:26,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-20 09:10:26,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:26,343 INFO L225 Difference]: With dead ends: 1022 [2024-11-20 09:10:26,343 INFO L226 Difference]: Without dead ends: 608 [2024-11-20 09:10:26,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 09:10:26,345 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:26,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 651 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 09:10:26,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2024-11-20 09:10:26,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608. [2024-11-20 09:10:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 527 states have (on average 1.3074003795066413) internal successors, (689), 527 states have internal predecessors, (689), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 09:10:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 841 transitions. [2024-11-20 09:10:26,403 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 841 transitions. Word has length 162 [2024-11-20 09:10:26,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:26,403 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 841 transitions. [2024-11-20 09:10:26,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:10:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 841 transitions. [2024-11-20 09:10:26,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-20 09:10:26,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:26,405 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:26,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 09:10:26,405 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:26,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:26,406 INFO L85 PathProgramCache]: Analyzing trace with hash -507653101, now seen corresponding path program 1 times [2024-11-20 09:10:26,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:26,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076403156] [2024-11-20 09:10:26,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:26,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:27,223 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:27,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:27,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076403156] [2024-11-20 09:10:27,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076403156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:27,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:27,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 09:10:27,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841358802] [2024-11-20 09:10:27,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:27,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 09:10:27,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:27,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 09:10:27,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-20 09:10:27,226 INFO L87 Difference]: Start difference. First operand 608 states and 841 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:10:28,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:28,662 INFO L93 Difference]: Finished difference Result 923 states and 1270 transitions. [2024-11-20 09:10:28,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 09:10:28,663 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-20 09:10:28,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:28,666 INFO L225 Difference]: With dead ends: 923 [2024-11-20 09:10:28,667 INFO L226 Difference]: Without dead ends: 757 [2024-11-20 09:10:28,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-20 09:10:28,669 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 280 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:28,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 873 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 09:10:28,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-11-20 09:10:28,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 621. [2024-11-20 09:10:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 540 states have (on average 1.3055555555555556) internal successors, (705), 540 states have internal predecessors, (705), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 09:10:28,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 857 transitions. [2024-11-20 09:10:28,724 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 857 transitions. Word has length 162 [2024-11-20 09:10:28,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:28,724 INFO L471 AbstractCegarLoop]: Abstraction has 621 states and 857 transitions. [2024-11-20 09:10:28,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:10:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 857 transitions. [2024-11-20 09:10:28,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-20 09:10:28,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:28,726 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:28,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 09:10:28,726 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:28,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:28,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1518770351, now seen corresponding path program 1 times [2024-11-20 09:10:28,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:28,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456762556] [2024-11-20 09:10:28,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:28,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,174 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:29,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:29,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456762556] [2024-11-20 09:10:29,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456762556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:29,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:29,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 09:10:29,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398285388] [2024-11-20 09:10:29,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:29,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 09:10:29,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:29,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 09:10:29,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 09:10:29,176 INFO L87 Difference]: Start difference. First operand 621 states and 857 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:10:29,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:29,605 INFO L93 Difference]: Finished difference Result 825 states and 1142 transitions. [2024-11-20 09:10:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 09:10:29,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-20 09:10:29,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:29,608 INFO L225 Difference]: With dead ends: 825 [2024-11-20 09:10:29,608 INFO L226 Difference]: Without dead ends: 623 [2024-11-20 09:10:29,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 09:10:29,610 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 134 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:29,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 296 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 09:10:29,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-11-20 09:10:29,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 621. [2024-11-20 09:10:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 540 states have (on average 1.298148148148148) internal successors, (701), 540 states have internal predecessors, (701), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 09:10:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 853 transitions. [2024-11-20 09:10:29,661 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 853 transitions. Word has length 162 [2024-11-20 09:10:29,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:29,662 INFO L471 AbstractCegarLoop]: Abstraction has 621 states and 853 transitions. [2024-11-20 09:10:29,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 09:10:29,662 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 853 transitions. [2024-11-20 09:10:29,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-20 09:10:29,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:29,663 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:29,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 09:10:29,664 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:29,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:29,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1877835713, now seen corresponding path program 1 times [2024-11-20 09:10:29,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:29,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503456924] [2024-11-20 09:10:29,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:29,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:32,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:32,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503456924] [2024-11-20 09:10:32,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503456924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:32,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:32,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 09:10:32,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087917158] [2024-11-20 09:10:32,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:32,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 09:10:32,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:32,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 09:10:32,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-20 09:10:32,237 INFO L87 Difference]: Start difference. First operand 621 states and 853 transitions. Second operand has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:33,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:33,861 INFO L93 Difference]: Finished difference Result 888 states and 1216 transitions. [2024-11-20 09:10:33,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 09:10:33,861 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 162 [2024-11-20 09:10:33,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:33,865 INFO L225 Difference]: With dead ends: 888 [2024-11-20 09:10:33,865 INFO L226 Difference]: Without dead ends: 728 [2024-11-20 09:10:33,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-11-20 09:10:33,867 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 368 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:33,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 796 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 09:10:33,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-11-20 09:10:33,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 625. [2024-11-20 09:10:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 544 states have (on average 1.2959558823529411) internal successors, (705), 544 states have internal predecessors, (705), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 09:10:33,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 857 transitions. [2024-11-20 09:10:33,926 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 857 transitions. Word has length 162 [2024-11-20 09:10:33,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:33,926 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 857 transitions. [2024-11-20 09:10:33,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-20 09:10:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 857 transitions. [2024-11-20 09:10:33,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 09:10:33,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:33,928 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:33,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-20 09:10:33,928 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:33,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:33,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1586892661, now seen corresponding path program 1 times [2024-11-20 09:10:33,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:33,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576990286] [2024-11-20 09:10:33,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:33,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 09:10:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 09:10:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 09:10:36,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:36,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576990286] [2024-11-20 09:10:36,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576990286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:36,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:36,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 09:10:36,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237210804] [2024-11-20 09:10:36,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:36,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 09:10:36,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:36,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 09:10:36,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-20 09:10:36,635 INFO L87 Difference]: Start difference. First operand 625 states and 857 transitions. Second operand has 13 states, 11 states have (on average 6.454545454545454) internal successors, (71), 13 states have internal predecessors, (71), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 09:10:38,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:38,176 INFO L93 Difference]: Finished difference Result 1199 states and 1649 transitions. [2024-11-20 09:10:38,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 09:10:38,176 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 6.454545454545454) internal successors, (71), 13 states have internal predecessors, (71), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 163 [2024-11-20 09:10:38,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:38,180 INFO L225 Difference]: With dead ends: 1199 [2024-11-20 09:10:38,180 INFO L226 Difference]: Without dead ends: 776 [2024-11-20 09:10:38,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-11-20 09:10:38,182 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 188 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:38,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 1012 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 09:10:38,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2024-11-20 09:10:38,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 687. [2024-11-20 09:10:38,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 606 states have (on average 1.2937293729372936) internal successors, (784), 606 states have internal predecessors, (784), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-20 09:10:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 936 transitions. [2024-11-20 09:10:38,258 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 936 transitions. Word has length 163 [2024-11-20 09:10:38,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:38,259 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 936 transitions. [2024-11-20 09:10:38,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 6.454545454545454) internal successors, (71), 13 states have internal predecessors, (71), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 09:10:38,262 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 936 transitions. [2024-11-20 09:10:38,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 09:10:38,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:38,263 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:38,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-20 09:10:38,264 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:38,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:38,264 INFO L85 PathProgramCache]: Analyzing trace with hash 168554610, now seen corresponding path program 1 times [2024-11-20 09:10:38,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:38,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512450003] [2024-11-20 09:10:38,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:38,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat