./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-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6dac1e5238ed53a380160bb79ff5b6b2442b7be93876c5524c1d6a035c6da2a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 09:09:36,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:09:36,889 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 09:09:36,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:09:36,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:09:36,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:09:36,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:09:36,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:09:36,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:09:36,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:09:36,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:09:36,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:09:36,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:09:36,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:09:36,936 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:09:36,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:09:36,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:09:36,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 09:09:36,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:09:36,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 09:09:36,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:09:36,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:09:36,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:09:36,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:09:36,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:09:36,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 09:09:36,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:09:36,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:09:36,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:09:36,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:09:36,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:09:36,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:09:36,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:09:36,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:09:36,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:09:36,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:09:36,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:09:36,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:09:36,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:09:36,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:09:36,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:09:36,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:09:36,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6dac1e5238ed53a380160bb79ff5b6b2442b7be93876c5524c1d6a035c6da2a [2024-11-20 09:09:37,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:09:37,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:09:37,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:09:37,263 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:09:37,264 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:09:37,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.i [2024-11-20 09:09:38,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:09:38,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:09:38,954 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-61.i [2024-11-20 09:09:38,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae87a396f/6c188bf76639474baa37ff50192fd9d0/FLAG01767788e [2024-11-20 09:09:38,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae87a396f/6c188bf76639474baa37ff50192fd9d0 [2024-11-20 09:09:38,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:09:38,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:09:38,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:09:38,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:09:39,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:09:39,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:09:38" (1/1) ... [2024-11-20 09:09:39,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325a65d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39, skipping insertion in model container [2024-11-20 09:09:39,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:09:38" (1/1) ... [2024-11-20 09:09:39,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:09:39,236 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-61.i[917,930] [2024-11-20 09:09:39,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:09:39,315 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:09:39,325 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-61.i[917,930] [2024-11-20 09:09:39,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:09:39,390 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:09:39,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39 WrapperNode [2024-11-20 09:09:39,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:09:39,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:09:39,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:09:39,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:09:39,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (1/1) ... [2024-11-20 09:09:39,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (1/1) ... [2024-11-20 09:09:39,468 INFO L138 Inliner]: procedures = 30, calls = 184, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 524 [2024-11-20 09:09:39,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:09:39,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:09:39,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:09:39,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:09:39,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (1/1) ... [2024-11-20 09:09:39,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (1/1) ... [2024-11-20 09:09:39,491 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (1/1) ... [2024-11-20 09:09:39,499 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-20 09:09:39,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (1/1) ... [2024-11-20 09:09:39,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (1/1) ... [2024-11-20 09:09:39,525 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (1/1) ... [2024-11-20 09:09:39,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (1/1) ... [2024-11-20 09:09:39,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (1/1) ... [2024-11-20 09:09:39,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (1/1) ... [2024-11-20 09:09:39,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:09:39,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:09:39,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:09:39,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:09:39,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (1/1) ... [2024-11-20 09:09:39,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:09:39,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:09:39,596 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 09:09:39,601 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 09:09:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:09:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-20 09:09:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-20 09:09:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-20 09:09:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 09:09:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-20 09:09:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 09:09:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:09:39,657 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:09:39,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 09:09:39,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:09:39,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:09:39,810 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:09:39,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:09:40,788 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-11-20 09:09:40,788 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:09:40,806 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:09:40,807 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 09:09:40,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:09:40 BoogieIcfgContainer [2024-11-20 09:09:40,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:09:40,811 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:09:40,811 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:09:40,815 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:09:40,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:09:38" (1/3) ... [2024-11-20 09:09:40,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2676bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:09:40, skipping insertion in model container [2024-11-20 09:09:40,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:09:39" (2/3) ... [2024-11-20 09:09:40,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2676bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:09:40, skipping insertion in model container [2024-11-20 09:09:40,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:09:40" (3/3) ... [2024-11-20 09:09:40,818 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-61.i [2024-11-20 09:09:40,835 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:09:40,835 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:09:40,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:09:40,912 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;@6b3daa18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:09:40,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:09:40,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 09:09:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:09:40,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:40,932 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:40,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:40,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:40,938 INFO L85 PathProgramCache]: Analyzing trace with hash 686700268, now seen corresponding path program 1 times [2024-11-20 09:09:40,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:40,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140106046] [2024-11-20 09:09:40,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:40,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:09:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:09:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:09:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:09:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:09:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:09:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:09:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:09:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:41,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:09:41,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:41,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140106046] [2024-11-20 09:09:41,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140106046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:41,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:41,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 09:09:41,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684465586] [2024-11-20 09:09:41,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:41,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 09:09:41,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:41,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 09:09:41,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 09:09:41,622 INFO L87 Difference]: Start difference. First operand has 120 states, 92 states have (on average 1.358695652173913) internal successors, (125), 93 states have internal predecessors, (125), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-20 09:09:41,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:41,655 INFO L93 Difference]: Finished difference Result 233 states and 369 transitions. [2024-11-20 09:09:41,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 09:09:41,657 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 190 [2024-11-20 09:09:41,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:41,664 INFO L225 Difference]: With dead ends: 233 [2024-11-20 09:09:41,664 INFO L226 Difference]: Without dead ends: 116 [2024-11-20 09:09:41,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 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 09:09:41,675 INFO L432 NwaCegarLoop]: 168 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, 168 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 09:09:41,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 09:09:41,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-20 09:09:41,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-20 09:09:41,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 89 states have internal predecessors, (118), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 09:09:41,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2024-11-20 09:09:41,722 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 168 transitions. Word has length 190 [2024-11-20 09:09:41,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:41,723 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 168 transitions. [2024-11-20 09:09:41,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-20 09:09:41,723 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 168 transitions. [2024-11-20 09:09:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:09:41,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:41,729 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:41,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 09:09:41,730 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:41,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:41,732 INFO L85 PathProgramCache]: Analyzing trace with hash 326820314, now seen corresponding path program 1 times [2024-11-20 09:09:41,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:41,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576248559] [2024-11-20 09:09:41,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:41,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:42,185 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 11 [2024-11-20 09:09:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:09:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:09:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:09:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:09:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:09:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:09:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:09:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:09:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:09:42,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:42,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576248559] [2024-11-20 09:09:42,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576248559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:42,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:42,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 09:09:42,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028437759] [2024-11-20 09:09:42,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:42,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 09:09:42,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:42,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 09:09:42,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 09:09:42,304 INFO L87 Difference]: Start difference. First operand 116 states and 168 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-20 09:09:42,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:42,368 INFO L93 Difference]: Finished difference Result 232 states and 337 transitions. [2024-11-20 09:09:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 09:09:42,370 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-20 09:09:42,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:42,374 INFO L225 Difference]: With dead ends: 232 [2024-11-20 09:09:42,375 INFO L226 Difference]: Without dead ends: 119 [2024-11-20 09:09:42,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 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 09:09:42,378 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:42,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 485 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 09:09:42,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-20 09:09:42,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 118. [2024-11-20 09:09:42,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 09:09:42,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 170 transitions. [2024-11-20 09:09:42,405 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 170 transitions. Word has length 190 [2024-11-20 09:09:42,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:42,408 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 170 transitions. [2024-11-20 09:09:42,408 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-20 09:09:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 170 transitions. [2024-11-20 09:09:42,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:09:42,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:42,416 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:42,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 09:09:42,417 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:42,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:42,417 INFO L85 PathProgramCache]: Analyzing trace with hash 2101827676, now seen corresponding path program 1 times [2024-11-20 09:09:42,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:42,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523032007] [2024-11-20 09:09:42,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:42,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:09:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:09:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:09:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:09:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:09:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:09:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:09:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:09:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:42,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:09:42,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:42,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523032007] [2024-11-20 09:09:42,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523032007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:42,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:42,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 09:09:42,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784333259] [2024-11-20 09:09:42,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:42,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 09:09:42,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:42,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 09:09:42,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 09:09:42,734 INFO L87 Difference]: Start difference. First operand 118 states and 170 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-20 09:09:42,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:42,772 INFO L93 Difference]: Finished difference Result 236 states and 341 transitions. [2024-11-20 09:09:42,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 09:09:42,773 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-20 09:09:42,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:42,776 INFO L225 Difference]: With dead ends: 236 [2024-11-20 09:09:42,776 INFO L226 Difference]: Without dead ends: 121 [2024-11-20 09:09:42,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 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 09:09:42,777 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:42,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 487 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 09:09:42,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-20 09:09:42,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-20 09:09:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 93 states have internal predecessors, (122), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 09:09:42,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2024-11-20 09:09:42,788 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 190 [2024-11-20 09:09:42,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:42,789 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2024-11-20 09:09:42,789 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-20 09:09:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-11-20 09:09:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:09:42,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:42,796 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:42,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 09:09:42,796 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:42,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:42,797 INFO L85 PathProgramCache]: Analyzing trace with hash 2103674718, now seen corresponding path program 1 times [2024-11-20 09:09:42,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:42,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137541994] [2024-11-20 09:09:42,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:42,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:09:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:09:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:09:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:09:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:09:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:09:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:09:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:09:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:09:43,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:43,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137541994] [2024-11-20 09:09:43,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137541994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:43,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:43,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 09:09:43,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023322388] [2024-11-20 09:09:43,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:43,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 09:09:43,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:43,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 09:09:43,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 09:09:43,228 INFO L87 Difference]: Start difference. First operand 120 states and 172 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-20 09:09:43,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:43,258 INFO L93 Difference]: Finished difference Result 239 states and 344 transitions. [2024-11-20 09:09:43,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 09:09:43,259 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-20 09:09:43,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:43,261 INFO L225 Difference]: With dead ends: 239 [2024-11-20 09:09:43,263 INFO L226 Difference]: Without dead ends: 122 [2024-11-20 09:09:43,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 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 09:09:43,264 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:43,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 490 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 09:09:43,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-20 09:09:43,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-20 09:09:43,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 95 states have (on average 1.305263157894737) internal successors, (124), 95 states have internal predecessors, (124), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-20 09:09:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-11-20 09:09:43,285 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 190 [2024-11-20 09:09:43,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:43,285 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-11-20 09:09:43,286 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-20 09:09:43,286 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-11-20 09:09:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:09:43,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:43,290 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:43,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 09:09:43,290 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:43,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:43,294 INFO L85 PathProgramCache]: Analyzing trace with hash 180446684, now seen corresponding path program 1 times [2024-11-20 09:09:43,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:43,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905717032] [2024-11-20 09:09:43,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:43,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:09:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:09:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:09:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:09:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:09:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:09:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:09:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:09:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:46,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:09:46,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:46,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905717032] [2024-11-20 09:09:46,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905717032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:46,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:46,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 09:09:46,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825690671] [2024-11-20 09:09:46,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:46,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 09:09:46,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:46,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 09:09:46,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-20 09:09:46,543 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-20 09:09:47,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:47,318 INFO L93 Difference]: Finished difference Result 260 states and 369 transitions. [2024-11-20 09:09:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 09:09:47,318 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 190 [2024-11-20 09:09:47,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:47,321 INFO L225 Difference]: With dead ends: 260 [2024-11-20 09:09:47,321 INFO L226 Difference]: Without dead ends: 141 [2024-11-20 09:09:47,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-11-20 09:09:47,323 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 189 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:47,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 412 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 09:09:47,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-20 09:09:47,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 137. [2024-11-20 09:09:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 105 states have (on average 1.276190476190476) internal successors, (134), 106 states have internal predecessors, (134), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 09:09:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 192 transitions. [2024-11-20 09:09:47,348 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 192 transitions. Word has length 190 [2024-11-20 09:09:47,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:47,348 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 192 transitions. [2024-11-20 09:09:47,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-20 09:09:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2024-11-20 09:09:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:09:47,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:47,350 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:47,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 09:09:47,351 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:47,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:47,353 INFO L85 PathProgramCache]: Analyzing trace with hash -805089184, now seen corresponding path program 1 times [2024-11-20 09:09:47,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:47,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488573095] [2024-11-20 09:09:47,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:47,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:09:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:09:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:09:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:09:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:09:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:09:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:09:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:09:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:52,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:09:52,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:52,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488573095] [2024-11-20 09:09:52,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488573095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:52,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:52,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 09:09:52,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488365851] [2024-11-20 09:09:52,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:52,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 09:09:52,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:52,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 09:09:52,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-20 09:09:52,502 INFO L87 Difference]: Start difference. First operand 137 states and 192 transitions. Second operand has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-20 09:09:53,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:53,922 INFO L93 Difference]: Finished difference Result 308 states and 436 transitions. [2024-11-20 09:09:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 09:09:53,923 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 190 [2024-11-20 09:09:53,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:53,928 INFO L225 Difference]: With dead ends: 308 [2024-11-20 09:09:53,928 INFO L226 Difference]: Without dead ends: 187 [2024-11-20 09:09:53,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2024-11-20 09:09:53,930 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 700 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:53,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 414 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 09:09:53,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-20 09:09:53,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 148. [2024-11-20 09:09:53,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 116 states have (on average 1.3017241379310345) internal successors, (151), 117 states have internal predecessors, (151), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 09:09:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 209 transitions. [2024-11-20 09:09:53,966 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 209 transitions. Word has length 190 [2024-11-20 09:09:53,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:53,967 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 209 transitions. [2024-11-20 09:09:53,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-20 09:09:53,968 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 209 transitions. [2024-11-20 09:09:53,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:09:53,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:53,971 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:53,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 09:09:53,972 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:53,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:53,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1495733406, now seen corresponding path program 1 times [2024-11-20 09:09:53,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:53,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662880117] [2024-11-20 09:09:53,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:53,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:09:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:09:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:09:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:09:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:09:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:09:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:09:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:09:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:55,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:09:55,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:55,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662880117] [2024-11-20 09:09:55,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662880117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:55,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:55,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 09:09:55,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514980536] [2024-11-20 09:09:55,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:55,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 09:09:55,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:55,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 09:09:55,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-20 09:09:55,780 INFO L87 Difference]: Start difference. First operand 148 states and 209 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-20 09:09:56,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:56,941 INFO L93 Difference]: Finished difference Result 366 states and 517 transitions. [2024-11-20 09:09:56,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 09:09:56,942 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-20 09:09:56,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:56,944 INFO L225 Difference]: With dead ends: 366 [2024-11-20 09:09:56,944 INFO L226 Difference]: Without dead ends: 234 [2024-11-20 09:09:56,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-20 09:09:56,946 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 471 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:56,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 717 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 09:09:56,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-20 09:09:56,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 157. [2024-11-20 09:09:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 125 states have (on average 1.304) internal successors, (163), 126 states have internal predecessors, (163), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 09:09:56,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 221 transitions. [2024-11-20 09:09:56,976 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 221 transitions. Word has length 190 [2024-11-20 09:09:56,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:56,977 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 221 transitions. [2024-11-20 09:09:56,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-20 09:09:56,977 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 221 transitions. [2024-11-20 09:09:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:09:56,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:56,979 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:56,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 09:09:56,979 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:56,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:56,980 INFO L85 PathProgramCache]: Analyzing trace with hash -904232631, now seen corresponding path program 1 times [2024-11-20 09:09:56,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:56,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079895504] [2024-11-20 09:09:56,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:56,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:09:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:09:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:09:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:09:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:09:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:09:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:09:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:09:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:09:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:09:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:09:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:09:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:09:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:09:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:09:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:09:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:09:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:09:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:09:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:09:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:09:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:09:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:09:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:09:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:09:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:09:57,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:09:57,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:09:57,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079895504] [2024-11-20 09:09:57,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079895504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:09:57,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:09:57,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 09:09:57,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267493197] [2024-11-20 09:09:57,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:09:57,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 09:09:57,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:09:57,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 09:09:57,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 09:09:57,758 INFO L87 Difference]: Start difference. First operand 157 states and 221 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-20 09:09:58,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:09:58,058 INFO L93 Difference]: Finished difference Result 346 states and 490 transitions. [2024-11-20 09:09:58,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 09:09:58,059 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-20 09:09:58,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:09:58,061 INFO L225 Difference]: With dead ends: 346 [2024-11-20 09:09:58,061 INFO L226 Difference]: Without dead ends: 205 [2024-11-20 09:09:58,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-20 09:09:58,062 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 214 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 09:09:58,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 626 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 09:09:58,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-20 09:09:58,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 164. [2024-11-20 09:09:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 132 states have (on average 1.3181818181818181) internal successors, (174), 133 states have internal predecessors, (174), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 09:09:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 232 transitions. [2024-11-20 09:09:58,088 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 232 transitions. Word has length 190 [2024-11-20 09:09:58,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:09:58,088 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 232 transitions. [2024-11-20 09:09:58,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-20 09:09:58,089 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 232 transitions. [2024-11-20 09:09:58,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:09:58,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:09:58,091 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:58,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 09:09:58,091 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:09:58,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:09:58,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1396589959, now seen corresponding path program 1 times [2024-11-20 09:09:58,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:09:58,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908851095] [2024-11-20 09:09:58,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:09:58,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:09:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:10:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:10:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:10:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:10:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:02,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:03,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:03,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:10:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:03,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:10:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:03,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:10:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:03,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:10:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:10:03,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:03,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908851095] [2024-11-20 09:10:03,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908851095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:03,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:03,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 09:10:03,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299330643] [2024-11-20 09:10:03,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:03,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 09:10:03,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:03,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 09:10:03,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-20 09:10:03,091 INFO L87 Difference]: Start difference. First operand 164 states and 232 transitions. Second operand has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-20 09:10:05,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:05,226 INFO L93 Difference]: Finished difference Result 404 states and 570 transitions. [2024-11-20 09:10:05,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 09:10:05,226 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 190 [2024-11-20 09:10:05,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:05,229 INFO L225 Difference]: With dead ends: 404 [2024-11-20 09:10:05,229 INFO L226 Difference]: Without dead ends: 256 [2024-11-20 09:10:05,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2024-11-20 09:10:05,230 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 317 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:05,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 879 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-20 09:10:05,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-20 09:10:05,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 170. [2024-11-20 09:10:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 138 states have (on average 1.3333333333333333) internal successors, (184), 139 states have internal predecessors, (184), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 09:10:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 242 transitions. [2024-11-20 09:10:05,259 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 242 transitions. Word has length 190 [2024-11-20 09:10:05,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:05,259 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 242 transitions. [2024-11-20 09:10:05,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-20 09:10:05,260 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 242 transitions. [2024-11-20 09:10:05,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:10:05,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:05,262 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:05,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 09:10:05,262 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:05,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:05,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1227791010, now seen corresponding path program 1 times [2024-11-20 09:10:05,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:05,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624091722] [2024-11-20 09:10:05,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:05,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:10:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:10:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:10:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:10:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:10:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:10:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:10:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:10:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:10:09,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:09,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624091722] [2024-11-20 09:10:09,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624091722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:09,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:09,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 09:10:09,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137373948] [2024-11-20 09:10:09,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:09,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 09:10:09,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:09,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 09:10:09,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-20 09:10:09,532 INFO L87 Difference]: Start difference. First operand 170 states and 242 transitions. Second operand has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-20 09:10:10,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:10,348 INFO L93 Difference]: Finished difference Result 369 states and 526 transitions. [2024-11-20 09:10:10,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 09:10:10,350 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 190 [2024-11-20 09:10:10,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:10,352 INFO L225 Difference]: With dead ends: 369 [2024-11-20 09:10:10,352 INFO L226 Difference]: Without dead ends: 215 [2024-11-20 09:10:10,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-20 09:10:10,353 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 630 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:10,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 369 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 09:10:10,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-20 09:10:10,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 170. [2024-11-20 09:10:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 138 states have (on average 1.3333333333333333) internal successors, (184), 139 states have internal predecessors, (184), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-20 09:10:10,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 242 transitions. [2024-11-20 09:10:10,391 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 242 transitions. Word has length 190 [2024-11-20 09:10:10,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:10,391 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 242 transitions. [2024-11-20 09:10:10,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-20 09:10:10,392 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 242 transitions. [2024-11-20 09:10:10,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:10:10,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:10,395 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:10,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 09:10:10,395 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:10,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:10,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1073031580, now seen corresponding path program 1 times [2024-11-20 09:10:10,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:10,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130904186] [2024-11-20 09:10:10,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:10,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:10:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:10:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:10:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:10:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:10:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:10:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:10:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:10:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:10:14,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:14,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130904186] [2024-11-20 09:10:14,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130904186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:14,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:14,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 09:10:14,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667870794] [2024-11-20 09:10:14,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:14,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 09:10:14,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:14,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 09:10:14,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-20 09:10:14,500 INFO L87 Difference]: Start difference. First operand 170 states and 242 transitions. Second operand has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-20 09:10:16,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:16,036 INFO L93 Difference]: Finished difference Result 428 states and 600 transitions. [2024-11-20 09:10:16,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 09:10:16,037 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 190 [2024-11-20 09:10:16,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:16,039 INFO L225 Difference]: With dead ends: 428 [2024-11-20 09:10:16,039 INFO L226 Difference]: Without dead ends: 274 [2024-11-20 09:10:16,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-11-20 09:10:16,042 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 623 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:16,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 633 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-20 09:10:16,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-20 09:10:16,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 223. [2024-11-20 09:10:16,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 187 states have (on average 1.3315508021390374) internal successors, (249), 189 states have internal predecessors, (249), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 09:10:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 311 transitions. [2024-11-20 09:10:16,076 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 311 transitions. Word has length 190 [2024-11-20 09:10:16,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:16,076 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 311 transitions. [2024-11-20 09:10:16,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 16 states have internal predecessors, (68), 3 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-20 09:10:16,077 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 311 transitions. [2024-11-20 09:10:16,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:10:16,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:16,078 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:16,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 09:10:16,079 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:16,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:16,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1326934457, now seen corresponding path program 1 times [2024-11-20 09:10:16,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:16,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270050908] [2024-11-20 09:10:16,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:16,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:10:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:10:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:10:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:10:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:10:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:10:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:10:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:10:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:10:16,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:16,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270050908] [2024-11-20 09:10:16,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270050908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:16,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:16,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 09:10:16,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133271593] [2024-11-20 09:10:16,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:16,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 09:10:16,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:16,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 09:10:16,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 09:10:16,810 INFO L87 Difference]: Start difference. First operand 223 states and 311 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-20 09:10:17,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:17,143 INFO L93 Difference]: Finished difference Result 517 states and 725 transitions. [2024-11-20 09:10:17,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 09:10:17,144 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 190 [2024-11-20 09:10:17,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:17,146 INFO L225 Difference]: With dead ends: 517 [2024-11-20 09:10:17,146 INFO L226 Difference]: Without dead ends: 314 [2024-11-20 09:10:17,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-20 09:10:17,147 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 215 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:17,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 680 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 09:10:17,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-20 09:10:17,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 224. [2024-11-20 09:10:17,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 188 states have (on average 1.3351063829787233) internal successors, (251), 190 states have internal predecessors, (251), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 09:10:17,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 313 transitions. [2024-11-20 09:10:17,179 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 313 transitions. Word has length 190 [2024-11-20 09:10:17,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:17,179 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 313 transitions. [2024-11-20 09:10:17,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-20 09:10:17,180 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 313 transitions. [2024-11-20 09:10:17,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:10:17,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:17,181 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:17,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 09:10:17,181 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:17,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:17,182 INFO L85 PathProgramCache]: Analyzing trace with hash 973888133, now seen corresponding path program 1 times [2024-11-20 09:10:17,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:17,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933111759] [2024-11-20 09:10:17,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:17,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:10:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:10:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:21,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:10:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:10:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:10:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:10:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:10:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:10:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:10:22,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:22,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933111759] [2024-11-20 09:10:22,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933111759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:22,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:22,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-20 09:10:22,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113876859] [2024-11-20 09:10:22,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:22,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-20 09:10:22,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:22,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-20 09:10:22,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-20 09:10:22,161 INFO L87 Difference]: Start difference. First operand 224 states and 313 transitions. Second operand has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-20 09:10:24,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:24,662 INFO L93 Difference]: Finished difference Result 613 states and 851 transitions. [2024-11-20 09:10:24,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 09:10:24,663 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 4 states have call successors, (25) Word has length 190 [2024-11-20 09:10:24,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:24,665 INFO L225 Difference]: With dead ends: 613 [2024-11-20 09:10:24,665 INFO L226 Difference]: Without dead ends: 409 [2024-11-20 09:10:24,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=232, Invalid=698, Unknown=0, NotChecked=0, Total=930 [2024-11-20 09:10:24,666 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 947 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:24,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 707 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 09:10:24,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-20 09:10:24,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 291. [2024-11-20 09:10:24,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 255 states have (on average 1.3686274509803922) internal successors, (349), 257 states have internal predecessors, (349), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 09:10:24,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 411 transitions. [2024-11-20 09:10:24,702 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 411 transitions. Word has length 190 [2024-11-20 09:10:24,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:24,702 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 411 transitions. [2024-11-20 09:10:24,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 4 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-20 09:10:24,703 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 411 transitions. [2024-11-20 09:10:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:10:24,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:24,704 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:24,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 09:10:24,704 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:24,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:24,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1361719900, now seen corresponding path program 1 times [2024-11-20 09:10:24,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:24,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305608198] [2024-11-20 09:10:24,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:24,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:29,143 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 41 [2024-11-20 09:10:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:10:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:10:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:10:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:10:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:10:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:10:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:10:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:10:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:10:29,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:29,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305608198] [2024-11-20 09:10:29,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305608198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:29,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:29,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-20 09:10:29,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024814538] [2024-11-20 09:10:29,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:29,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-20 09:10:29,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:29,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-20 09:10:29,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-20 09:10:29,505 INFO L87 Difference]: Start difference. First operand 291 states and 411 transitions. Second operand has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-20 09:10:31,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:31,957 INFO L93 Difference]: Finished difference Result 643 states and 900 transitions. [2024-11-20 09:10:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 09:10:31,958 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) Word has length 190 [2024-11-20 09:10:31,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:31,960 INFO L225 Difference]: With dead ends: 643 [2024-11-20 09:10:31,960 INFO L226 Difference]: Without dead ends: 355 [2024-11-20 09:10:31,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2024-11-20 09:10:31,962 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 592 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:31,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 878 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-20 09:10:31,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-20 09:10:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 289. [2024-11-20 09:10:31,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 253 states have (on average 1.3675889328063242) internal successors, (346), 255 states have internal predecessors, (346), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 09:10:31,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 408 transitions. [2024-11-20 09:10:31,998 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 408 transitions. Word has length 190 [2024-11-20 09:10:31,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:31,999 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 408 transitions. [2024-11-20 09:10:31,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 4.25) internal successors, (68), 18 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-20 09:10:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 408 transitions. [2024-11-20 09:10:32,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:10:32,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:32,000 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:32,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 09:10:32,000 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:32,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:32,002 INFO L85 PathProgramCache]: Analyzing trace with hash 939018074, now seen corresponding path program 1 times [2024-11-20 09:10:32,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:32,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749152600] [2024-11-20 09:10:32,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:32,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 09:10:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 09:10:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 09:10:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 09:10:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 09:10:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 09:10:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 09:10:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 09:10:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-20 09:10:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 09:10:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 09:10:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 09:10:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 09:10:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 09:10:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 09:10:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 09:10:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 09:10:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 09:10:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 09:10:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 09:10:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 09:10:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 09:10:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 09:10:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 09:10:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-20 09:10:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 09:10:37,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-20 09:10:37,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 09:10:37,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749152600] [2024-11-20 09:10:37,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749152600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 09:10:37,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 09:10:37,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-20 09:10:37,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119909671] [2024-11-20 09:10:37,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 09:10:37,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-20 09:10:37,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 09:10:37,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-20 09:10:37,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-11-20 09:10:37,528 INFO L87 Difference]: Start difference. First operand 289 states and 408 transitions. Second operand has 20 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 20 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-20 09:10:40,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 09:10:40,367 INFO L93 Difference]: Finished difference Result 678 states and 946 transitions. [2024-11-20 09:10:40,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 09:10:40,368 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 20 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) Word has length 190 [2024-11-20 09:10:40,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 09:10:40,370 INFO L225 Difference]: With dead ends: 678 [2024-11-20 09:10:40,370 INFO L226 Difference]: Without dead ends: 392 [2024-11-20 09:10:40,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=281, Invalid=979, Unknown=0, NotChecked=0, Total=1260 [2024-11-20 09:10:40,372 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 1028 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 09:10:40,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 859 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 09:10:40,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-20 09:10:40,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 289. [2024-11-20 09:10:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 253 states have (on average 1.3675889328063242) internal successors, (346), 255 states have internal predecessors, (346), 31 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 09:10:40,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 408 transitions. [2024-11-20 09:10:40,403 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 408 transitions. Word has length 190 [2024-11-20 09:10:40,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 09:10:40,403 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 408 transitions. [2024-11-20 09:10:40,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 20 states have internal predecessors, (68), 5 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 3 states have call predecessors, (25), 5 states have call successors, (25) [2024-11-20 09:10:40,404 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 408 transitions. [2024-11-20 09:10:40,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-20 09:10:40,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:10:40,405 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:40,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 09:10:40,406 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:10:40,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:10:40,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1460947963, now seen corresponding path program 1 times [2024-11-20 09:10:40,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:10:40,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339799980] [2024-11-20 09:10:40,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:10:40,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 09:10:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat