./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-10.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 1d2525c514f5f41938cb8dbff9fda78c478979aa19fdef1a39087aafe1b8a708 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:45:02,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:45:02,322 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:45:02,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:45:02,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:45:02,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:45:02,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:45:02,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:45:02,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:45:02,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:45:02,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:45:02,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:45:02,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:45:02,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:45:02,357 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:45:02,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:45:02,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:45:02,358 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:45:02,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:45:02,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:45:02,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:45:02,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:45:02,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:45:02,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:45:02,362 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:45:02,363 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:45:02,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:45:02,363 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:45:02,363 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:45:02,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:45:02,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:45:02,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:45:02,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:45:02,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:45:02,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:45:02,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:45:02,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:45:02,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:45:02,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:45:02,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:45:02,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:45:02,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:45:02,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2525c514f5f41938cb8dbff9fda78c478979aa19fdef1a39087aafe1b8a708 [2024-11-10 05:45:02,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:45:02,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:45:02,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:45:02,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:45:02,603 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:45:02,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-10.i [2024-11-10 05:45:03,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:45:03,992 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:45:03,993 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-10.i [2024-11-10 05:45:04,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8440ebc1d/754a5814f28e4ffa8698262e1ae822e7/FLAG23d59c814 [2024-11-10 05:45:04,387 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8440ebc1d/754a5814f28e4ffa8698262e1ae822e7 [2024-11-10 05:45:04,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:45:04,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:45:04,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:45:04,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:45:04,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:45:04,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dff267f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04, skipping insertion in model container [2024-11-10 05:45:04,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:45:04,565 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_fillercode_fillercodestructure_filler-pr-co_file-10.i[919,932] [2024-11-10 05:45:04,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:45:04,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:45:04,680 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_fillercode_fillercodestructure_filler-pr-co_file-10.i[919,932] [2024-11-10 05:45:04,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:45:04,769 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:45:04,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04 WrapperNode [2024-11-10 05:45:04,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:45:04,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:45:04,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:45:04,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:45:04,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,837 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 317 [2024-11-10 05:45:04,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:45:04,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:45:04,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:45:04,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:45:04,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,874 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 05:45:04,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,888 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:45:04,911 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:45:04,911 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:45:04,911 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:45:04,912 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (1/1) ... [2024-11-10 05:45:04,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:45:04,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:45:04,941 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) [2024-11-10 05:45:04,942 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 [2024-11-10 05:45:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:45:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:45:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:45:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:45:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:45:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:45:05,046 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:45:05,048 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:45:05,413 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L211: havoc property_#t~bitwise35#1;havoc property_#t~ite37#1;havoc property_#t~bitwise36#1;havoc property_#t~short38#1; [2024-11-10 05:45:05,450 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-10 05:45:05,450 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:45:05,473 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:45:05,475 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 05:45:05,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:45:05 BoogieIcfgContainer [2024-11-10 05:45:05,475 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:45:05,476 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:45:05,477 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:45:05,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:45:05,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:45:04" (1/3) ... [2024-11-10 05:45:05,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cabfd7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:45:05, skipping insertion in model container [2024-11-10 05:45:05,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:04" (2/3) ... [2024-11-10 05:45:05,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cabfd7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:45:05, skipping insertion in model container [2024-11-10 05:45:05,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:45:05" (3/3) ... [2024-11-10 05:45:05,483 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-10.i [2024-11-10 05:45:05,497 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:45:05,498 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:45:05,557 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:45:05,562 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;@148b262c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:45:05,563 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:45:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 96 states have internal predecessors, (135), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 05:45:05,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 05:45:05,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:45:05,586 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:45:05,586 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:45:05,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:45:05,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1326500943, now seen corresponding path program 1 times [2024-11-10 05:45:05,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:45:05,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93052140] [2024-11-10 05:45:05,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:45:05,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:45:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:45:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:45:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:45:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:45:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:45:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:45:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:45:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:45:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:45:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:45:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:45:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:45:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:45:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:45:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:45:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:45:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:45:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:45:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:45:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:05,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:45:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:45:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 05:45:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:45:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:45:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:45:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:45:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:45:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:45:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 05:45:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:45:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 05:45:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:45:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 05:45:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:45:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:45:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 05:45:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 05:45:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 05:45:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 05:45:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 05:45:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 05:45:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 05:45:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:45:06,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:45:06,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93052140] [2024-11-10 05:45:06,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93052140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:45:06,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:45:06,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 05:45:06,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473201276] [2024-11-10 05:45:06,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:45:06,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 05:45:06,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:45:06,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 05:45:06,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:45:06,164 INFO L87 Difference]: Start difference. First operand has 140 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 96 states have internal predecessors, (135), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-10 05:45:06,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:45:06,210 INFO L93 Difference]: Finished difference Result 272 states and 473 transitions. [2024-11-10 05:45:06,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 05:45:06,215 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 263 [2024-11-10 05:45:06,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:45:06,226 INFO L225 Difference]: With dead ends: 272 [2024-11-10 05:45:06,226 INFO L226 Difference]: Without dead ends: 135 [2024-11-10 05:45:06,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:45:06,234 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:45:06,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 203 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:45:06,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-10 05:45:06,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2024-11-10 05:45:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 05:45:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 211 transitions. [2024-11-10 05:45:06,288 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 211 transitions. Word has length 263 [2024-11-10 05:45:06,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:45:06,289 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 211 transitions. [2024-11-10 05:45:06,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-10 05:45:06,293 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 211 transitions. [2024-11-10 05:45:06,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 05:45:06,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:45:06,300 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:45:06,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:45:06,300 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:45:06,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:45:06,301 INFO L85 PathProgramCache]: Analyzing trace with hash 853443341, now seen corresponding path program 1 times [2024-11-10 05:45:06,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:45:06,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604547041] [2024-11-10 05:45:06,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:45:06,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:45:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:45:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:45:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:45:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:45:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:45:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:45:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:45:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:45:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:06,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:45:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:45:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:45:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:45:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:45:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:45:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:45:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:45:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:45:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:45:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:45:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:45:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:45:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 05:45:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:45:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:45:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:45:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:45:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:45:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:45:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 05:45:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:45:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 05:45:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:45:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 05:45:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:45:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:45:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 05:45:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 05:45:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 05:45:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 05:45:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 05:45:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 05:45:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 05:45:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:45:07,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:45:07,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604547041] [2024-11-10 05:45:07,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604547041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:45:07,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:45:07,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:45:07,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167843097] [2024-11-10 05:45:07,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:45:07,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:45:07,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:45:07,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:45:07,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:45:07,200 INFO L87 Difference]: Start difference. First operand 135 states and 211 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:45:07,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:45:07,419 INFO L93 Difference]: Finished difference Result 401 states and 629 transitions. [2024-11-10 05:45:07,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:45:07,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 263 [2024-11-10 05:45:07,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:45:07,423 INFO L225 Difference]: With dead ends: 401 [2024-11-10 05:45:07,423 INFO L226 Difference]: Without dead ends: 269 [2024-11-10 05:45:07,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:45:07,425 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 134 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:45:07,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 580 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 05:45:07,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-10 05:45:07,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 208. [2024-11-10 05:45:07,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 121 states have (on average 1.2975206611570247) internal successors, (157), 121 states have internal predecessors, (157), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 05:45:07,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 325 transitions. [2024-11-10 05:45:07,455 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 325 transitions. Word has length 263 [2024-11-10 05:45:07,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:45:07,456 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 325 transitions. [2024-11-10 05:45:07,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:45:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 325 transitions. [2024-11-10 05:45:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 05:45:07,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:45:07,462 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:45:07,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:45:07,462 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:45:07,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:45:07,463 INFO L85 PathProgramCache]: Analyzing trace with hash 861990178, now seen corresponding path program 1 times [2024-11-10 05:45:07,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:45:07,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433496544] [2024-11-10 05:45:07,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:45:07,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:45:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:45:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:45:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:45:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:45:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:45:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:45:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:45:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:45:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:45:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:45:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:45:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:45:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:45:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:58,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:45:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:45:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:45:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:45:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:45:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:45:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:45:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:45:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 05:45:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:45:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:45:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:45:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:45:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:45:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:45:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 05:45:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:45:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 05:45:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:45:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 05:45:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:45:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:45:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 05:45:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 05:45:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 05:45:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 05:45:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 05:45:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 05:45:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 05:45:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:45:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:45:59,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:45:59,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433496544] [2024-11-10 05:45:59,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433496544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:45:59,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:45:59,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 05:45:59,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101374895] [2024-11-10 05:45:59,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:45:59,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 05:45:59,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:45:59,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 05:45:59,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-10 05:45:59,110 INFO L87 Difference]: Start difference. First operand 208 states and 325 transitions. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-10 05:46:00,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:46:00,923 INFO L93 Difference]: Finished difference Result 595 states and 921 transitions. [2024-11-10 05:46:00,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 05:46:00,924 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 264 [2024-11-10 05:46:00,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:46:00,930 INFO L225 Difference]: With dead ends: 595 [2024-11-10 05:46:00,931 INFO L226 Difference]: Without dead ends: 463 [2024-11-10 05:46:00,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2024-11-10 05:46:00,933 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 830 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:46:00,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 1245 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 05:46:00,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-11-10 05:46:00,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 363. [2024-11-10 05:46:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 232 states have (on average 1.3405172413793103) internal successors, (311), 233 states have internal predecessors, (311), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-10 05:46:00,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 563 transitions. [2024-11-10 05:46:00,975 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 563 transitions. Word has length 264 [2024-11-10 05:46:00,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:46:00,977 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 563 transitions. [2024-11-10 05:46:00,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-10 05:46:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 563 transitions. [2024-11-10 05:46:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 05:46:00,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:46:00,983 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:46:00,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 05:46:00,983 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:46:00,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:46:00,984 INFO L85 PathProgramCache]: Analyzing trace with hash -376468510, now seen corresponding path program 1 times [2024-11-10 05:46:00,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:46:00,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133255476] [2024-11-10 05:46:00,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:46:00,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:46:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:46:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:46:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:46:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:46:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:46:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:46:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:46:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:46:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:46:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:46:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:46:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:46:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:46:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:46:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:46:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:46:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:46:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:46:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:46:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:46:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:46:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 05:46:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:46:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:46:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:46:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:46:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:46:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:46:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 05:46:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:46:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-10 05:46:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:46:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-11-10 05:46:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:46:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:46:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-11-10 05:46:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-10 05:46:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-11-10 05:46:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 05:46:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-11-10 05:46:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 05:46:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 05:46:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:46:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:46:02,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:46:02,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133255476] [2024-11-10 05:46:02,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133255476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:46:02,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:46:02,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 05:46:02,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284623249] [2024-11-10 05:46:02,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:46:02,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 05:46:02,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:46:02,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 05:46:02,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-10 05:46:02,731 INFO L87 Difference]: Start difference. First operand 363 states and 563 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:46:04,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:46:04,212 INFO L93 Difference]: Finished difference Result 775 states and 1181 transitions. [2024-11-10 05:46:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 05:46:04,212 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 264 [2024-11-10 05:46:04,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:46:04,216 INFO L225 Difference]: With dead ends: 775 [2024-11-10 05:46:04,216 INFO L226 Difference]: Without dead ends: 486 [2024-11-10 05:46:04,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2024-11-10 05:46:04,218 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 645 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:46:04,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 1297 Invalid, 1250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 05:46:04,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-10 05:46:04,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 367. [2024-11-10 05:46:04,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 236 states have (on average 1.3389830508474576) internal successors, (316), 237 states have internal predecessors, (316), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-10 05:46:04,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 568 transitions. [2024-11-10 05:46:04,258 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 568 transitions. Word has length 264 [2024-11-10 05:46:04,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:46:04,259 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 568 transitions. [2024-11-10 05:46:04,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:46:04,259 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 568 transitions. [2024-11-10 05:46:04,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 05:46:04,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:46:04,262 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:46:04,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 05:46:04,263 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:46:04,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:46:04,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1728520417, now seen corresponding path program 1 times [2024-11-10 05:46:04,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:46:04,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917167255] [2024-11-10 05:46:04,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:46:04,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:46:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat