./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-98.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-ps-cn_file-98.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 5bfd541e034a2239cc167d96b8c07e32a8e0b9cb924b5e91bdd791e4ad2a95f4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:16:43,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:16:43,513 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 06:16:43,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:16:43,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:16:43,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:16:43,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:16:43,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:16:43,557 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:16:43,558 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:16:43,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:16:43,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:16:43,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:16:43,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:16:43,565 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:16:43,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:16:43,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:16:43,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:16:43,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 06:16:43,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:16:43,571 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:16:43,572 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:16:43,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:16:43,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:16:43,573 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:16:43,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:16:43,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:16:43,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:16:43,574 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:16:43,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:16:43,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:16:43,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:16:43,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:16:43,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:16:43,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:16:43,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:16:43,580 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 06:16:43,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 06:16:43,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:16:43,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:16:43,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:16:43,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:16:43,582 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bfd541e034a2239cc167d96b8c07e32a8e0b9cb924b5e91bdd791e4ad2a95f4 [2024-11-10 06:16:43,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:16:43,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:16:43,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:16:43,924 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:16:43,925 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:16:43,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-98.i [2024-11-10 06:16:45,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:16:45,815 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:16:45,816 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-98.i [2024-11-10 06:16:45,834 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f2cb0c81/265e8a3944b94794b1c062b3d26707c1/FLAG172eb1c27 [2024-11-10 06:16:45,850 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f2cb0c81/265e8a3944b94794b1c062b3d26707c1 [2024-11-10 06:16:45,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:16:45,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:16:45,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:16:45,856 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:16:45,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:16:45,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:16:45" (1/1) ... [2024-11-10 06:16:45,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69413c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:45, skipping insertion in model container [2024-11-10 06:16:45,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:16:45" (1/1) ... [2024-11-10 06:16:45,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:16:46,108 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-ps-cn_file-98.i[919,932] [2024-11-10 06:16:46,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:16:46,250 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:16:46,267 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-ps-cn_file-98.i[919,932] [2024-11-10 06:16:46,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:16:46,355 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:16:46,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46 WrapperNode [2024-11-10 06:16:46,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:16:46,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:16:46,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:16:46,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:16:46,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (1/1) ... [2024-11-10 06:16:46,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (1/1) ... [2024-11-10 06:16:46,446 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 271 [2024-11-10 06:16:46,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:16:46,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:16:46,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:16:46,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:16:46,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (1/1) ... [2024-11-10 06:16:46,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (1/1) ... [2024-11-10 06:16:46,472 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (1/1) ... [2024-11-10 06:16:46,501 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 06:16:46,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (1/1) ... [2024-11-10 06:16:46,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (1/1) ... [2024-11-10 06:16:46,521 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (1/1) ... [2024-11-10 06:16:46,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (1/1) ... [2024-11-10 06:16:46,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (1/1) ... [2024-11-10 06:16:46,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (1/1) ... [2024-11-10 06:16:46,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:16:46,549 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:16:46,550 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:16:46,550 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:16:46,551 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (1/1) ... [2024-11-10 06:16:46,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:16:46,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:16:46,598 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 06:16:46,603 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 06:16:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:16:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:16:46,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:16:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 06:16:46,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:16:46,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:16:46,806 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:16:46,809 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:16:47,384 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L207: havoc property_#t~bitwise30#1; [2024-11-10 06:16:47,457 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-10 06:16:47,457 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:16:47,499 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:16:47,500 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 06:16:47,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:16:47 BoogieIcfgContainer [2024-11-10 06:16:47,502 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:16:47,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:16:47,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:16:47,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:16:47,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:16:45" (1/3) ... [2024-11-10 06:16:47,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afa48c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:16:47, skipping insertion in model container [2024-11-10 06:16:47,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:16:46" (2/3) ... [2024-11-10 06:16:47,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afa48c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:16:47, skipping insertion in model container [2024-11-10 06:16:47,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:16:47" (3/3) ... [2024-11-10 06:16:47,517 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-98.i [2024-11-10 06:16:47,541 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:16:47,542 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:16:47,636 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:16:47,645 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;@18ae2884, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:16:47,646 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:16:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 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 06:16:47,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 06:16:47,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:16:47,678 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 06:16:47,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:16:47,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:16:47,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1684153970, now seen corresponding path program 1 times [2024-11-10 06:16:47,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:16:47,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903168504] [2024-11-10 06:16:47,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:16:47,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:16:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:16:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:16:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 06:16:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:16:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 06:16:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 06:16:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 06:16:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:16:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:16:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:16:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:16:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:16:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:16:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:16:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:16:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:16:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:16:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:16:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:16:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:16:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:16:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:16:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:16:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:16:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 06:16:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:16:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 06:16:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:16:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 06:16:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:16:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 06:16:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 06:16:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 06:16:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 06:16:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 06:16:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 06:16:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 06:16:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 06:16:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 06:16:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 06:16:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 06:16:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 06:16:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:48,590 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 06:16:48,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:16:48,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903168504] [2024-11-10 06:16:48,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903168504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:16:48,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:16:48,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 06:16:48,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936028890] [2024-11-10 06:16:48,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:16:48,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 06:16:48,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:16:48,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 06:16:48,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:16:48,644 INFO L87 Difference]: Start difference. First operand has 121 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 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 06:16:48,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:16:48,702 INFO L93 Difference]: Finished difference Result 234 states and 415 transitions. [2024-11-10 06:16:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 06:16:48,705 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 06:16:48,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:16:48,717 INFO L225 Difference]: With dead ends: 234 [2024-11-10 06:16:48,717 INFO L226 Difference]: Without dead ends: 116 [2024-11-10 06:16:48,724 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 06:16:48,731 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:16:48,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:16:48,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-10 06:16:48,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-10 06:16:48,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 72 states have internal predecessors, (98), 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 06:16:48,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 182 transitions. [2024-11-10 06:16:48,812 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 182 transitions. Word has length 263 [2024-11-10 06:16:48,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:16:48,813 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 182 transitions. [2024-11-10 06:16:48,813 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 06:16:48,814 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 182 transitions. [2024-11-10 06:16:48,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 06:16:48,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:16:48,825 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 06:16:48,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 06:16:48,826 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:16:48,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:16:48,827 INFO L85 PathProgramCache]: Analyzing trace with hash 2061363886, now seen corresponding path program 1 times [2024-11-10 06:16:48,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:16:48,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381753917] [2024-11-10 06:16:48,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:16:48,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:16:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:16:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:16:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 06:16:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:16:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 06:16:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 06:16:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 06:16:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:16:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:16:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:16:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:16:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:16:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:16:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:16:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:16:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:49,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:16:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:16:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:16:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:16:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:16:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:16:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:16:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:16:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:16:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 06:16:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:16:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 06:16:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:16:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 06:16:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:16:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 06:16:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 06:16:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 06:16:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 06:16:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 06:16:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 06:16:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 06:16:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 06:16:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 06:16:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 06:16:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 06:16:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 06:16:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:50,190 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 06:16:50,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:16:50,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381753917] [2024-11-10 06:16:50,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381753917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:16:50,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:16:50,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:16:50,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114151716] [2024-11-10 06:16:50,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:16:50,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:16:50,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:16:50,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:16:50,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:16:50,196 INFO L87 Difference]: Start difference. First operand 116 states and 182 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 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 06:16:50,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:16:50,375 INFO L93 Difference]: Finished difference Result 343 states and 542 transitions. [2024-11-10 06:16:50,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:16:50,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 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 06:16:50,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:16:50,380 INFO L225 Difference]: With dead ends: 343 [2024-11-10 06:16:50,381 INFO L226 Difference]: Without dead ends: 230 [2024-11-10 06:16:50,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 06:16:50,383 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 107 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:16:50,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 677 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:16:50,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-10 06:16:50,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2024-11-10 06:16:50,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 140 states have (on average 1.3714285714285714) internal successors, (192), 140 states have internal predecessors, (192), 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 06:16:50,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 360 transitions. [2024-11-10 06:16:50,426 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 360 transitions. Word has length 263 [2024-11-10 06:16:50,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:16:50,427 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 360 transitions. [2024-11-10 06:16:50,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 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 06:16:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 360 transitions. [2024-11-10 06:16:50,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 06:16:50,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:16:50,456 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 06:16:50,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 06:16:50,457 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:16:50,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:16:50,457 INFO L85 PathProgramCache]: Analyzing trace with hash -42118003, now seen corresponding path program 1 times [2024-11-10 06:16:50,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:16:50,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848909164] [2024-11-10 06:16:50,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:16:50,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:16:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:16:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:16:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 06:16:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:16:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 06:16:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 06:16:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 06:16:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:16:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:16:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:16:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:16:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:16:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:16:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:16:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:16:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:16:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:16:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:16:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:16:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:16:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:16:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:16:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:16:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:16:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 06:16:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:16:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 06:16:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:16:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 06:16:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:16:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 06:16:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 06:16:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 06:16:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 06:16:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 06:16:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 06:16:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 06:16:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 06:16:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 06:16:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 06:16:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 06:16:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 06:16:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:51,864 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 06:16:51,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:16:51,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848909164] [2024-11-10 06:16:51,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848909164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:16:51,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:16:51,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:16:51,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705852888] [2024-11-10 06:16:51,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:16:51,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:16:51,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:16:51,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:16:51,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:16:51,873 INFO L87 Difference]: Start difference. First operand 227 states and 360 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 06:16:52,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:16:52,414 INFO L93 Difference]: Finished difference Result 543 states and 862 transitions. [2024-11-10 06:16:52,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:16:52,415 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 06:16:52,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:16:52,428 INFO L225 Difference]: With dead ends: 543 [2024-11-10 06:16:52,428 INFO L226 Difference]: Without dead ends: 319 [2024-11-10 06:16:52,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 06:16:52,436 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 191 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 06:16:52,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 546 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 06:16:52,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-10 06:16:52,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 227. [2024-11-10 06:16:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 140 states have (on average 1.3642857142857143) internal successors, (191), 140 states have internal predecessors, (191), 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 06:16:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 359 transitions. [2024-11-10 06:16:52,512 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 359 transitions. Word has length 263 [2024-11-10 06:16:52,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:16:52,515 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 359 transitions. [2024-11-10 06:16:52,516 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 06:16:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 359 transitions. [2024-11-10 06:16:52,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 06:16:52,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:16:52,524 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 06:16:52,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 06:16:52,525 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:16:52,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:16:52,525 INFO L85 PathProgramCache]: Analyzing trace with hash -335521010, now seen corresponding path program 1 times [2024-11-10 06:16:52,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:16:52,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373263714] [2024-11-10 06:16:52,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:16:52,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:16:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:16:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:16:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 06:16:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:16:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 06:16:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 06:16:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 06:16:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:16:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:16:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:16:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:16:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:16:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:16:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:16:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:16:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:16:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:16:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:16:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:16:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:16:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:16:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:16:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:16:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:16:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 06:16:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:16:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 06:16:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:16:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 06:16:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:16:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 06:16:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 06:16:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 06:16:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 06:16:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 06:16:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 06:16:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 06:16:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 06:16:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 06:16:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 06:16:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 06:16:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 06:16:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:54,293 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 06:16:54,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:16:54,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373263714] [2024-11-10 06:16:54,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373263714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:16:54,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:16:54,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 06:16:54,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885551861] [2024-11-10 06:16:54,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:16:54,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 06:16:54,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:16:54,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 06:16:54,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 06:16:54,297 INFO L87 Difference]: Start difference. First operand 227 states and 359 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 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 06:16:55,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:16:55,440 INFO L93 Difference]: Finished difference Result 618 states and 968 transitions. [2024-11-10 06:16:55,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 06:16:55,441 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 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 06:16:55,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:16:55,446 INFO L225 Difference]: With dead ends: 618 [2024-11-10 06:16:55,446 INFO L226 Difference]: Without dead ends: 394 [2024-11-10 06:16:55,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-10 06:16:55,449 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 305 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:16:55,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 764 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 06:16:55,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-10 06:16:55,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 382. [2024-11-10 06:16:55,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 231 states have (on average 1.341991341991342) internal successors, (310), 232 states have internal predecessors, (310), 146 states have call successors, (146), 4 states have call predecessors, (146), 4 states have return successors, (146), 145 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-10 06:16:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 602 transitions. [2024-11-10 06:16:55,519 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 602 transitions. Word has length 263 [2024-11-10 06:16:55,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:16:55,521 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 602 transitions. [2024-11-10 06:16:55,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 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 06:16:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 602 transitions. [2024-11-10 06:16:55,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 06:16:55,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:16:55,528 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 06:16:55,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 06:16:55,528 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:16:55,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:16:55,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1407289325, now seen corresponding path program 1 times [2024-11-10 06:16:55,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:16:55,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18259739] [2024-11-10 06:16:55,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:16:55,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:16:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:55,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:16:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:55,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:16:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:55,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 06:16:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:55,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:16:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:55,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 06:16:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:55,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 06:16:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:55,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 06:16:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:16:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:16:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:16:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:16:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:16:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:16:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:16:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:16:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:16:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:16:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:16:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:16:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:16:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:16:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 06:16:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 06:16:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 06:16:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 06:16:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 06:16:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 06:16:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 06:16:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 06:16:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 06:16:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 06:16:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 06:16:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 06:16:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 06:16:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 06:16:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 06:16:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 06:16:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 06:16:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 06:16:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 06:16:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 06:16:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 06:16:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:16:56,110 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 06:16:56,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:16:56,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18259739] [2024-11-10 06:16:56,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18259739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:16:56,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:16:56,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:16:56,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166581961] [2024-11-10 06:16:56,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:16:56,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:16:56,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:16:56,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:16:56,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:16:56,115 INFO L87 Difference]: Start difference. First operand 382 states and 602 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 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 06:16:56,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:16:56,170 INFO L93 Difference]: Finished difference Result 764 states and 1207 transitions. [2024-11-10 06:16:56,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:16:56,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 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 06:16:56,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:16:56,181 INFO L225 Difference]: With dead ends: 764 [2024-11-10 06:16:56,182 INFO L226 Difference]: Without dead ends: 385 [2024-11-10 06:16:56,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:16:56,189 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:16:56,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 349 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:16:56,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-10 06:16:56,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2024-11-10 06:16:56,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 234 states have (on average 1.3376068376068375) internal successors, (313), 235 states have internal predecessors, (313), 146 states have call successors, (146), 4 states have call predecessors, (146), 4 states have return successors, (146), 145 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-10 06:16:56,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 605 transitions. [2024-11-10 06:16:56,273 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 605 transitions. Word has length 263 [2024-11-10 06:16:56,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:16:56,273 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 605 transitions. [2024-11-10 06:16:56,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 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 06:16:56,274 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 605 transitions. [2024-11-10 06:16:56,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 06:16:56,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:16:56,278 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 06:16:56,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 06:16:56,278 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:16:56,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:16:56,279 INFO L85 PathProgramCache]: Analyzing trace with hash -106490037, now seen corresponding path program 1 times [2024-11-10 06:16:56,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:16:56,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684190137] [2024-11-10 06:16:56,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:16:56,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:16:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat