./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-52.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-pe-cn_file-52.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 ec4a99a42fc6f0ccec68ba89670f2fae39f650d22bb1f7fba4edc18d487cd200 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:07:00,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:07:00,640 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:07:00,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:07:00,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:07:00,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:07:00,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:07:00,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:07:00,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:07:00,681 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:07:00,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:07:00,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:07:00,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:07:00,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:07:00,684 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:07:00,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:07:00,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:07:00,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:07:00,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:07:00,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:07:00,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:07:00,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:07:00,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:07:00,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:07:00,691 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:07:00,691 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:07:00,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:07:00,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:07:00,692 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:07:00,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:07:00,693 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:07:00,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:07:00,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:07:00,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:07:00,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:07:00,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:07:00,694 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:07:00,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:07:00,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:07:00,695 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:07:00,696 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:07:00,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:07:00,696 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec4a99a42fc6f0ccec68ba89670f2fae39f650d22bb1f7fba4edc18d487cd200 [2024-11-10 05:07:00,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:07:00,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:07:00,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:07:00,989 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:07:00,990 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:07:00,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-52.i [2024-11-10 05:07:02,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:07:02,772 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:07:02,773 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-52.i [2024-11-10 05:07:02,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd1eb4875/f4364e13a1804cb38b4eb8983081284c/FLAG811ac389d [2024-11-10 05:07:02,801 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd1eb4875/f4364e13a1804cb38b4eb8983081284c [2024-11-10 05:07:02,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:07:02,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:07:02,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:07:02,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:07:02,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:07:02,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:07:02" (1/1) ... [2024-11-10 05:07:02,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723b9133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:02, skipping insertion in model container [2024-11-10 05:07:02,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:07:02" (1/1) ... [2024-11-10 05:07:02,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:07:03,022 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-pe-cn_file-52.i[919,932] [2024-11-10 05:07:03,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:07:03,122 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:07:03,134 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-pe-cn_file-52.i[919,932] [2024-11-10 05:07:03,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:07:03,198 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:07:03,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03 WrapperNode [2024-11-10 05:07:03,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:07:03,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:07:03,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:07:03,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:07:03,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (1/1) ... [2024-11-10 05:07:03,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (1/1) ... [2024-11-10 05:07:03,267 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 246 [2024-11-10 05:07:03,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:07:03,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:07:03,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:07:03,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:07:03,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (1/1) ... [2024-11-10 05:07:03,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (1/1) ... [2024-11-10 05:07:03,287 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (1/1) ... [2024-11-10 05:07:03,306 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 05:07:03,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (1/1) ... [2024-11-10 05:07:03,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (1/1) ... [2024-11-10 05:07:03,321 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (1/1) ... [2024-11-10 05:07:03,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (1/1) ... [2024-11-10 05:07:03,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (1/1) ... [2024-11-10 05:07:03,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (1/1) ... [2024-11-10 05:07:03,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:07:03,343 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:07:03,343 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:07:03,343 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:07:03,347 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (1/1) ... [2024-11-10 05:07:03,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:07:03,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:07:03,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 05:07:03,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 05:07:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:07:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:07:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:07:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:07:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:07:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:07:03,509 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:07:03,511 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:07:03,924 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-10 05:07:03,924 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:07:03,955 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:07:03,955 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 05:07:03,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:07:03 BoogieIcfgContainer [2024-11-10 05:07:03,956 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:07:03,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:07:03,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:07:03,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:07:03,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:07:02" (1/3) ... [2024-11-10 05:07:03,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f69387c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:07:03, skipping insertion in model container [2024-11-10 05:07:03,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:03" (2/3) ... [2024-11-10 05:07:03,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f69387c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:07:03, skipping insertion in model container [2024-11-10 05:07:03,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:07:03" (3/3) ... [2024-11-10 05:07:03,965 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-52.i [2024-11-10 05:07:03,985 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:07:03,985 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:07:04,068 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:07:04,076 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;@396dcd00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:07:04,076 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:07:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 71 states have (on average 1.408450704225352) internal successors, (100), 72 states have internal predecessors, (100), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 05:07:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-10 05:07:04,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:07:04,097 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:07:04,098 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:07:04,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:07:04,102 INFO L85 PathProgramCache]: Analyzing trace with hash 20757768, now seen corresponding path program 1 times [2024-11-10 05:07:04,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:07:04,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537452343] [2024-11-10 05:07:04,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:07:04,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:07:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:07:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:07:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:07:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:07:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:07:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:07:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:07:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:07:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:07:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:07:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:07:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:07:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:07:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:07:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:07:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:07:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:07:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:07:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:07:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:07:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:07:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:07:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:07:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:07:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:07:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:07:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:07:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:07:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:07:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:07:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:07:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:07:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:07:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 05:07:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:04,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 05:07:04,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:07:04,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537452343] [2024-11-10 05:07:04,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537452343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:07:04,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:07:04,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 05:07:04,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226595282] [2024-11-10 05:07:04,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:07:04,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 05:07:04,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:07:04,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 05:07:04,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:07:04,795 INFO L87 Difference]: Start difference. First operand has 108 states, 71 states have (on average 1.408450704225352) internal successors, (100), 72 states have internal predecessors, (100), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 05:07:04,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:07:04,850 INFO L93 Difference]: Finished difference Result 208 states and 363 transitions. [2024-11-10 05:07:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 05:07:04,853 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 220 [2024-11-10 05:07:04,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:07:04,861 INFO L225 Difference]: With dead ends: 208 [2024-11-10 05:07:04,861 INFO L226 Difference]: Without dead ends: 103 [2024-11-10 05:07:04,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:07:04,872 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:07:04,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:07:04,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-10 05:07:04,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-10 05:07:04,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 05:07:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 160 transitions. [2024-11-10 05:07:04,940 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 160 transitions. Word has length 220 [2024-11-10 05:07:04,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:07:04,941 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 160 transitions. [2024-11-10 05:07:04,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 05:07:04,942 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2024-11-10 05:07:04,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-10 05:07:04,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:07:04,951 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:07:04,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:07:04,952 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:07:04,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:07:04,952 INFO L85 PathProgramCache]: Analyzing trace with hash 813437450, now seen corresponding path program 1 times [2024-11-10 05:07:04,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:07:04,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131250517] [2024-11-10 05:07:04,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:07:04,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:07:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:07:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:07:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:07:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:07:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:07:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:07:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:07:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:07:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:07:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:07:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:07:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:07:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:07:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:07:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:07:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:07:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:07:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:07:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:07:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:07:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:07:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:07:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:07:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:07:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:07:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:07:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:07:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:07:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:07:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:07:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:07:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:07:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:07:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 05:07:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 05:07:05,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:07:05,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131250517] [2024-11-10 05:07:05,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131250517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:07:05,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:07:05,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 05:07:05,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853680570] [2024-11-10 05:07:05,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:07:05,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 05:07:05,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:07:05,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 05:07:05,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:07:05,867 INFO L87 Difference]: Start difference. First operand 103 states and 160 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 05:07:06,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:07:06,153 INFO L93 Difference]: Finished difference Result 260 states and 403 transitions. [2024-11-10 05:07:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 05:07:06,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-10 05:07:06,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:07:06,163 INFO L225 Difference]: With dead ends: 260 [2024-11-10 05:07:06,164 INFO L226 Difference]: Without dead ends: 160 [2024-11-10 05:07:06,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 05:07:06,166 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 83 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:07:06,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 562 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 05:07:06,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-10 05:07:06,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 156. [2024-11-10 05:07:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 103 states have (on average 1.3786407766990292) internal successors, (142), 104 states have internal predecessors, (142), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-10 05:07:06,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 242 transitions. [2024-11-10 05:07:06,194 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 242 transitions. Word has length 220 [2024-11-10 05:07:06,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:07:06,195 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 242 transitions. [2024-11-10 05:07:06,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 05:07:06,196 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 242 transitions. [2024-11-10 05:07:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-10 05:07:06,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:07:06,199 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:07:06,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:07:06,200 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:07:06,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:07:06,200 INFO L85 PathProgramCache]: Analyzing trace with hash 520034443, now seen corresponding path program 1 times [2024-11-10 05:07:06,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:07:06,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770281985] [2024-11-10 05:07:06,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:07:06,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:07:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:07:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:07:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:07:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:07:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:07:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:07:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:07:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:07:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:07:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:07:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:07:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:07:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:07:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:07:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:07:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:07:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:07:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:07:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:07:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:07:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:07:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:07:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:07:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:07:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:07:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:07:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:07:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:07:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:07:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:07:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:07:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:07:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:07:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 05:07:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:06,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 05:07:06,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:07:06,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770281985] [2024-11-10 05:07:06,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770281985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:07:06,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:07:06,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:07:06,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099750393] [2024-11-10 05:07:06,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:07:06,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:07:06,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:07:06,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:07:06,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:07:06,630 INFO L87 Difference]: Start difference. First operand 156 states and 242 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 05:07:06,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:07:06,696 INFO L93 Difference]: Finished difference Result 413 states and 640 transitions. [2024-11-10 05:07:06,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:07:06,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-10 05:07:06,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:07:06,705 INFO L225 Difference]: With dead ends: 413 [2024-11-10 05:07:06,706 INFO L226 Difference]: Without dead ends: 260 [2024-11-10 05:07:06,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 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 05:07:06,710 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 75 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:07:06,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 352 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:07:06,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-10 05:07:06,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 256. [2024-11-10 05:07:06,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 167 states have (on average 1.3652694610778444) internal successors, (228), 170 states have internal predecessors, (228), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 81 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 05:07:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 396 transitions. [2024-11-10 05:07:06,755 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 396 transitions. Word has length 220 [2024-11-10 05:07:06,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:07:06,755 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 396 transitions. [2024-11-10 05:07:06,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 05:07:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 396 transitions. [2024-11-10 05:07:06,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-10 05:07:06,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:07:06,760 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:07:06,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 05:07:06,760 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:07:06,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:07:06,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1766093847, now seen corresponding path program 1 times [2024-11-10 05:07:06,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:07:06,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725433559] [2024-11-10 05:07:06,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:07:06,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:07:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:07:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:07:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:07:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:07:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:07:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:07:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:07:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:07:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:07:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:07:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:07:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:07:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:07:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:07:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:07:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:07:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:07:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:07:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:07:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:07:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:07:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:07:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:07:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:07:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:07:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:07:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:07:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:07:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:07:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:07:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:07:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:07:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:07:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 05:07:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 05:07:20,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:07:20,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725433559] [2024-11-10 05:07:20,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725433559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:07:20,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:07:20,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 05:07:20,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456571385] [2024-11-10 05:07:20,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:07:20,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 05:07:20,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:07:20,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 05:07:20,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-10 05:07:20,609 INFO L87 Difference]: Start difference. First operand 256 states and 396 transitions. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 05:07:25,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:07:25,072 INFO L93 Difference]: Finished difference Result 1267 states and 1971 transitions. [2024-11-10 05:07:25,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-10 05:07:25,075 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 221 [2024-11-10 05:07:25,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:07:25,083 INFO L225 Difference]: With dead ends: 1267 [2024-11-10 05:07:25,083 INFO L226 Difference]: Without dead ends: 1264 [2024-11-10 05:07:25,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=488, Invalid=1318, Unknown=0, NotChecked=0, Total=1806 [2024-11-10 05:07:25,086 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 1098 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 05:07:25,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 1356 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 05:07:25,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2024-11-10 05:07:25,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 682. [2024-11-10 05:07:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 505 states have (on average 1.4475247524752475) internal successors, (731), 511 states have internal predecessors, (731), 168 states have call successors, (168), 8 states have call predecessors, (168), 8 states have return successors, (168), 162 states have call predecessors, (168), 168 states have call successors, (168) [2024-11-10 05:07:25,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1067 transitions. [2024-11-10 05:07:25,183 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1067 transitions. Word has length 221 [2024-11-10 05:07:25,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:07:25,184 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 1067 transitions. [2024-11-10 05:07:25,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 05:07:25,184 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1067 transitions. [2024-11-10 05:07:25,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-10 05:07:25,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:07:25,188 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:07:25,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 05:07:25,188 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:07:25,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:07:25,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1699087094, now seen corresponding path program 1 times [2024-11-10 05:07:25,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:07:25,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527542399] [2024-11-10 05:07:25,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:07:25,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:07:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:07:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:07:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:07:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:07:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:07:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 05:07:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 05:07:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:07:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:07:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:07:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:07:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:07:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:07:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:07:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:07:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:07:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:07:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:07:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:07:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:07:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:07:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:07:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:07:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:07:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:07:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:07:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:07:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:07:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 05:07:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:07:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:07:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:07:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:07:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 05:07:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:07:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 05:07:25,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:07:25,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527542399] [2024-11-10 05:07:25,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527542399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:07:25,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:07:25,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:07:25,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095961854] [2024-11-10 05:07:25,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:07:25,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:07:25,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:07:25,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:07:25,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:07:25,470 INFO L87 Difference]: Start difference. First operand 682 states and 1067 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 05:07:25,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:07:25,692 INFO L93 Difference]: Finished difference Result 1989 states and 3135 transitions. [2024-11-10 05:07:25,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:07:25,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-10 05:07:25,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:07:25,702 INFO L225 Difference]: With dead ends: 1989 [2024-11-10 05:07:25,702 INFO L226 Difference]: Without dead ends: 1310 [2024-11-10 05:07:25,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:07:25,706 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 206 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:07:25,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 604 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 05:07:25,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2024-11-10 05:07:25,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 747. [2024-11-10 05:07:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 534 states have (on average 1.4232209737827715) internal successors, (760), 541 states have internal predecessors, (760), 202 states have call successors, (202), 10 states have call predecessors, (202), 10 states have return successors, (202), 195 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-10 05:07:25,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1164 transitions. [2024-11-10 05:07:25,810 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1164 transitions. Word has length 221 [2024-11-10 05:07:25,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:07:25,811 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1164 transitions. [2024-11-10 05:07:25,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-10 05:07:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1164 transitions. [2024-11-10 05:07:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-10 05:07:25,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:07:25,815 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:07:25,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 05:07:25,816 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:07:25,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:07:25,816 INFO L85 PathProgramCache]: Analyzing trace with hash -445129002, now seen corresponding path program 1 times [2024-11-10 05:07:25,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:07:25,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562219626] [2024-11-10 05:07:25,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:07:25,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:07:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat