./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.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 48c0e642396cb981ec97788bf4c6fd139bd12f99e5b4ac8264222e0d2b78e970 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:02:27,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:02:27,927 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 06:02:27,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:02:27,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:02:27,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:02:27,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:02:27,962 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:02:27,962 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:02:27,963 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:02:27,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:02:27,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:02:27,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:02:27,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:02:27,966 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:02:27,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:02:27,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:02:27,967 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:02:27,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 06:02:27,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:02:27,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:02:27,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:02:27,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:02:27,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:02:27,970 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:02:27,970 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:02:27,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:02:27,971 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:02:27,971 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:02:27,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:02:27,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:02:27,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:02:27,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:02:27,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:02:27,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:02:27,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:02:27,972 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 06:02:27,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 06:02:27,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:02:27,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:02:27,973 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:02:27,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:02:27,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48c0e642396cb981ec97788bf4c6fd139bd12f99e5b4ac8264222e0d2b78e970 [2024-11-10 06:02:28,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:02:28,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:02:28,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:02:28,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:02:28,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:02:28,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i [2024-11-10 06:02:29,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:02:29,676 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:02:29,676 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i [2024-11-10 06:02:29,687 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a4063357/f9729a92701f48c781e8a95058f0df19/FLAGdc157edfa [2024-11-10 06:02:30,070 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a4063357/f9729a92701f48c781e8a95058f0df19 [2024-11-10 06:02:30,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:02:30,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:02:30,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:02:30,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:02:30,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:02:30,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217884ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30, skipping insertion in model container [2024-11-10 06:02:30,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:02:30,251 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i[919,932] [2024-11-10 06:02:30,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:02:30,309 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:02:30,318 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i[919,932] [2024-11-10 06:02:30,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:02:30,358 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:02:30,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30 WrapperNode [2024-11-10 06:02:30,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:02:30,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:02:30,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:02:30,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:02:30,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,403 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-11-10 06:02:30,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:02:30,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:02:30,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:02:30,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:02:30,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,439 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 06:02:30,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,446 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:02:30,451 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:02:30,452 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:02:30,452 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:02:30,453 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (1/1) ... [2024-11-10 06:02:30,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:02:30,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:02:30,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 06:02:30,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 06:02:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:02:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:02:30,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:02:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 06:02:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:02:30,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:02:30,647 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:02:30,648 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:02:30,961 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-10 06:02:30,962 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:02:30,975 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:02:30,976 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 06:02:30,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:02:30 BoogieIcfgContainer [2024-11-10 06:02:30,977 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:02:30,979 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:02:30,980 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:02:30,982 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:02:30,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:02:30" (1/3) ... [2024-11-10 06:02:30,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b201af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:02:30, skipping insertion in model container [2024-11-10 06:02:30,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:30" (2/3) ... [2024-11-10 06:02:30,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b201af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:02:30, skipping insertion in model container [2024-11-10 06:02:30,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:02:30" (3/3) ... [2024-11-10 06:02:30,985 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i [2024-11-10 06:02:30,999 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:02:30,999 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:02:31,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:02:31,055 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;@44b12ed5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:02:31,056 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:02:31,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 61 states have internal predecessors, (88), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-10 06:02:31,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 06:02:31,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:31,076 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:31,077 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:31,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:31,081 INFO L85 PathProgramCache]: Analyzing trace with hash 483376776, now seen corresponding path program 1 times [2024-11-10 06:02:31,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:31,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216080776] [2024-11-10 06:02:31,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:31,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:31,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:31,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216080776] [2024-11-10 06:02:31,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216080776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:31,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:31,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:02:31,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656198524] [2024-11-10 06:02:31,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:31,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:02:31,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:31,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:02:31,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:02:31,768 INFO L87 Difference]: Start difference. First operand has 85 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 61 states have internal predecessors, (88), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 06:02:31,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:02:31,944 INFO L93 Difference]: Finished difference Result 218 states and 379 transitions. [2024-11-10 06:02:31,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:02:31,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 152 [2024-11-10 06:02:31,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:02:31,957 INFO L225 Difference]: With dead ends: 218 [2024-11-10 06:02:31,957 INFO L226 Difference]: Without dead ends: 136 [2024-11-10 06:02:31,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:02:31,967 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 212 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:02:31,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 219 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:02:31,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-10 06:02:32,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 132. [2024-11-10 06:02:32,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 97 states have (on average 1.4536082474226804) internal successors, (141), 98 states have internal predecessors, (141), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-10 06:02:32,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 205 transitions. [2024-11-10 06:02:32,023 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 205 transitions. Word has length 152 [2024-11-10 06:02:32,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:02:32,024 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 205 transitions. [2024-11-10 06:02:32,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 06:02:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 205 transitions. [2024-11-10 06:02:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-10 06:02:32,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:32,027 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:32,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 06:02:32,028 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:32,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:32,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1554679513, now seen corresponding path program 1 times [2024-11-10 06:02:32,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:32,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467012750] [2024-11-10 06:02:32,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:32,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:32,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:32,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467012750] [2024-11-10 06:02:32,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467012750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:32,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:32,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:02:32,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441545901] [2024-11-10 06:02:32,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:32,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:02:32,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:32,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:02:32,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:02:32,450 INFO L87 Difference]: Start difference. First operand 132 states and 205 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:32,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:02:32,592 INFO L93 Difference]: Finished difference Result 378 states and 600 transitions. [2024-11-10 06:02:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:02:32,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-10 06:02:32,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:02:32,596 INFO L225 Difference]: With dead ends: 378 [2024-11-10 06:02:32,598 INFO L226 Difference]: Without dead ends: 249 [2024-11-10 06:02:32,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:02:32,602 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 89 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:02:32,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 317 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:02:32,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-10 06:02:32,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 183. [2024-11-10 06:02:32,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 125 states have (on average 1.392) internal successors, (174), 126 states have internal predecessors, (174), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-10 06:02:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 282 transitions. [2024-11-10 06:02:32,636 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 282 transitions. Word has length 152 [2024-11-10 06:02:32,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:02:32,636 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 282 transitions. [2024-11-10 06:02:32,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:32,636 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 282 transitions. [2024-11-10 06:02:32,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 06:02:32,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:32,642 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:32,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 06:02:32,642 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:32,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:32,642 INFO L85 PathProgramCache]: Analyzing trace with hash -752861022, now seen corresponding path program 1 times [2024-11-10 06:02:32,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:32,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482830232] [2024-11-10 06:02:32,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:32,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:35,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:35,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482830232] [2024-11-10 06:02:35,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482830232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:35,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:35,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 06:02:35,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030078734] [2024-11-10 06:02:35,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:35,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 06:02:35,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:35,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 06:02:35,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-10 06:02:35,916 INFO L87 Difference]: Start difference. First operand 183 states and 282 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:36,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:02:36,851 INFO L93 Difference]: Finished difference Result 521 states and 761 transitions. [2024-11-10 06:02:36,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 06:02:36,852 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-10 06:02:36,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:02:36,854 INFO L225 Difference]: With dead ends: 521 [2024-11-10 06:02:36,857 INFO L226 Difference]: Without dead ends: 392 [2024-11-10 06:02:36,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=172, Invalid=334, Unknown=0, NotChecked=0, Total=506 [2024-11-10 06:02:36,859 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 480 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 06:02:36,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 632 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 06:02:36,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-10 06:02:36,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 275. [2024-11-10 06:02:36,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 207 states have (on average 1.4154589371980677) internal successors, (293), 210 states have internal predecessors, (293), 60 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 57 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 06:02:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 413 transitions. [2024-11-10 06:02:36,885 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 413 transitions. Word has length 153 [2024-11-10 06:02:36,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:02:36,886 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 413 transitions. [2024-11-10 06:02:36,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 413 transitions. [2024-11-10 06:02:36,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 06:02:36,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:36,888 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:36,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 06:02:36,888 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:36,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:36,889 INFO L85 PathProgramCache]: Analyzing trace with hash -724231871, now seen corresponding path program 1 times [2024-11-10 06:02:36,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:36,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223901161] [2024-11-10 06:02:36,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:36,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:40,499 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:40,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:40,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223901161] [2024-11-10 06:02:40,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223901161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:40,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:40,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 06:02:40,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258435893] [2024-11-10 06:02:40,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:40,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 06:02:40,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:40,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 06:02:40,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2024-11-10 06:02:40,501 INFO L87 Difference]: Start difference. First operand 275 states and 413 transitions. Second operand has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:41,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:02:41,577 INFO L93 Difference]: Finished difference Result 392 states and 551 transitions. [2024-11-10 06:02:41,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 06:02:41,581 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-10 06:02:41,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:02:41,584 INFO L225 Difference]: With dead ends: 392 [2024-11-10 06:02:41,584 INFO L226 Difference]: Without dead ends: 389 [2024-11-10 06:02:41,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2024-11-10 06:02:41,588 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 393 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 06:02:41,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 718 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 06:02:41,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-10 06:02:41,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 275. [2024-11-10 06:02:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 207 states have (on average 1.4154589371980677) internal successors, (293), 210 states have internal predecessors, (293), 60 states have call successors, (60), 7 states have call predecessors, (60), 7 states have return successors, (60), 57 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-10 06:02:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 413 transitions. [2024-11-10 06:02:41,615 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 413 transitions. Word has length 153 [2024-11-10 06:02:41,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:02:41,616 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 413 transitions. [2024-11-10 06:02:41,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:41,616 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 413 transitions. [2024-11-10 06:02:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 06:02:41,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:41,618 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:41,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 06:02:41,619 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:41,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:41,619 INFO L85 PathProgramCache]: Analyzing trace with hash -949374527, now seen corresponding path program 1 times [2024-11-10 06:02:41,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:41,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586890089] [2024-11-10 06:02:41,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:41,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:44,037 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:44,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:44,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586890089] [2024-11-10 06:02:44,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586890089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:44,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:44,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 06:02:44,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185202195] [2024-11-10 06:02:44,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:44,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 06:02:44,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:44,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 06:02:44,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-10 06:02:44,039 INFO L87 Difference]: Start difference. First operand 275 states and 413 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:45,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:02:45,398 INFO L93 Difference]: Finished difference Result 407 states and 568 transitions. [2024-11-10 06:02:45,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 06:02:45,401 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-10 06:02:45,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:02:45,403 INFO L225 Difference]: With dead ends: 407 [2024-11-10 06:02:45,403 INFO L226 Difference]: Without dead ends: 404 [2024-11-10 06:02:45,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=246, Invalid=566, Unknown=0, NotChecked=0, Total=812 [2024-11-10 06:02:45,404 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 460 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 06:02:45,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 710 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 06:02:45,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-10 06:02:45,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 286. [2024-11-10 06:02:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 215 states have (on average 1.4093023255813955) internal successors, (303), 218 states have internal predecessors, (303), 62 states have call successors, (62), 8 states have call predecessors, (62), 8 states have return successors, (62), 59 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 06:02:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 427 transitions. [2024-11-10 06:02:45,428 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 427 transitions. Word has length 153 [2024-11-10 06:02:45,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:02:45,428 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 427 transitions. [2024-11-10 06:02:45,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 427 transitions. [2024-11-10 06:02:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 06:02:45,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:45,430 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:45,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 06:02:45,430 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:45,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:45,431 INFO L85 PathProgramCache]: Analyzing trace with hash -920745376, now seen corresponding path program 1 times [2024-11-10 06:02:45,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:45,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902853375] [2024-11-10 06:02:45,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:45,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:49,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:49,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902853375] [2024-11-10 06:02:49,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902853375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:49,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:49,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 06:02:49,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652753383] [2024-11-10 06:02:49,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:49,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 06:02:49,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:49,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 06:02:49,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2024-11-10 06:02:49,912 INFO L87 Difference]: Start difference. First operand 286 states and 427 transitions. Second operand has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:51,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:02:51,171 INFO L93 Difference]: Finished difference Result 403 states and 564 transitions. [2024-11-10 06:02:51,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 06:02:51,172 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-10 06:02:51,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:02:51,174 INFO L225 Difference]: With dead ends: 403 [2024-11-10 06:02:51,174 INFO L226 Difference]: Without dead ends: 400 [2024-11-10 06:02:51,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2024-11-10 06:02:51,175 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 462 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 06:02:51,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 739 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 06:02:51,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-10 06:02:51,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 282. [2024-11-10 06:02:51,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 211 states have (on average 1.4075829383886256) internal successors, (297), 214 states have internal predecessors, (297), 62 states have call successors, (62), 8 states have call predecessors, (62), 8 states have return successors, (62), 59 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-10 06:02:51,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 421 transitions. [2024-11-10 06:02:51,190 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 421 transitions. Word has length 153 [2024-11-10 06:02:51,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:02:51,190 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 421 transitions. [2024-11-10 06:02:51,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 421 transitions. [2024-11-10 06:02:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 06:02:51,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:51,192 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:51,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 06:02:51,192 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:51,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:51,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1046264029, now seen corresponding path program 1 times [2024-11-10 06:02:51,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:51,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755463831] [2024-11-10 06:02:51,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:51,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,253 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:51,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:51,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755463831] [2024-11-10 06:02:51,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755463831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:51,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:51,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:02:51,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434418892] [2024-11-10 06:02:51,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:51,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:02:51,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:51,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:02:51,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:02:51,255 INFO L87 Difference]: Start difference. First operand 282 states and 421 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:51,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:02:51,298 INFO L93 Difference]: Finished difference Result 698 states and 1053 transitions. [2024-11-10 06:02:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:02:51,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-10 06:02:51,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:02:51,301 INFO L225 Difference]: With dead ends: 698 [2024-11-10 06:02:51,301 INFO L226 Difference]: Without dead ends: 478 [2024-11-10 06:02:51,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:02:51,304 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 107 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:02:51,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 329 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:02:51,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-10 06:02:51,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 475. [2024-11-10 06:02:51,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 359 states have (on average 1.3621169916434541) internal successors, (489), 365 states have internal predecessors, (489), 102 states have call successors, (102), 13 states have call predecessors, (102), 13 states have return successors, (102), 96 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-10 06:02:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 693 transitions. [2024-11-10 06:02:51,335 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 693 transitions. Word has length 153 [2024-11-10 06:02:51,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:02:51,335 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 693 transitions. [2024-11-10 06:02:51,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:51,336 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 693 transitions. [2024-11-10 06:02:51,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 06:02:51,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:51,337 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:51,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 06:02:51,337 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:51,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:51,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1441248804, now seen corresponding path program 1 times [2024-11-10 06:02:51,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:51,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209822086] [2024-11-10 06:02:51,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:51,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,458 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:51,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:51,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209822086] [2024-11-10 06:02:51,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209822086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:51,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:51,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:02:51,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811278417] [2024-11-10 06:02:51,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:51,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:02:51,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:51,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:02:51,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:02:51,462 INFO L87 Difference]: Start difference. First operand 475 states and 693 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:51,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:02:51,634 INFO L93 Difference]: Finished difference Result 1226 states and 1775 transitions. [2024-11-10 06:02:51,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:02:51,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-10 06:02:51,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:02:51,641 INFO L225 Difference]: With dead ends: 1226 [2024-11-10 06:02:51,641 INFO L226 Difference]: Without dead ends: 813 [2024-11-10 06:02:51,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 06:02:51,643 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 94 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:02:51,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 393 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:02:51,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-10 06:02:51,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 767. [2024-11-10 06:02:51,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 596 states have (on average 1.3624161073825503) internal successors, (812), 607 states have internal predecessors, (812), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 139 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-10 06:02:51,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1112 transitions. [2024-11-10 06:02:51,686 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1112 transitions. Word has length 153 [2024-11-10 06:02:51,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:02:51,686 INFO L471 AbstractCegarLoop]: Abstraction has 767 states and 1112 transitions. [2024-11-10 06:02:51,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1112 transitions. [2024-11-10 06:02:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 06:02:51,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:51,688 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:51,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 06:02:51,688 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:51,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:51,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1244735299, now seen corresponding path program 1 times [2024-11-10 06:02:51,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:51,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686063540] [2024-11-10 06:02:51,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:51,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:51,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:51,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686063540] [2024-11-10 06:02:51,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686063540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:51,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:51,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 06:02:51,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381636546] [2024-11-10 06:02:51,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:51,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 06:02:51,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:51,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 06:02:51,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 06:02:51,838 INFO L87 Difference]: Start difference. First operand 767 states and 1112 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:52,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:02:52,173 INFO L93 Difference]: Finished difference Result 1739 states and 2493 transitions. [2024-11-10 06:02:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 06:02:52,173 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-11-10 06:02:52,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:02:52,179 INFO L225 Difference]: With dead ends: 1739 [2024-11-10 06:02:52,179 INFO L226 Difference]: Without dead ends: 1076 [2024-11-10 06:02:52,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-10 06:02:52,182 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 299 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:02:52,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 492 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 06:02:52,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2024-11-10 06:02:52,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1048. [2024-11-10 06:02:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 820 states have (on average 1.3573170731707318) internal successors, (1113), 836 states have internal predecessors, (1113), 198 states have call successors, (198), 29 states have call predecessors, (198), 29 states have return successors, (198), 182 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-10 06:02:52,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1509 transitions. [2024-11-10 06:02:52,245 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1509 transitions. Word has length 153 [2024-11-10 06:02:52,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:02:52,245 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1509 transitions. [2024-11-10 06:02:52,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1509 transitions. [2024-11-10 06:02:52,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 06:02:52,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:52,247 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:52,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 06:02:52,247 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:52,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:52,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1258419647, now seen corresponding path program 1 times [2024-11-10 06:02:52,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:52,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226412503] [2024-11-10 06:02:52,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:52,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:52,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:52,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226412503] [2024-11-10 06:02:52,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226412503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:52,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:52,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 06:02:52,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007426594] [2024-11-10 06:02:52,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:52,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 06:02:52,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:52,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 06:02:52,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 06:02:52,484 INFO L87 Difference]: Start difference. First operand 1048 states and 1509 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 06:02:52,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:02:52,782 INFO L93 Difference]: Finished difference Result 2299 states and 3248 transitions. [2024-11-10 06:02:52,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 06:02:52,783 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 153 [2024-11-10 06:02:52,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:02:52,788 INFO L225 Difference]: With dead ends: 2299 [2024-11-10 06:02:52,788 INFO L226 Difference]: Without dead ends: 1355 [2024-11-10 06:02:52,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-10 06:02:52,792 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 270 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:02:52,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 313 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 06:02:52,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2024-11-10 06:02:52,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1050. [2024-11-10 06:02:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 822 states have (on average 1.3503649635036497) internal successors, (1110), 838 states have internal predecessors, (1110), 198 states have call successors, (198), 29 states have call predecessors, (198), 29 states have return successors, (198), 182 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-10 06:02:52,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1506 transitions. [2024-11-10 06:02:52,851 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1506 transitions. Word has length 153 [2024-11-10 06:02:52,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:02:52,852 INFO L471 AbstractCegarLoop]: Abstraction has 1050 states and 1506 transitions. [2024-11-10 06:02:52,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 06:02:52,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1506 transitions. [2024-11-10 06:02:52,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 06:02:52,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:52,854 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:52,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 06:02:52,854 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:52,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:52,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1133143800, now seen corresponding path program 1 times [2024-11-10 06:02:52,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:52,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432895690] [2024-11-10 06:02:52,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:52,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:53,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:53,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432895690] [2024-11-10 06:02:53,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432895690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:53,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:53,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:02:53,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719413472] [2024-11-10 06:02:53,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:53,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:02:53,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:53,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:02:53,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:02:53,024 INFO L87 Difference]: Start difference. First operand 1050 states and 1506 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:53,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:02:53,167 INFO L93 Difference]: Finished difference Result 2474 states and 3562 transitions. [2024-11-10 06:02:53,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:02:53,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 154 [2024-11-10 06:02:53,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:02:53,174 INFO L225 Difference]: With dead ends: 2474 [2024-11-10 06:02:53,175 INFO L226 Difference]: Without dead ends: 1806 [2024-11-10 06:02:53,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:02:53,177 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 135 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:02:53,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 464 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:02:53,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2024-11-10 06:02:53,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1524. [2024-11-10 06:02:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1524 states, 1190 states have (on average 1.3596638655462185) internal successors, (1618), 1216 states have internal predecessors, (1618), 294 states have call successors, (294), 39 states have call predecessors, (294), 39 states have return successors, (294), 268 states have call predecessors, (294), 294 states have call successors, (294) [2024-11-10 06:02:53,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1524 states and 2206 transitions. [2024-11-10 06:02:53,253 INFO L78 Accepts]: Start accepts. Automaton has 1524 states and 2206 transitions. Word has length 154 [2024-11-10 06:02:53,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:02:53,254 INFO L471 AbstractCegarLoop]: Abstraction has 1524 states and 2206 transitions. [2024-11-10 06:02:53,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:02:53,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 2206 transitions. [2024-11-10 06:02:53,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 06:02:53,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:53,256 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:53,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 06:02:53,256 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:53,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:53,257 INFO L85 PathProgramCache]: Analyzing trace with hash 864452521, now seen corresponding path program 1 times [2024-11-10 06:02:53,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:53,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035798639] [2024-11-10 06:02:53,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:53,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:54,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:54,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035798639] [2024-11-10 06:02:54,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035798639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:54,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:54,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 06:02:54,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531433032] [2024-11-10 06:02:54,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:54,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 06:02:54,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:54,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 06:02:54,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-10 06:02:54,845 INFO L87 Difference]: Start difference. First operand 1524 states and 2206 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 06:02:55,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:02:55,597 INFO L93 Difference]: Finished difference Result 2301 states and 3156 transitions. [2024-11-10 06:02:55,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 06:02:55,598 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 154 [2024-11-10 06:02:55,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:02:55,606 INFO L225 Difference]: With dead ends: 2301 [2024-11-10 06:02:55,606 INFO L226 Difference]: Without dead ends: 2298 [2024-11-10 06:02:55,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=144, Unknown=0, NotChecked=0, Total=240 [2024-11-10 06:02:55,608 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 442 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 06:02:55,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 778 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 06:02:55,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2024-11-10 06:02:55,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 1748. [2024-11-10 06:02:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1748 states, 1385 states have (on average 1.339350180505415) internal successors, (1855), 1419 states have internal predecessors, (1855), 310 states have call successors, (310), 52 states have call predecessors, (310), 52 states have return successors, (310), 276 states have call predecessors, (310), 310 states have call successors, (310) [2024-11-10 06:02:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2475 transitions. [2024-11-10 06:02:55,709 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2475 transitions. Word has length 154 [2024-11-10 06:02:55,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:02:55,710 INFO L471 AbstractCegarLoop]: Abstraction has 1748 states and 2475 transitions. [2024-11-10 06:02:55,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 06:02:55,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2475 transitions. [2024-11-10 06:02:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 06:02:55,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:02:55,713 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:02:55,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 06:02:55,713 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:02:55,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:02:55,713 INFO L85 PathProgramCache]: Analyzing trace with hash 893081672, now seen corresponding path program 1 times [2024-11-10 06:02:55,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:02:55,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46013952] [2024-11-10 06:02:55,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:02:55,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:02:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:02:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:02:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:02:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:02:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:02:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:02:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:02:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:02:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:02:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:02:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:02:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:02:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:02:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:02:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:02:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:02:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:02:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:02:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:02:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:02:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:02:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:02:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:02:58,146 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:02:58,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:02:58,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46013952] [2024-11-10 06:02:58,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46013952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:02:58,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:02:58,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 06:02:58,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99422602] [2024-11-10 06:02:58,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:02:58,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 06:02:58,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:02:58,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 06:02:58,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-10 06:02:58,148 INFO L87 Difference]: Start difference. First operand 1748 states and 2475 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 06:03:00,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:03:00,560 INFO L93 Difference]: Finished difference Result 2711 states and 3665 transitions. [2024-11-10 06:03:00,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 06:03:00,560 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 154 [2024-11-10 06:03:00,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:03:00,572 INFO L225 Difference]: With dead ends: 2711 [2024-11-10 06:03:00,573 INFO L226 Difference]: Without dead ends: 2708 [2024-11-10 06:03:00,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=229, Invalid=527, Unknown=0, NotChecked=0, Total=756 [2024-11-10 06:03:00,574 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 289 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:03:00,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1174 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1327 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 06:03:00,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2708 states. [2024-11-10 06:03:00,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2708 to 1918. [2024-11-10 06:03:00,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1918 states, 1555 states have (on average 1.3678456591639871) internal successors, (2127), 1589 states have internal predecessors, (2127), 310 states have call successors, (310), 52 states have call predecessors, (310), 52 states have return successors, (310), 276 states have call predecessors, (310), 310 states have call successors, (310) [2024-11-10 06:03:00,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1918 states and 2747 transitions. [2024-11-10 06:03:00,737 INFO L78 Accepts]: Start accepts. Automaton has 1918 states and 2747 transitions. Word has length 154 [2024-11-10 06:03:00,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:03:00,737 INFO L471 AbstractCegarLoop]: Abstraction has 1918 states and 2747 transitions. [2024-11-10 06:03:00,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 06:03:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2747 transitions. [2024-11-10 06:03:00,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 06:03:00,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:03:00,740 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:03:00,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 06:03:00,740 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:03:00,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:03:00,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1638702425, now seen corresponding path program 1 times [2024-11-10 06:03:00,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:03:00,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352006999] [2024-11-10 06:03:00,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:03:00,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:03:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:03:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:03:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:03:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:03:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:03:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:03:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:03:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:03:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:03:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:03:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:03:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:03:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:03:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:03:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:03:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:03:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:03:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:03:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:03:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:03:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:03:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:03:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:00,995 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:03:00,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:03:00,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352006999] [2024-11-10 06:03:00,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352006999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:03:00,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:03:00,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 06:03:00,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812777802] [2024-11-10 06:03:00,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:03:00,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 06:03:00,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:03:00,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 06:03:00,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 06:03:00,997 INFO L87 Difference]: Start difference. First operand 1918 states and 2747 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-10 06:03:01,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:03:01,435 INFO L93 Difference]: Finished difference Result 5023 states and 7011 transitions. [2024-11-10 06:03:01,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 06:03:01,436 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 154 [2024-11-10 06:03:01,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:03:01,447 INFO L225 Difference]: With dead ends: 5023 [2024-11-10 06:03:01,447 INFO L226 Difference]: Without dead ends: 3303 [2024-11-10 06:03:01,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-10 06:03:01,451 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 369 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 06:03:01,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 409 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 06:03:01,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2024-11-10 06:03:01,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2292. [2024-11-10 06:03:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 1861 states have (on average 1.3449758194519075) internal successors, (2503), 1903 states have internal predecessors, (2503), 350 states have call successors, (350), 80 states have call predecessors, (350), 80 states have return successors, (350), 308 states have call predecessors, (350), 350 states have call successors, (350) [2024-11-10 06:03:01,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 3203 transitions. [2024-11-10 06:03:01,627 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 3203 transitions. Word has length 154 [2024-11-10 06:03:01,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:03:01,628 INFO L471 AbstractCegarLoop]: Abstraction has 2292 states and 3203 transitions. [2024-11-10 06:03:01,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-10 06:03:01,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3203 transitions. [2024-11-10 06:03:01,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 06:03:01,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:03:01,631 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:03:01,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 06:03:01,631 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:03:01,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:03:01,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2137846153, now seen corresponding path program 1 times [2024-11-10 06:03:01,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:03:01,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103045412] [2024-11-10 06:03:01,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:03:01,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:03:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:03:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:03:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:03:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:03:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:03:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:03:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:03:03,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:03:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:03:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:03:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:03:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:03:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:03:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:03:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:03:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:03:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:03:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:03:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:03:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:03:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:03:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:03:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:03,444 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:03:03,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:03:03,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103045412] [2024-11-10 06:03:03,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103045412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:03:03,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:03:03,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 06:03:03,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828138546] [2024-11-10 06:03:03,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:03:03,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 06:03:03,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:03:03,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 06:03:03,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-10 06:03:03,446 INFO L87 Difference]: Start difference. First operand 2292 states and 3203 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:03:05,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:03:05,321 INFO L93 Difference]: Finished difference Result 3326 states and 4442 transitions. [2024-11-10 06:03:05,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 06:03:05,321 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 154 [2024-11-10 06:03:05,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:03:05,331 INFO L225 Difference]: With dead ends: 3326 [2024-11-10 06:03:05,331 INFO L226 Difference]: Without dead ends: 3323 [2024-11-10 06:03:05,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2024-11-10 06:03:05,332 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 338 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:03:05,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 998 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 06:03:05,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2024-11-10 06:03:05,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 2292. [2024-11-10 06:03:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 1861 states have (on average 1.3449758194519075) internal successors, (2503), 1903 states have internal predecessors, (2503), 350 states have call successors, (350), 80 states have call predecessors, (350), 80 states have return successors, (350), 308 states have call predecessors, (350), 350 states have call successors, (350) [2024-11-10 06:03:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 3203 transitions. [2024-11-10 06:03:05,498 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 3203 transitions. Word has length 154 [2024-11-10 06:03:05,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:03:05,498 INFO L471 AbstractCegarLoop]: Abstraction has 2292 states and 3203 transitions. [2024-11-10 06:03:05,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:03:05,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3203 transitions. [2024-11-10 06:03:05,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 06:03:05,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:03:05,500 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:03:05,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 06:03:05,500 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:03:05,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:03:05,501 INFO L85 PathProgramCache]: Analyzing trace with hash -393937944, now seen corresponding path program 1 times [2024-11-10 06:03:05,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:03:05,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078432410] [2024-11-10 06:03:05,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:03:05,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:03:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:03:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:03:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:03:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:03:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:03:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:03:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:03:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:03:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:03:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:03:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:03:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:03:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:03:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:03:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:03:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:03:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:03:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:03:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:03:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:03:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:03:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:03:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:05,678 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:03:05,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:03:05,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078432410] [2024-11-10 06:03:05,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078432410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:03:05,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:03:05,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 06:03:05,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757509845] [2024-11-10 06:03:05,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:03:05,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 06:03:05,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:03:05,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 06:03:05,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 06:03:05,681 INFO L87 Difference]: Start difference. First operand 2292 states and 3203 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:03:06,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:03:06,087 INFO L93 Difference]: Finished difference Result 5561 states and 7652 transitions. [2024-11-10 06:03:06,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 06:03:06,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 154 [2024-11-10 06:03:06,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:03:06,139 INFO L225 Difference]: With dead ends: 5561 [2024-11-10 06:03:06,140 INFO L226 Difference]: Without dead ends: 3459 [2024-11-10 06:03:06,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-10 06:03:06,144 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 220 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:03:06,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 615 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 06:03:06,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3459 states. [2024-11-10 06:03:06,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3459 to 2190. [2024-11-10 06:03:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2190 states, 1759 states have (on average 1.3251847640704946) internal successors, (2331), 1801 states have internal predecessors, (2331), 350 states have call successors, (350), 80 states have call predecessors, (350), 80 states have return successors, (350), 308 states have call predecessors, (350), 350 states have call successors, (350) [2024-11-10 06:03:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 2190 states and 3031 transitions. [2024-11-10 06:03:06,306 INFO L78 Accepts]: Start accepts. Automaton has 2190 states and 3031 transitions. Word has length 154 [2024-11-10 06:03:06,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:03:06,306 INFO L471 AbstractCegarLoop]: Abstraction has 2190 states and 3031 transitions. [2024-11-10 06:03:06,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:03:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 3031 transitions. [2024-11-10 06:03:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 06:03:06,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:03:06,309 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:03:06,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 06:03:06,309 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:03:06,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:03:06,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1084614153, now seen corresponding path program 1 times [2024-11-10 06:03:06,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:03:06,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548967931] [2024-11-10 06:03:06,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:03:06,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:03:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:03:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:03:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:03:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:03:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:03:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:03:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:03:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:03:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:03:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:03:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:03:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:03:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:03:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:03:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:03:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:03:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:03:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:03:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:03:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:03:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:03:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:03:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:08,164 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:03:08,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:03:08,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548967931] [2024-11-10 06:03:08,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548967931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:03:08,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:03:08,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 06:03:08,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871038891] [2024-11-10 06:03:08,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:03:08,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 06:03:08,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:03:08,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 06:03:08,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-10 06:03:08,166 INFO L87 Difference]: Start difference. First operand 2190 states and 3031 transitions. Second operand has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:03:09,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:03:09,030 INFO L93 Difference]: Finished difference Result 4323 states and 5940 transitions. [2024-11-10 06:03:09,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 06:03:09,030 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 154 [2024-11-10 06:03:09,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:03:09,038 INFO L225 Difference]: With dead ends: 4323 [2024-11-10 06:03:09,038 INFO L226 Difference]: Without dead ends: 2327 [2024-11-10 06:03:09,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2024-11-10 06:03:09,043 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 209 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 06:03:09,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 894 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 06:03:09,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2024-11-10 06:03:09,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 1696. [2024-11-10 06:03:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1376 states have (on average 1.3502906976744187) internal successors, (1858), 1402 states have internal predecessors, (1858), 258 states have call successors, (258), 61 states have call predecessors, (258), 61 states have return successors, (258), 232 states have call predecessors, (258), 258 states have call successors, (258) [2024-11-10 06:03:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2374 transitions. [2024-11-10 06:03:09,161 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2374 transitions. Word has length 154 [2024-11-10 06:03:09,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:03:09,162 INFO L471 AbstractCegarLoop]: Abstraction has 1696 states and 2374 transitions. [2024-11-10 06:03:09,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:03:09,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2374 transitions. [2024-11-10 06:03:09,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 06:03:09,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:03:09,163 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:03:09,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 06:03:09,164 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:03:09,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:03:09,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1113243304, now seen corresponding path program 1 times [2024-11-10 06:03:09,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:03:09,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473386958] [2024-11-10 06:03:09,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:03:09,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:03:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:03:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:03:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:03:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:03:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:03:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:03:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:03:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:03:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:03:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:03:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:03:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:03:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:03:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:03:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:03:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:03:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:03:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:03:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:03:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:03:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:03:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:03:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:11,910 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:03:11,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:03:11,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473386958] [2024-11-10 06:03:11,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473386958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:03:11,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:03:11,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-10 06:03:11,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385411591] [2024-11-10 06:03:11,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:03:11,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-10 06:03:11,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:03:11,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-10 06:03:11,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2024-11-10 06:03:11,912 INFO L87 Difference]: Start difference. First operand 1696 states and 2374 transitions. Second operand has 21 states, 21 states have (on average 2.238095238095238) internal successors, (47), 21 states have internal predecessors, (47), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-10 06:03:14,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:03:14,923 INFO L93 Difference]: Finished difference Result 3835 states and 5297 transitions. [2024-11-10 06:03:14,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 06:03:14,923 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.238095238095238) internal successors, (47), 21 states have internal predecessors, (47), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 154 [2024-11-10 06:03:14,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:03:14,931 INFO L225 Difference]: With dead ends: 3835 [2024-11-10 06:03:14,931 INFO L226 Difference]: Without dead ends: 2314 [2024-11-10 06:03:14,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=316, Invalid=944, Unknown=0, NotChecked=0, Total=1260 [2024-11-10 06:03:14,935 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 590 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 1830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-10 06:03:14,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 1107 Invalid, 1830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1747 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-10 06:03:14,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2024-11-10 06:03:15,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 1724. [2024-11-10 06:03:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1724 states, 1403 states have (on average 1.3521026372059872) internal successors, (1897), 1429 states have internal predecessors, (1897), 258 states have call successors, (258), 62 states have call predecessors, (258), 62 states have return successors, (258), 232 states have call predecessors, (258), 258 states have call successors, (258) [2024-11-10 06:03:15,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2413 transitions. [2024-11-10 06:03:15,064 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2413 transitions. Word has length 154 [2024-11-10 06:03:15,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:03:15,064 INFO L471 AbstractCegarLoop]: Abstraction has 1724 states and 2413 transitions. [2024-11-10 06:03:15,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.238095238095238) internal successors, (47), 21 states have internal predecessors, (47), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-10 06:03:15,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2413 transitions. [2024-11-10 06:03:15,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 06:03:15,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:03:15,067 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:03:15,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 06:03:15,067 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:03:15,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:03:15,067 INFO L85 PathProgramCache]: Analyzing trace with hash 888100648, now seen corresponding path program 1 times [2024-11-10 06:03:15,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:03:15,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308355405] [2024-11-10 06:03:15,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:03:15,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:03:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:03:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:03:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:03:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:03:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:03:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:03:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:03:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:03:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:03:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:03:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:03:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:03:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:03:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:03:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:03:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:03:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:03:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:03:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:03:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:03:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:03:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:03:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:03:37,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:03:37,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308355405] [2024-11-10 06:03:37,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308355405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:03:37,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:03:37,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-10 06:03:37,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163500575] [2024-11-10 06:03:37,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:03:37,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 06:03:37,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:03:37,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 06:03:37,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-10 06:03:37,384 INFO L87 Difference]: Start difference. First operand 1724 states and 2413 transitions. Second operand has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:03:40,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:03:40,986 INFO L93 Difference]: Finished difference Result 2309 states and 3183 transitions. [2024-11-10 06:03:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 06:03:40,987 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 154 [2024-11-10 06:03:40,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:03:40,996 INFO L225 Difference]: With dead ends: 2309 [2024-11-10 06:03:40,998 INFO L226 Difference]: Without dead ends: 2306 [2024-11-10 06:03:41,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=260, Invalid=610, Unknown=0, NotChecked=0, Total=870 [2024-11-10 06:03:41,000 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 370 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 06:03:41,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 1192 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 06:03:41,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2024-11-10 06:03:41,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 1727. [2024-11-10 06:03:41,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1727 states, 1406 states have (on average 1.3520625889046942) internal successors, (1901), 1432 states have internal predecessors, (1901), 258 states have call successors, (258), 62 states have call predecessors, (258), 62 states have return successors, (258), 232 states have call predecessors, (258), 258 states have call successors, (258) [2024-11-10 06:03:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2417 transitions. [2024-11-10 06:03:41,144 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2417 transitions. Word has length 154 [2024-11-10 06:03:41,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:03:41,144 INFO L471 AbstractCegarLoop]: Abstraction has 1727 states and 2417 transitions. [2024-11-10 06:03:41,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:03:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2417 transitions. [2024-11-10 06:03:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 06:03:41,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:03:41,146 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:03:41,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 06:03:41,147 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:03:41,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:03:41,147 INFO L85 PathProgramCache]: Analyzing trace with hash 916729799, now seen corresponding path program 1 times [2024-11-10 06:03:41,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:03:41,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511235982] [2024-11-10 06:03:41,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:03:41,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:03:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:03:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:03:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:03:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:03:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:03:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:03:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:03:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:03:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:03:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:03:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:03:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:03:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:03:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:03:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:03:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:03:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:03:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:03:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:03:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:03:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:03:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:03:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:03:44,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:03:44,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511235982] [2024-11-10 06:03:44,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511235982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:03:44,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:03:44,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-10 06:03:44,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293645961] [2024-11-10 06:03:44,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:03:44,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 06:03:44,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:03:44,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 06:03:44,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-10 06:03:44,615 INFO L87 Difference]: Start difference. First operand 1727 states and 2417 transitions. Second operand has 19 states, 19 states have (on average 2.473684210526316) internal successors, (47), 19 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 06:03:47,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:03:47,698 INFO L93 Difference]: Finished difference Result 2370 states and 3266 transitions. [2024-11-10 06:03:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 06:03:47,698 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.473684210526316) internal successors, (47), 19 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 154 [2024-11-10 06:03:47,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:03:47,705 INFO L225 Difference]: With dead ends: 2370 [2024-11-10 06:03:47,706 INFO L226 Difference]: Without dead ends: 2367 [2024-11-10 06:03:47,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=285, Invalid=837, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 06:03:47,707 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 466 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 06:03:47,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 910 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 06:03:47,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2024-11-10 06:03:47,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 1727. [2024-11-10 06:03:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1727 states, 1406 states have (on average 1.3520625889046942) internal successors, (1901), 1432 states have internal predecessors, (1901), 258 states have call successors, (258), 62 states have call predecessors, (258), 62 states have return successors, (258), 232 states have call predecessors, (258), 258 states have call successors, (258) [2024-11-10 06:03:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2417 transitions. [2024-11-10 06:03:47,856 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2417 transitions. Word has length 154 [2024-11-10 06:03:47,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:03:47,856 INFO L471 AbstractCegarLoop]: Abstraction has 1727 states and 2417 transitions. [2024-11-10 06:03:47,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.473684210526316) internal successors, (47), 19 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 06:03:47,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2417 transitions. [2024-11-10 06:03:47,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 06:03:47,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:03:47,858 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:03:47,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 06:03:47,858 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:03:47,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:03:47,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1936959511, now seen corresponding path program 1 times [2024-11-10 06:03:47,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:03:47,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625719044] [2024-11-10 06:03:47,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:03:47,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:03:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:03:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:03:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:03:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:03:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:03:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:03:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:03:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:03:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:03:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:03:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:03:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:03:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:03:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:03:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:03:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:03:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:03:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 06:03:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 06:03:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 06:03:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 06:03:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 06:03:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:03:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-10 06:03:50,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:03:50,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625719044] [2024-11-10 06:03:50,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625719044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:03:50,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:03:50,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 06:03:50,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979772211] [2024-11-10 06:03:50,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:03:50,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 06:03:50,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:03:50,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 06:03:50,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-10 06:03:50,339 INFO L87 Difference]: Start difference. First operand 1727 states and 2417 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:03:52,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:03:52,264 INFO L93 Difference]: Finished difference Result 2186 states and 3006 transitions. [2024-11-10 06:03:52,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 06:03:52,265 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 154 [2024-11-10 06:03:52,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:03:52,272 INFO L225 Difference]: With dead ends: 2186 [2024-11-10 06:03:52,273 INFO L226 Difference]: Without dead ends: 2183 [2024-11-10 06:03:52,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2024-11-10 06:03:52,274 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 332 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:03:52,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 1016 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 06:03:52,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2024-11-10 06:03:52,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 1725. [2024-11-10 06:03:52,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1725 states, 1404 states have (on average 1.3518518518518519) internal successors, (1898), 1430 states have internal predecessors, (1898), 258 states have call successors, (258), 62 states have call predecessors, (258), 62 states have return successors, (258), 232 states have call predecessors, (258), 258 states have call successors, (258) [2024-11-10 06:03:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 2414 transitions. [2024-11-10 06:03:52,424 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 2414 transitions. Word has length 154 [2024-11-10 06:03:52,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:03:52,425 INFO L471 AbstractCegarLoop]: Abstraction has 1725 states and 2414 transitions. [2024-11-10 06:03:52,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 06:03:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2414 transitions. [2024-11-10 06:03:52,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 06:03:52,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:03:52,426 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:03:52,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 06:03:52,427 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:03:52,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:03:52,427 INFO L85 PathProgramCache]: Analyzing trace with hash 2132865129, now seen corresponding path program 1 times [2024-11-10 06:03:52,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:03:52,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262856598] [2024-11-10 06:03:52,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:03:52,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:03:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat