./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eed477ccc68b44369a2767c3ea5b70be7a75a8c2370f374d3c3760022cb8d072 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 01:43:54,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 01:43:54,922 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 01:43:54,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 01:43:54,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 01:43:54,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 01:43:54,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 01:43:54,951 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 01:43:54,951 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 01:43:54,954 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 01:43:54,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 01:43:54,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 01:43:54,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 01:43:54,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 01:43:54,956 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 01:43:54,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 01:43:54,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 01:43:54,957 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 01:43:54,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 01:43:54,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 01:43:54,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 01:43:54,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 01:43:54,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 01:43:54,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 01:43:54,958 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 01:43:54,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 01:43:54,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 01:43:54,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 01:43:54,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 01:43:54,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 01:43:54,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 01:43:54,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 01:43:54,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:43:54,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 01:43:54,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 01:43:54,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 01:43:54,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 01:43:54,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 01:43:54,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 01:43:54,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 01:43:54,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 01:43:54,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 01:43:54,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed477ccc68b44369a2767c3ea5b70be7a75a8c2370f374d3c3760022cb8d072 [2024-10-13 01:43:55,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 01:43:55,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 01:43:55,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 01:43:55,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 01:43:55,197 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 01:43:55,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-10-13 01:43:56,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 01:43:56,561 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 01:43:56,562 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-10-13 01:43:56,571 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e5115d5e/3d7fa6166dd4464da9093f79ed9aa3de/FLAG2808965aa [2024-10-13 01:43:56,962 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e5115d5e/3d7fa6166dd4464da9093f79ed9aa3de [2024-10-13 01:43:56,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 01:43:56,965 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 01:43:56,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 01:43:56,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 01:43:56,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 01:43:56,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:43:56" (1/1) ... [2024-10-13 01:43:56,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b0c591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:56, skipping insertion in model container [2024-10-13 01:43:56,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:43:56" (1/1) ... [2024-10-13 01:43:57,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 01:43:57,132 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i[919,932] [2024-10-13 01:43:57,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:43:57,228 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 01:43:57,258 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i[919,932] [2024-10-13 01:43:57,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:43:57,351 INFO L204 MainTranslator]: Completed translation [2024-10-13 01:43:57,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57 WrapperNode [2024-10-13 01:43:57,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 01:43:57,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 01:43:57,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 01:43:57,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 01:43:57,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (1/1) ... [2024-10-13 01:43:57,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (1/1) ... [2024-10-13 01:43:57,407 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 337 [2024-10-13 01:43:57,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 01:43:57,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 01:43:57,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 01:43:57,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 01:43:57,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (1/1) ... [2024-10-13 01:43:57,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (1/1) ... [2024-10-13 01:43:57,422 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (1/1) ... [2024-10-13 01:43:57,444 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]. [2024-10-13 01:43:57,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (1/1) ... [2024-10-13 01:43:57,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (1/1) ... [2024-10-13 01:43:57,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (1/1) ... [2024-10-13 01:43:57,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (1/1) ... [2024-10-13 01:43:57,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (1/1) ... [2024-10-13 01:43:57,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (1/1) ... [2024-10-13 01:43:57,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 01:43:57,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 01:43:57,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 01:43:57,480 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 01:43:57,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (1/1) ... [2024-10-13 01:43:57,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:43:57,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:43:57,508 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) [2024-10-13 01:43:57,510 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 [2024-10-13 01:43:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 01:43:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 01:43:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 01:43:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 01:43:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 01:43:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 01:43:57,626 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 01:43:57,628 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 01:43:58,036 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-10-13 01:43:58,036 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 01:43:58,066 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 01:43:58,066 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 01:43:58,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:43:58 BoogieIcfgContainer [2024-10-13 01:43:58,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 01:43:58,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 01:43:58,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 01:43:58,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 01:43:58,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:43:56" (1/3) ... [2024-10-13 01:43:58,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:43:58, skipping insertion in model container [2024-10-13 01:43:58,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:43:57" (2/3) ... [2024-10-13 01:43:58,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:43:58, skipping insertion in model container [2024-10-13 01:43:58,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:43:58" (3/3) ... [2024-10-13 01:43:58,074 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-10-13 01:43:58,086 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 01:43:58,086 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 01:43:58,136 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 01:43:58,141 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;@437d638a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 01:43:58,141 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 01:43:58,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 90 states have (on average 1.4444444444444444) internal successors, (130), 91 states have internal predecessors, (130), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-13 01:43:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-13 01:43:58,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:43:58,179 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:43:58,179 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:43:58,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:43:58,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1676229257, now seen corresponding path program 1 times [2024-10-13 01:43:58,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:43:58,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212491672] [2024-10-13 01:43:58,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:43:58,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:43:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:43:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:43:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:43:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:43:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:43:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:43:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:43:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:43:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:43:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:43:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:43:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:43:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:43:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:43:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:43:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:43:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:43:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:43:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:43:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:43:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:43:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 01:43:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:43:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 01:43:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 01:43:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 01:43:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 01:43:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 01:43:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 01:43:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 01:43:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:43:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 01:43:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 01:43:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:43:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:43:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:43:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:43:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 01:43:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 01:43:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 01:43:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 01:43:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 01:43:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 01:43:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 01:43:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 01:43:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 01:43:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 01:43:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 01:43:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 01:43:58,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:43:58,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212491672] [2024-10-13 01:43:58,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212491672] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:43:58,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:43:58,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 01:43:58,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924111885] [2024-10-13 01:43:58,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:43:58,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 01:43:58,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:43:58,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 01:43:58,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:43:58,724 INFO L87 Difference]: Start difference. First operand has 141 states, 90 states have (on average 1.4444444444444444) internal successors, (130), 91 states have internal predecessors, (130), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-13 01:43:58,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:43:58,774 INFO L93 Difference]: Finished difference Result 279 states and 498 transitions. [2024-10-13 01:43:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 01:43:58,776 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 291 [2024-10-13 01:43:58,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:43:58,785 INFO L225 Difference]: With dead ends: 279 [2024-10-13 01:43:58,785 INFO L226 Difference]: Without dead ends: 139 [2024-10-13 01:43:58,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:43:58,794 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:43:58,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:43:58,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-10-13 01:43:58,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-10-13 01:43:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 89 states have (on average 1.404494382022472) internal successors, (125), 89 states have internal predecessors, (125), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-13 01:43:58,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 221 transitions. [2024-10-13 01:43:58,849 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 221 transitions. Word has length 291 [2024-10-13 01:43:58,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:43:58,850 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 221 transitions. [2024-10-13 01:43:58,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-13 01:43:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 221 transitions. [2024-10-13 01:43:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-13 01:43:58,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:43:58,855 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:43:58,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 01:43:58,856 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:43:58,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:43:58,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1167873921, now seen corresponding path program 1 times [2024-10-13 01:43:58,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:43:58,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293629105] [2024-10-13 01:43:58,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:43:58,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:43:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:43:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:43:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:43:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:43:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:43:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:43:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:43:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:43:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:43:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:43:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:43:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:43:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:43:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:43:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:43:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:43:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:43:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:43:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:43:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:43:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:43:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 01:43:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:43:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 01:43:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 01:43:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 01:43:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 01:43:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 01:43:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 01:43:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 01:43:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:43:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 01:43:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 01:43:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:43:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:43:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:43:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:43:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 01:43:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 01:43:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 01:43:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 01:43:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 01:43:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 01:43:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 01:43:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 01:43:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 01:43:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 01:43:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 01:43:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:43:59,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 01:43:59,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:43:59,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293629105] [2024-10-13 01:43:59,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293629105] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:43:59,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:43:59,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:43:59,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711374543] [2024-10-13 01:43:59,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:43:59,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:43:59,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:43:59,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:43:59,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:43:59,473 INFO L87 Difference]: Start difference. First operand 139 states and 221 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 01:43:59,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:43:59,709 INFO L93 Difference]: Finished difference Result 416 states and 662 transitions. [2024-10-13 01:43:59,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:43:59,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-13 01:43:59,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:43:59,713 INFO L225 Difference]: With dead ends: 416 [2024-10-13 01:43:59,713 INFO L226 Difference]: Without dead ends: 278 [2024-10-13 01:43:59,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:43:59,714 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 129 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:43:59,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 641 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 01:43:59,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-10-13 01:43:59,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 219. [2024-10-13 01:43:59,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 120 states have (on average 1.3) internal successors, (156), 120 states have internal predecessors, (156), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 01:43:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 348 transitions. [2024-10-13 01:43:59,756 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 348 transitions. Word has length 291 [2024-10-13 01:43:59,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:43:59,758 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 348 transitions. [2024-10-13 01:43:59,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-13 01:43:59,759 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 348 transitions. [2024-10-13 01:43:59,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-13 01:43:59,762 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:43:59,762 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:43:59,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 01:43:59,763 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:43:59,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:43:59,763 INFO L85 PathProgramCache]: Analyzing trace with hash 483407811, now seen corresponding path program 1 times [2024-10-13 01:43:59,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:43:59,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176141728] [2024-10-13 01:43:59,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:43:59,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:44:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:44:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:44:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:44:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:44:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:44:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:44:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:44:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:44:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:44:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:44:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:44:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:44:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:44:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:44:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:44:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:44:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:44:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:44:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:44:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:44:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:44:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 01:44:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:44:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 01:44:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 01:44:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 01:44:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 01:44:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 01:44:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 01:44:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 01:44:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:44:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 01:44:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 01:44:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:44:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:44:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:44:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:44:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 01:44:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 01:44:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 01:44:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 01:44:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 01:44:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 01:44:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 01:44:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 01:44:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 01:44:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 01:44:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 01:44:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:44:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 01:44:10,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:44:10,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176141728] [2024-10-13 01:44:10,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176141728] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:44:10,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:44:10,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 01:44:10,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721604] [2024-10-13 01:44:10,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:44:10,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 01:44:10,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:44:10,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 01:44:10,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:44:10,188 INFO L87 Difference]: Start difference. First operand 219 states and 348 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-13 01:44:11,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:44:11,863 INFO L93 Difference]: Finished difference Result 698 states and 1103 transitions. [2024-10-13 01:44:11,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 01:44:11,864 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 292 [2024-10-13 01:44:11,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:44:11,869 INFO L225 Difference]: With dead ends: 698 [2024-10-13 01:44:11,869 INFO L226 Difference]: Without dead ends: 560 [2024-10-13 01:44:11,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-10-13 01:44:11,870 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 1402 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1402 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:44:11,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1402 Valid, 1764 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 01:44:11,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-10-13 01:44:11,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 399. [2024-10-13 01:44:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 250 states have (on average 1.38) internal successors, (345), 251 states have internal predecessors, (345), 144 states have call successors, (144), 4 states have call predecessors, (144), 4 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-10-13 01:44:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 633 transitions. [2024-10-13 01:44:11,926 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 633 transitions. Word has length 292 [2024-10-13 01:44:11,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:44:11,929 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 633 transitions. [2024-10-13 01:44:11,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-13 01:44:11,930 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 633 transitions. [2024-10-13 01:44:11,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-13 01:44:11,933 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:44:11,933 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:44:11,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 01:44:11,934 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:44:11,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:44:11,934 INFO L85 PathProgramCache]: Analyzing trace with hash -527709439, now seen corresponding path program 1 times [2024-10-13 01:44:11,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:44:11,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628427964] [2024-10-13 01:44:11,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:44:11,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:44:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:45:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:45:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:45:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:45:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:45:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:45:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:45:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:45:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:45:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:45:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:45:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:45:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:45:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:45:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:45:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 01:45:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:45:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:45:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:45:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:45:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:45:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 01:45:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:45:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 01:45:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-13 01:45:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 01:45:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 01:45:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 01:45:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 01:45:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 01:45:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-13 01:45:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 01:45:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 01:45:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:45:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:45:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:45:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:45:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-13 01:45:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 01:45:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-13 01:45:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 01:45:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-13 01:45:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-13 01:45:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-13 01:45:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-13 01:45:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-13 01:45:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-13 01:45:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-13 01:45:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:45:10,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-13 01:45:10,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:45:10,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628427964] [2024-10-13 01:45:10,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628427964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:45:10,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:45:10,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 01:45:10,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134684459] [2024-10-13 01:45:10,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:45:10,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 01:45:10,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:45:10,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 01:45:10,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:45:10,932 INFO L87 Difference]: Start difference. First operand 399 states and 633 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-13 01:45:12,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:45:12,913 INFO L93 Difference]: Finished difference Result 726 states and 1147 transitions. [2024-10-13 01:45:12,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 01:45:12,914 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 292 [2024-10-13 01:45:12,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:45:12,918 INFO L225 Difference]: With dead ends: 726 [2024-10-13 01:45:12,918 INFO L226 Difference]: Without dead ends: 588 [2024-10-13 01:45:12,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2024-10-13 01:45:12,920 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 1041 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 1734 SdHoareTripleChecker+Invalid, 1568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 01:45:12,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 1734 Invalid, 1568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 01:45:12,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-10-13 01:45:12,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 399. [2024-10-13 01:45:12,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 250 states have (on average 1.38) internal successors, (345), 251 states have internal predecessors, (345), 144 states have call successors, (144), 4 states have call predecessors, (144), 4 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-10-13 01:45:12,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 633 transitions. [2024-10-13 01:45:12,950 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 633 transitions. Word has length 292 [2024-10-13 01:45:12,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:45:12,951 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 633 transitions. [2024-10-13 01:45:12,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-13 01:45:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 633 transitions. [2024-10-13 01:45:12,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-13 01:45:12,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:45:12,953 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:45:12,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 01:45:12,953 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:45:12,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:45:12,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1057396931, now seen corresponding path program 1 times [2024-10-13 01:45:12,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:45:12,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702619610] [2024-10-13 01:45:12,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:45:12,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:45:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat