./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-ps-cn_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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-ps-cn_file-66.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 472f160323a45b927913d546ba36407c4908d2f65580a236f66341d4d39cf8a5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 10:23:08,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 10:23:08,915 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 10:23:08,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 10:23:08,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 10:23:08,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 10:23:08,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 10:23:08,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 10:23:08,949 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 10:23:08,953 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 10:23:08,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 10:23:08,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 10:23:08,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 10:23:08,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 10:23:08,954 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 10:23:08,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 10:23:08,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 10:23:08,955 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 10:23:08,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 10:23:08,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 10:23:08,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 10:23:08,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 10:23:08,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 10:23:08,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 10:23:08,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 10:23:08,958 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 10:23:08,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 10:23:08,958 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 10:23:08,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 10:23:08,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 10:23:08,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 10:23:08,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 10:23:08,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:23:08,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 10:23:08,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 10:23:08,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 10:23:08,961 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 10:23:08,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 10:23:08,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 10:23:08,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 10:23:08,962 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 10:23:08,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 10:23:08,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 472f160323a45b927913d546ba36407c4908d2f65580a236f66341d4d39cf8a5 [2024-10-14 10:23:09,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 10:23:09,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 10:23:09,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 10:23:09,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 10:23:09,226 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 10:23:09,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i [2024-10-14 10:23:10,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 10:23:10,857 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 10:23:10,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i [2024-10-14 10:23:10,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb2578dea/bb8bc796e17b4117b733f64edd25a28e/FLAGfce78c63b [2024-10-14 10:23:11,186 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb2578dea/bb8bc796e17b4117b733f64edd25a28e [2024-10-14 10:23:11,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 10:23:11,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 10:23:11,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 10:23:11,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 10:23:11,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 10:23:11,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181dcd8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11, skipping insertion in model container [2024-10-14 10:23:11,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 10:23:11,413 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-ps-cn_file-66.i[919,932] [2024-10-14 10:23:11,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:23:11,515 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 10:23:11,527 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-ps-cn_file-66.i[919,932] [2024-10-14 10:23:11,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:23:11,600 INFO L204 MainTranslator]: Completed translation [2024-10-14 10:23:11,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11 WrapperNode [2024-10-14 10:23:11,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 10:23:11,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 10:23:11,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 10:23:11,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 10:23:11,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,673 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2024-10-14 10:23:11,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 10:23:11,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 10:23:11,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 10:23:11,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 10:23:11,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,721 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]. [2024-10-14 10:23:11,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 10:23:11,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 10:23:11,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 10:23:11,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 10:23:11,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (1/1) ... [2024-10-14 10:23:11,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:23:11,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:23:11,781 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) [2024-10-14 10:23:11,784 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 [2024-10-14 10:23:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 10:23:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 10:23:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 10:23:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 10:23:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 10:23:11,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 10:23:11,891 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 10:23:11,893 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 10:23:12,207 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-14 10:23:12,207 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 10:23:12,262 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 10:23:12,262 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 10:23:12,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:23:12 BoogieIcfgContainer [2024-10-14 10:23:12,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 10:23:12,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 10:23:12,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 10:23:12,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 10:23:12,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:23:11" (1/3) ... [2024-10-14 10:23:12,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b4e031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:23:12, skipping insertion in model container [2024-10-14 10:23:12,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:23:11" (2/3) ... [2024-10-14 10:23:12,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b4e031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:23:12, skipping insertion in model container [2024-10-14 10:23:12,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:23:12" (3/3) ... [2024-10-14 10:23:12,273 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-66.i [2024-10-14 10:23:12,289 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 10:23:12,290 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 10:23:12,389 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 10:23:12,399 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;@6e677a38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 10:23:12,434 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 10:23:12,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 10:23:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 10:23:12,456 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:23:12,457 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:23:12,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:23:12,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:23:12,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1360282986, now seen corresponding path program 1 times [2024-10-14 10:23:12,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:23:12,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833868373] [2024-10-14 10:23:12,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:23:12,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:23:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:23:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:23:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:23:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:23:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:23:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:23:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:23:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:23:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:23:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:23:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:23:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:23:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:23:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:23:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:23:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:23:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:23:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:23:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:23:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:23:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:23:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:23:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:23:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:23:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:23:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:23:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:23:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:23:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 10:23:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:23:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 10:23:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:23:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 10:23:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 10:23:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 10:23:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 10:23:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 10:23:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 10:23:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 10:23:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 10:23:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 10:23:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 10:23:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 10:23:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 10:23:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 10:23:12,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:23:12,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833868373] [2024-10-14 10:23:12,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833868373] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:23:12,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:23:12,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 10:23:13,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926939061] [2024-10-14 10:23:13,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:23:13,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 10:23:13,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:23:13,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 10:23:13,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:23:13,028 INFO L87 Difference]: Start difference. First operand has 109 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-14 10:23:13,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:23:13,084 INFO L93 Difference]: Finished difference Result 215 states and 398 transitions. [2024-10-14 10:23:13,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 10:23:13,086 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 267 [2024-10-14 10:23:13,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:23:13,105 INFO L225 Difference]: With dead ends: 215 [2024-10-14 10:23:13,106 INFO L226 Difference]: Without dead ends: 107 [2024-10-14 10:23:13,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:23:13,119 INFO L432 NwaCegarLoop]: 170 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, 170 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 [2024-10-14 10:23:13,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:23:13,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-14 10:23:13,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-10-14 10:23:13,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 61 states have internal predecessors, (85), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 10:23:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 173 transitions. [2024-10-14 10:23:13,169 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 173 transitions. Word has length 267 [2024-10-14 10:23:13,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:23:13,170 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 173 transitions. [2024-10-14 10:23:13,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-14 10:23:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 173 transitions. [2024-10-14 10:23:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 10:23:13,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:23:13,178 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:23:13,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 10:23:13,178 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:23:13,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:23:13,180 INFO L85 PathProgramCache]: Analyzing trace with hash -349916634, now seen corresponding path program 1 times [2024-10-14 10:23:13,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:23:13,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222953383] [2024-10-14 10:23:13,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:23:13,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:23:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:23:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:23:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:23:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:23:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:23:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:23:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:23:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:23:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:23:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:23:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:23:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:23:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:23:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:23:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:23:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:23:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:23:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:23:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:23:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:23:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:23:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:23:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:23:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:23:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:23:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:23:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:23:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:23:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 10:23:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:23:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 10:23:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:23:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 10:23:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 10:23:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 10:23:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 10:23:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 10:23:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 10:23:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 10:23:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 10:23:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 10:23:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 10:23:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 10:23:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 10:23:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 10:23:13,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:23:13,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222953383] [2024-10-14 10:23:13,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222953383] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:23:13,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:23:13,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:23:13,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784448588] [2024-10-14 10:23:13,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:23:13,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:23:13,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:23:13,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:23:13,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:23:13,632 INFO L87 Difference]: Start difference. First operand 107 states and 173 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 10:23:13,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:23:13,728 INFO L93 Difference]: Finished difference Result 318 states and 515 transitions. [2024-10-14 10:23:13,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:23:13,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-14 10:23:13,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:23:13,732 INFO L225 Difference]: With dead ends: 318 [2024-10-14 10:23:13,732 INFO L226 Difference]: Without dead ends: 212 [2024-10-14 10:23:13,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:23:13,739 INFO L432 NwaCegarLoop]: 311 mSDtfsCounter, 162 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:23:13,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 470 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:23:13,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-14 10:23:13,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210. [2024-10-14 10:23:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 119 states have (on average 1.3529411764705883) internal successors, (161), 119 states have internal predecessors, (161), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-14 10:23:13,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 337 transitions. [2024-10-14 10:23:13,796 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 337 transitions. Word has length 267 [2024-10-14 10:23:13,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:23:13,797 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 337 transitions. [2024-10-14 10:23:13,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 10:23:13,797 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2024-10-14 10:23:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 10:23:13,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:23:13,801 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:23:13,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 10:23:13,802 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:23:13,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:23:13,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1425090728, now seen corresponding path program 1 times [2024-10-14 10:23:13,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:23:13,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722630858] [2024-10-14 10:23:13,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:23:13,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:23:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:23:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:23:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:23:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:23:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:23:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:23:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:23:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:23:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:23:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:23:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:23:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:23:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:23:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:23:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:23:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:23:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:23:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:23:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:23:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:23:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:23:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:23:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:23:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:23:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:23:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:23:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:23:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:23:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 10:23:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:23:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 10:23:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:23:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 10:23:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 10:23:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 10:23:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 10:23:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 10:23:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 10:23:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 10:23:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 10:23:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 10:23:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 10:23:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 10:23:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 10:23:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 10:23:14,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:23:14,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722630858] [2024-10-14 10:23:14,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722630858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:23:14,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:23:14,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:23:14,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812356480] [2024-10-14 10:23:14,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:23:14,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:23:14,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:23:14,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:23:14,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:23:14,247 INFO L87 Difference]: Start difference. First operand 210 states and 337 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 10:23:14,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:23:14,551 INFO L93 Difference]: Finished difference Result 642 states and 1019 transitions. [2024-10-14 10:23:14,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:23:14,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-14 10:23:14,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:23:14,556 INFO L225 Difference]: With dead ends: 642 [2024-10-14 10:23:14,557 INFO L226 Difference]: Without dead ends: 433 [2024-10-14 10:23:14,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:23:14,558 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 109 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:23:14,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 470 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 10:23:14,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-10-14 10:23:14,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 428. [2024-10-14 10:23:14,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 241 states have (on average 1.3236514522821576) internal successors, (319), 242 states have internal predecessors, (319), 180 states have call successors, (180), 6 states have call predecessors, (180), 6 states have return successors, (180), 179 states have call predecessors, (180), 180 states have call successors, (180) [2024-10-14 10:23:14,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 679 transitions. [2024-10-14 10:23:14,641 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 679 transitions. Word has length 267 [2024-10-14 10:23:14,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:23:14,643 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 679 transitions. [2024-10-14 10:23:14,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 10:23:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 679 transitions. [2024-10-14 10:23:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 10:23:14,647 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:23:14,647 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:23:14,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 10:23:14,647 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:23:14,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:23:14,648 INFO L85 PathProgramCache]: Analyzing trace with hash 615744102, now seen corresponding path program 1 times [2024-10-14 10:23:14,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:23:14,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420101499] [2024-10-14 10:23:14,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:23:14,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:23:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:23:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:23:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:23:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:23:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:23:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:23:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:23:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:23:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:23:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:23:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:23:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:23:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:23:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:23:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:23:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:23:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:23:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:23:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:23:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:23:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:23:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:23:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:23:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:23:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:23:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:23:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:23:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:23:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 10:23:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:23:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 10:23:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:23:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 10:23:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 10:23:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 10:23:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 10:23:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 10:23:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 10:23:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 10:23:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 10:23:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 10:23:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 10:23:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 10:23:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 10:23:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:23:40,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 10:23:40,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:23:40,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420101499] [2024-10-14 10:23:40,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420101499] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:23:40,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:23:40,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 10:23:40,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456354431] [2024-10-14 10:23:40,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:23:40,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 10:23:40,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:23:40,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 10:23:40,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-14 10:23:40,975 INFO L87 Difference]: Start difference. First operand 428 states and 679 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 10:23:46,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:23:46,340 INFO L93 Difference]: Finished difference Result 574 states and 862 transitions. [2024-10-14 10:23:46,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 10:23:46,340 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-14 10:23:46,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:23:46,345 INFO L225 Difference]: With dead ends: 574 [2024-10-14 10:23:46,345 INFO L226 Difference]: Without dead ends: 572 [2024-10-14 10:23:46,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2024-10-14 10:23:46,347 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 286 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:23:46,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 848 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-14 10:23:46,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-10-14 10:23:46,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 497. [2024-10-14 10:23:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 295 states have (on average 1.3152542372881355) internal successors, (388), 299 states have internal predecessors, (388), 192 states have call successors, (192), 9 states have call predecessors, (192), 9 states have return successors, (192), 188 states have call predecessors, (192), 192 states have call successors, (192) [2024-10-14 10:23:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 772 transitions. [2024-10-14 10:23:46,401 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 772 transitions. Word has length 267 [2024-10-14 10:23:46,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:23:46,402 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 772 transitions. [2024-10-14 10:23:46,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 12 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 10:23:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 772 transitions. [2024-10-14 10:23:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 10:23:46,405 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:23:46,405 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:23:46,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 10:23:46,406 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:23:46,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:23:46,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1050981212, now seen corresponding path program 1 times [2024-10-14 10:23:46,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:23:46,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004770054] [2024-10-14 10:23:46,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:23:46,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:23:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:24:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:24:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:24:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:24:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:24:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:24:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:24:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:24:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:24:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:24:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:24:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:24:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:24:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:24:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:24:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:24:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:24:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:24:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:24:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:24:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:24:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:24:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:24:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:24:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:24:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:24:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:24:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:24:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 10:24:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:24:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 10:24:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:24:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 10:24:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 10:24:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 10:24:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 10:24:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 10:24:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 10:24:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 10:24:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 10:24:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 10:24:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 10:24:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 10:24:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 10:24:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 10:24:14,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:24:14,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004770054] [2024-10-14 10:24:14,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004770054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:24:14,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:24:14,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 10:24:14,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879506134] [2024-10-14 10:24:14,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:24:14,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 10:24:14,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:24:14,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 10:24:14,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-14 10:24:14,651 INFO L87 Difference]: Start difference. First operand 497 states and 772 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 10:24:18,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:24:18,147 INFO L93 Difference]: Finished difference Result 881 states and 1343 transitions. [2024-10-14 10:24:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 10:24:18,148 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 267 [2024-10-14 10:24:18,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:24:18,154 INFO L225 Difference]: With dead ends: 881 [2024-10-14 10:24:18,155 INFO L226 Difference]: Without dead ends: 672 [2024-10-14 10:24:18,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-10-14 10:24:18,158 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 124 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1416 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:24:18,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1416 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-14 10:24:18,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-10-14 10:24:18,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 552. [2024-10-14 10:24:18,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 344 states have (on average 1.3313953488372092) internal successors, (458), 349 states have internal predecessors, (458), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 191 states have call predecessors, (196), 196 states have call successors, (196) [2024-10-14 10:24:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 850 transitions. [2024-10-14 10:24:18,216 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 850 transitions. Word has length 267 [2024-10-14 10:24:18,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:24:18,216 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 850 transitions. [2024-10-14 10:24:18,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 10:24:18,219 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 850 transitions. [2024-10-14 10:24:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 10:24:18,221 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:24:18,221 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:24:18,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 10:24:18,222 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:24:18,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:24:18,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1860327838, now seen corresponding path program 1 times [2024-10-14 10:24:18,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:24:18,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609295843] [2024-10-14 10:24:18,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:24:18,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:24:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:24:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:24:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:24:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:24:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:24:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:24:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:24:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:24:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:24:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:24:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:24:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:24:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:24:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:24:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:24:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:24:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:24:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:24:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:24:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:24:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:24:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:24:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:24:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:24:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:24:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:24:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:24:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:24:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 10:24:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:24:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 10:24:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:24:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 10:24:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 10:24:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 10:24:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 10:24:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 10:24:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 10:24:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 10:24:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 10:24:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 10:24:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 10:24:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 10:24:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-14 10:24:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:24:45,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 10:24:45,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:24:45,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609295843] [2024-10-14 10:24:45,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609295843] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:24:45,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:24:45,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 10:24:45,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071012839] [2024-10-14 10:24:45,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:24:45,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 10:24:45,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:24:45,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 10:24:45,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-10-14 10:24:45,931 INFO L87 Difference]: Start difference. First operand 552 states and 850 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44)