/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/array-examples/sanfoundry_24-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 22:04:57,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 22:04:57,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 22:04:57,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 22:04:57,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-30 22:04:57,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-30 22:04:57,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-30 22:04:57,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-30 22:04:57,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-30 22:04:57,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-30 22:04:57,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-30 22:04:57,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-30 22:04:57,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-30 22:04:57,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-30 22:04:57,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-30 22:04:57,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-30 22:04:57,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-30 22:04:57,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 22:04:57,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 22:04:57,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 22:04:57,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-30 22:04:57,391 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 22:04:57,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 22:04:57,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 22:04:57,392 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 22:04:57,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 22:04:57,393 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 22:04:57,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 22:04:57,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 22:04:57,394 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 22:04:57,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 22:04:57,395 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 22:04:57,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 22:04:57,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 22:04:57,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 22:04:57,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 22:04:57,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 22:04:57,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 22:04:57,395 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 22:04:57,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 22:04:57,396 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 22:04:57,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 22:04:57,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 22:04:57,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 22:04:57,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 22:04:57,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:04:57,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 22:04:57,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 22:04:57,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 22:04:57,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 22:04:57,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 22:04:57,397 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 22:04:57,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 22:04:57,397 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 22:04:57,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 22:04:57,398 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 22:04:57,398 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 22:04:57,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 22:04:57,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 22:04:57,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 22:04:57,634 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 22:04:57,635 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 22:04:57,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/sanfoundry_24-1.i [2023-03-30 22:04:58,771 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 22:04:58,986 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 22:04:58,986 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sanfoundry_24-1.i [2023-03-30 22:04:58,992 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff82bbbb1/80d81af1f0db47d89330ff0057213957/FLAGd6d985fe3 [2023-03-30 22:04:59,007 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff82bbbb1/80d81af1f0db47d89330ff0057213957 [2023-03-30 22:04:59,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 22:04:59,011 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 22:04:59,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 22:04:59,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 22:04:59,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 22:04:59,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:04:59" (1/1) ... [2023-03-30 22:04:59,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b36ea00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:04:59, skipping insertion in model container [2023-03-30 22:04:59,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:04:59" (1/1) ... [2023-03-30 22:04:59,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 22:04:59,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 22:04:59,146 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sanfoundry_24-1.i[848,861] [2023-03-30 22:04:59,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:04:59,165 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 22:04:59,173 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/sanfoundry_24-1.i[848,861] [2023-03-30 22:04:59,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:04:59,191 INFO L208 MainTranslator]: Completed translation [2023-03-30 22:04:59,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:04:59 WrapperNode [2023-03-30 22:04:59,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 22:04:59,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 22:04:59,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 22:04:59,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 22:04:59,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:04:59" (1/1) ... [2023-03-30 22:04:59,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:04:59" (1/1) ... [2023-03-30 22:04:59,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:04:59" (1/1) ... [2023-03-30 22:04:59,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:04:59" (1/1) ... [2023-03-30 22:04:59,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:04:59" (1/1) ... [2023-03-30 22:04:59,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:04:59" (1/1) ... [2023-03-30 22:04:59,222 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:04:59" (1/1) ... [2023-03-30 22:04:59,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:04:59" (1/1) ... [2023-03-30 22:04:59,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 22:04:59,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 22:04:59,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 22:04:59,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 22:04:59,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:04:59" (1/1) ... [2023-03-30 22:04:59,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:04:59,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:04:59,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-30 22:04:59,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-30 22:04:59,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 22:04:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 22:04:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 22:04:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-30 22:04:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printEven [2023-03-30 22:04:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printOdd [2023-03-30 22:04:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 22:04:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 22:04:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 22:04:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-30 22:04:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-30 22:04:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 22:04:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 22:04:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 22:04:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-30 22:04:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure printEven [2023-03-30 22:04:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure printOdd [2023-03-30 22:04:59,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 22:04:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-30 22:04:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 22:04:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 22:04:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 22:04:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 22:04:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 22:04:59,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 22:04:59,374 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 22:04:59,376 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 22:04:59,587 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 22:04:59,608 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 22:04:59,609 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-03-30 22:04:59,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:04:59 BoogieIcfgContainer [2023-03-30 22:04:59,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 22:04:59,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 22:04:59,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 22:04:59,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 22:04:59,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 10:04:59" (1/3) ... [2023-03-30 22:04:59,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6266603c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:04:59, skipping insertion in model container [2023-03-30 22:04:59,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:04:59" (2/3) ... [2023-03-30 22:04:59,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6266603c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:04:59, skipping insertion in model container [2023-03-30 22:04:59,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:04:59" (3/3) ... [2023-03-30 22:04:59,618 INFO L112 eAbstractionObserver]: Analyzing ICFG sanfoundry_24-1.i [2023-03-30 22:04:59,649 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 22:04:59,649 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 22:04:59,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 22:04:59,693 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@24d604bc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 22:04:59,693 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 22:04:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-03-30 22:04:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-03-30 22:04:59,703 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:04:59,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:04:59,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:04:59,708 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:04:59,709 INFO L85 PathProgramCache]: Analyzing trace with hash 349610285, now seen corresponding path program 1 times [2023-03-30 22:04:59,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:04:59,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383067423] [2023-03-30 22:04:59,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:04:59,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:04:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:04:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:04:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:04:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:04:59,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:04:59,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383067423] [2023-03-30 22:04:59,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383067423] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:04:59,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:04:59,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-30 22:04:59,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979688930] [2023-03-30 22:04:59,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:04:59,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:04:59,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:04:59,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:04:59,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-30 22:04:59,981 INFO L87 Difference]: Start difference. First operand has 39 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:05:00,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:05:00,077 INFO L93 Difference]: Finished difference Result 70 states and 90 transitions. [2023-03-30 22:05:00,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:05:00,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-03-30 22:05:00,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:05:00,085 INFO L225 Difference]: With dead ends: 70 [2023-03-30 22:05:00,085 INFO L226 Difference]: Without dead ends: 34 [2023-03-30 22:05:00,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-30 22:05:00,091 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 33 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:05:00,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 10 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-30 22:05:00,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-03-30 22:05:00,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-03-30 22:05:00,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-03-30 22:05:00,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2023-03-30 22:05:00,129 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 16 [2023-03-30 22:05:00,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:05:00,130 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2023-03-30 22:05:00,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:05:00,130 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2023-03-30 22:05:00,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-03-30 22:05:00,132 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:05:00,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:05:00,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 22:05:00,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:05:00,133 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:05:00,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1528691315, now seen corresponding path program 1 times [2023-03-30 22:05:00,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:05:00,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542517977] [2023-03-30 22:05:00,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:05:00,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:05:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:05:00,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:05:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:05:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:05:00,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:05:00,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542517977] [2023-03-30 22:05:00,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542517977] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:05:00,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:05:00,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-30 22:05:00,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084778513] [2023-03-30 22:05:00,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:05:00,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-30 22:05:00,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:05:00,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-30 22:05:00,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-30 22:05:00,311 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:05:00,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:05:00,490 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2023-03-30 22:05:00,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-30 22:05:00,491 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-03-30 22:05:00,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:05:00,493 INFO L225 Difference]: With dead ends: 75 [2023-03-30 22:05:00,494 INFO L226 Difference]: Without dead ends: 46 [2023-03-30 22:05:00,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:05:00,496 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 62 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:05:00,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 17 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-30 22:05:00,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-03-30 22:05:00,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 36. [2023-03-30 22:05:00,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-03-30 22:05:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2023-03-30 22:05:00,515 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 16 [2023-03-30 22:05:00,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:05:00,515 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2023-03-30 22:05:00,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:05:00,516 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2023-03-30 22:05:00,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-03-30 22:05:00,517 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:05:00,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:05:00,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-30 22:05:00,517 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:05:00,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:05:00,518 INFO L85 PathProgramCache]: Analyzing trace with hash 280728469, now seen corresponding path program 1 times [2023-03-30 22:05:00,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:05:00,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330141859] [2023-03-30 22:05:00,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:05:00,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:05:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:05:00,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:05:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:05:00,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 22:05:00,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:05:00,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330141859] [2023-03-30 22:05:00,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330141859] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:05:00,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:05:00,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-30 22:05:00,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154115465] [2023-03-30 22:05:00,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:05:00,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-30 22:05:00,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:05:00,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-30 22:05:00,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:05:00,947 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:05:01,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:05:01,216 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2023-03-30 22:05:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-30 22:05:01,217 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-03-30 22:05:01,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:05:01,220 INFO L225 Difference]: With dead ends: 42 [2023-03-30 22:05:01,220 INFO L226 Difference]: Without dead ends: 40 [2023-03-30 22:05:01,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-03-30 22:05:01,227 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 40 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:05:01,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 36 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-30 22:05:01,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-03-30 22:05:01,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-03-30 22:05:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-03-30 22:05:01,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2023-03-30 22:05:01,247 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 18 [2023-03-30 22:05:01,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:05:01,248 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2023-03-30 22:05:01,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:05:01,249 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-03-30 22:05:01,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-03-30 22:05:01,249 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:05:01,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:05:01,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-30 22:05:01,250 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:05:01,251 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:05:01,252 INFO L85 PathProgramCache]: Analyzing trace with hash 119894203, now seen corresponding path program 1 times [2023-03-30 22:05:01,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:05:01,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689393143] [2023-03-30 22:05:01,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:05:01,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:05:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:05:01,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:05:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:05:01,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-30 22:05:01,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:05:01,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689393143] [2023-03-30 22:05:01,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689393143] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:05:01,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:05:01,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-30 22:05:01,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26968074] [2023-03-30 22:05:01,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:05:01,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-30 22:05:01,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:05:01,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-30 22:05:01,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:05:01,620 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 9 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:05:01,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:05:01,852 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2023-03-30 22:05:01,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-30 22:05:01,852 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-03-30 22:05:01,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:05:01,853 INFO L225 Difference]: With dead ends: 40 [2023-03-30 22:05:01,853 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 22:05:01,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-03-30 22:05:01,854 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 33 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-30 22:05:01,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 36 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-30 22:05:01,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 22:05:01,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 22:05:01,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-30 22:05:01,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 22:05:01,856 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-03-30 22:05:01,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:05:01,856 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 22:05:01,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:05:01,857 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 22:05:01,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 22:05:01,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 22:05:01,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-30 22:05:01,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 22:05:01,937 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 22:05:01,937 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2023-03-30 22:05:01,937 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 22:05:01,937 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 30) no Hoare annotation was computed. [2023-03-30 22:05:01,937 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 21 47) no Hoare annotation was computed. [2023-03-30 22:05:01,937 INFO L902 garLoopResultBuilder]: At program point L27-3(lines 27 30) the Hoare annotation is: true [2023-03-30 22:05:01,938 INFO L899 garLoopResultBuilder]: For program point L27-4(lines 27 30) no Hoare annotation was computed. [2023-03-30 22:05:01,938 INFO L895 garLoopResultBuilder]: At program point L36(line 36) the Hoare annotation is: (<= |main_#t~mem6| (* (div |main_#t~mem6| 2) 2)) [2023-03-30 22:05:01,938 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2023-03-30 22:05:01,938 INFO L899 garLoopResultBuilder]: For program point L32-2(lines 32 38) no Hoare annotation was computed. [2023-03-30 22:05:01,938 INFO L902 garLoopResultBuilder]: At program point L32-3(lines 32 38) the Hoare annotation is: true [2023-03-30 22:05:01,939 INFO L899 garLoopResultBuilder]: For program point L32-4(lines 32 38) no Hoare annotation was computed. [2023-03-30 22:05:01,939 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 44) no Hoare annotation was computed. [2023-03-30 22:05:01,939 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 21 47) no Hoare annotation was computed. [2023-03-30 22:05:01,939 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 21 47) the Hoare annotation is: true [2023-03-30 22:05:01,939 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 37) no Hoare annotation was computed. [2023-03-30 22:05:01,940 INFO L895 garLoopResultBuilder]: At program point L43(line 43) the Hoare annotation is: (let ((.cse0 (+ |main_#t~mem9| 1))) (<= .cse0 (* 2 (div .cse0 2)))) [2023-03-30 22:05:01,941 INFO L899 garLoopResultBuilder]: For program point L43-1(line 43) no Hoare annotation was computed. [2023-03-30 22:05:01,941 INFO L899 garLoopResultBuilder]: For program point L39-2(lines 39 45) no Hoare annotation was computed. [2023-03-30 22:05:01,941 INFO L902 garLoopResultBuilder]: At program point L39-3(lines 39 45) the Hoare annotation is: true [2023-03-30 22:05:01,941 INFO L899 garLoopResultBuilder]: For program point L39-4(lines 39 45) no Hoare annotation was computed. [2023-03-30 22:05:01,942 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:05:01,943 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-30 22:05:01,946 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:05:01,951 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 18 20) the Hoare annotation is: true [2023-03-30 22:05:01,951 INFO L899 garLoopResultBuilder]: For program point printOddFINAL(lines 18 20) no Hoare annotation was computed. [2023-03-30 22:05:01,951 INFO L895 garLoopResultBuilder]: At program point L19(line 19) the Hoare annotation is: (or (< (+ 3 (* 2 (div (+ (- 3) |printOdd_#in~i|) 2))) |printOdd_#in~i|) (not (= printOdd_~i (* (div printOdd_~i 2) 2)))) [2023-03-30 22:05:01,951 INFO L899 garLoopResultBuilder]: For program point printOddEXIT(lines 18 20) no Hoare annotation was computed. [2023-03-30 22:05:01,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:05:01,951 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-03-30 22:05:01,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:05:01,951 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 22:05:01,952 INFO L895 garLoopResultBuilder]: At program point L16(line 16) the Hoare annotation is: (or (<= printEven_~i (* (div printEven_~i 2) 2)) (< (* 2 (div |printEven_#in~i| 2)) |printEven_#in~i|)) [2023-03-30 22:05:01,952 INFO L899 garLoopResultBuilder]: For program point printEvenEXIT(lines 15 17) no Hoare annotation was computed. [2023-03-30 22:05:01,952 INFO L899 garLoopResultBuilder]: For program point printEvenFINAL(lines 15 17) no Hoare annotation was computed. [2023-03-30 22:05:01,952 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 15 17) the Hoare annotation is: true [2023-03-30 22:05:01,952 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2023-03-30 22:05:01,952 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2023-03-30 22:05:01,952 INFO L899 garLoopResultBuilder]: For program point L14-3(line 14) no Hoare annotation was computed. [2023-03-30 22:05:01,952 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 14) no Hoare annotation was computed. [2023-03-30 22:05:01,952 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 14) the Hoare annotation is: true [2023-03-30 22:05:01,953 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2023-03-30 22:05:01,955 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-03-30 22:05:01,957 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 22:05:01,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 10:05:01 BoogieIcfgContainer [2023-03-30 22:05:01,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 22:05:01,969 INFO L158 Benchmark]: Toolchain (without parser) took 2957.91ms. Allocated memory was 169.9MB in the beginning and 282.1MB in the end (delta: 112.2MB). Free memory was 118.8MB in the beginning and 245.9MB in the end (delta: -127.1MB). Peak memory consumption was 145.8MB. Max. memory is 8.0GB. [2023-03-30 22:05:01,969 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 169.9MB. Free memory was 120.0MB in the beginning and 119.9MB in the end (delta: 141.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 22:05:01,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.08ms. Allocated memory is still 169.9MB. Free memory was 118.5MB in the beginning and 108.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-30 22:05:01,970 INFO L158 Benchmark]: Boogie Preprocessor took 32.36ms. Allocated memory is still 169.9MB. Free memory was 108.3MB in the beginning and 106.6MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-30 22:05:01,970 INFO L158 Benchmark]: RCFGBuilder took 385.13ms. Allocated memory is still 169.9MB. Free memory was 106.6MB in the beginning and 94.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-30 22:05:01,970 INFO L158 Benchmark]: TraceAbstraction took 2355.94ms. Allocated memory was 169.9MB in the beginning and 282.1MB in the end (delta: 112.2MB). Free memory was 93.3MB in the beginning and 245.9MB in the end (delta: -152.6MB). Peak memory consumption was 120.7MB. Max. memory is 8.0GB. [2023-03-30 22:05:01,971 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 169.9MB. Free memory was 120.0MB in the beginning and 119.9MB in the end (delta: 141.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 178.08ms. Allocated memory is still 169.9MB. Free memory was 118.5MB in the beginning and 108.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.36ms. Allocated memory is still 169.9MB. Free memory was 108.3MB in the beginning and 106.6MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 385.13ms. Allocated memory is still 169.9MB. Free memory was 106.6MB in the beginning and 94.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2355.94ms. Allocated memory was 169.9MB in the beginning and 282.1MB in the end (delta: 112.2MB). Free memory was 93.3MB in the beginning and 245.9MB in the end (delta: -152.6MB). Peak memory consumption was 120.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 594 IncrementalHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 22 mSDtfsCounter, 594 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=3, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 27 PreInvPairs, 35 NumberOfFragments, 69 HoareAnnotationTreeSize, 27 FomulaSimplifications, 54 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 56 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-03-30 22:05:01,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...