/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/eca-rers2012/Problem02_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-30 22:43:02,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-30 22:43:02,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-30 22:43:02,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-03-30 22:43:02,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-30 22:43:02,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-30 22:43:02,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-30 22:43:02,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-30 22:43:02,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-30 22:43:02,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-30 22:43:02,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-30 22:43:02,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-30 22:43:02,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-30 22:43:02,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-30 22:43:02,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-30 22:43:02,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-30 22:43:02,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-30 22:43:02,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-30 22:43:02,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-30 22:43:02,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-30 22:43:02,488 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 22:43:02,517 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-30 22:43:02,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-30 22:43:02,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-30 22:43:02,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-30 22:43:02,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-30 22:43:02,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-30 22:43:02,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-30 22:43:02,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-30 22:43:02,519 INFO L138 SettingsManager]: * Use SBE=true [2023-03-30 22:43:02,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-30 22:43:02,520 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-30 22:43:02,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-30 22:43:02,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-30 22:43:02,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-30 22:43:02,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-30 22:43:02,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-30 22:43:02,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-30 22:43:02,521 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-30 22:43:02,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-30 22:43:02,521 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-30 22:43:02,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-30 22:43:02,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-30 22:43:02,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-30 22:43:02,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-30 22:43:02,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:43:02,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-30 22:43:02,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-30 22:43:02,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-30 22:43:02,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-30 22:43:02,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-30 22:43:02,522 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-30 22:43:02,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-30 22:43:02,522 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-30 22:43:02,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-30 22:43:02,522 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-30 22:43:02,523 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-30 22:43:02,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-30 22:43:02,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-30 22:43:02,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-30 22:43:02,758 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-30 22:43:02,758 INFO L275 PluginConnector]: CDTParser initialized [2023-03-30 22:43:02,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2023-03-30 22:43:03,892 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-30 22:43:04,082 INFO L351 CDTParser]: Found 1 translation units. [2023-03-30 22:43:04,082 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2023-03-30 22:43:04,106 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c752015f/13bcdad7c4df41d9ad121e1e29a17a4b/FLAG088d03255 [2023-03-30 22:43:04,119 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c752015f/13bcdad7c4df41d9ad121e1e29a17a4b [2023-03-30 22:43:04,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-30 22:43:04,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-30 22:43:04,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-30 22:43:04,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-30 22:43:04,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-30 22:43:04,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:43:04" (1/1) ... [2023-03-30 22:43:04,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311a7c7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:04, skipping insertion in model container [2023-03-30 22:43:04,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.03 10:43:04" (1/1) ... [2023-03-30 22:43:04,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-30 22:43:04,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-30 22:43:04,408 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/eca-rers2012/Problem02_label26.c[20881,20894] [2023-03-30 22:43:04,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:43:04,430 INFO L203 MainTranslator]: Completed pre-run [2023-03-30 22:43:04,499 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/eca-rers2012/Problem02_label26.c[20881,20894] [2023-03-30 22:43:04,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-30 22:43:04,514 INFO L208 MainTranslator]: Completed translation [2023-03-30 22:43:04,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:04 WrapperNode [2023-03-30 22:43:04,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-30 22:43:04,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-30 22:43:04,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-30 22:43:04,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-30 22:43:04,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:04" (1/1) ... [2023-03-30 22:43:04,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:04" (1/1) ... [2023-03-30 22:43:04,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:04" (1/1) ... [2023-03-30 22:43:04,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:04" (1/1) ... [2023-03-30 22:43:04,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:04" (1/1) ... [2023-03-30 22:43:04,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:04" (1/1) ... [2023-03-30 22:43:04,589 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:04" (1/1) ... [2023-03-30 22:43:04,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:04" (1/1) ... [2023-03-30 22:43:04,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-30 22:43:04,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-30 22:43:04,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-30 22:43:04,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-30 22:43:04,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:04" (1/1) ... [2023-03-30 22:43:04,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-30 22:43:04,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:04,636 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 22:43:04,642 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 22:43:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-30 22:43:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-30 22:43:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-30 22:43:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-30 22:43:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-30 22:43:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-30 22:43:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-30 22:43:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-30 22:43:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-30 22:43:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-30 22:43:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-30 22:43:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-30 22:43:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-30 22:43:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-30 22:43:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-30 22:43:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-30 22:43:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-30 22:43:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-30 22:43:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-30 22:43:04,721 INFO L236 CfgBuilder]: Building ICFG [2023-03-30 22:43:04,723 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-30 22:43:05,501 INFO L277 CfgBuilder]: Performing block encoding [2023-03-30 22:43:05,513 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-30 22:43:05,513 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-30 22:43:05,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:43:05 BoogieIcfgContainer [2023-03-30 22:43:05,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-30 22:43:05,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-30 22:43:05,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-30 22:43:05,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-30 22:43:05,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.03 10:43:04" (1/3) ... [2023-03-30 22:43:05,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66543c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:43:05, skipping insertion in model container [2023-03-30 22:43:05,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.03 10:43:04" (2/3) ... [2023-03-30 22:43:05,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66543c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.03 10:43:05, skipping insertion in model container [2023-03-30 22:43:05,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.03 10:43:05" (3/3) ... [2023-03-30 22:43:05,521 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2023-03-30 22:43:05,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-30 22:43:05,534 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-30 22:43:05,590 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-30 22:43:05,595 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;@69e9eab3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-30 22:43:05,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-30 22:43:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-30 22:43:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-03-30 22:43:05,609 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:05,610 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:05,610 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:05,614 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:05,614 INFO L85 PathProgramCache]: Analyzing trace with hash -446790751, now seen corresponding path program 1 times [2023-03-30 22:43:05,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:05,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512236616] [2023-03-30 22:43:05,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:05,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:06,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:06,351 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 22:43:06,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:06,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512236616] [2023-03-30 22:43:06,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512236616] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:06,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:43:06,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-30 22:43:06,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985485556] [2023-03-30 22:43:06,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:06,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-30 22:43:06,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:06,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-30 22:43:06,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-03-30 22:43:06,397 INFO L87 Difference]: Start difference. First operand has 236 states, 228 states have (on average 1.6578947368421053) internal successors, (378), 229 states have internal predecessors, (378), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:43:07,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:07,388 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2023-03-30 22:43:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-30 22:43:07,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 142 [2023-03-30 22:43:07,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:07,413 INFO L225 Difference]: With dead ends: 627 [2023-03-30 22:43:07,413 INFO L226 Difference]: Without dead ends: 327 [2023-03-30 22:43:07,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-03-30 22:43:07,423 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 777 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:07,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 33 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-30 22:43:07,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-03-30 22:43:07,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2023-03-30 22:43:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 310 states have (on average 1.5161290322580645) internal successors, (470), 311 states have internal predecessors, (470), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:07,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2023-03-30 22:43:07,491 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 142 [2023-03-30 22:43:07,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:07,494 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2023-03-30 22:43:07,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-30 22:43:07,495 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2023-03-30 22:43:07,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-03-30 22:43:07,499 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:07,500 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:07,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-30 22:43:07,500 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:07,501 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:07,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1603190959, now seen corresponding path program 1 times [2023-03-30 22:43:07,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:07,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662231647] [2023-03-30 22:43:07,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:07,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:07,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:07,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:07,819 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:07,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:07,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662231647] [2023-03-30 22:43:07,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662231647] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:07,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:43:07,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-30 22:43:07,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610828789] [2023-03-30 22:43:07,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:07,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-30 22:43:07,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:07,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-30 22:43:07,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-03-30 22:43:07,823 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 5 states have internal predecessors, (151), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 22:43:08,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:08,889 INFO L93 Difference]: Finished difference Result 1102 states and 1690 transitions. [2023-03-30 22:43:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-30 22:43:08,890 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 5 states have internal predecessors, (151), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 157 [2023-03-30 22:43:08,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:08,894 INFO L225 Difference]: With dead ends: 1102 [2023-03-30 22:43:08,894 INFO L226 Difference]: Without dead ends: 789 [2023-03-30 22:43:08,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2023-03-30 22:43:08,896 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1128 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:08,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 106 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-03-30 22:43:08,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2023-03-30 22:43:08,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 772. [2023-03-30 22:43:08,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 752 states have (on average 1.4534574468085106) internal successors, (1093), 758 states have internal predecessors, (1093), 7 states have call successors, (7), 7 states have call predecessors, (7), 12 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2023-03-30 22:43:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1127 transitions. [2023-03-30 22:43:08,951 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1127 transitions. Word has length 157 [2023-03-30 22:43:08,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:08,955 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 1127 transitions. [2023-03-30 22:43:08,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 21.571428571428573) internal successors, (151), 5 states have internal predecessors, (151), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 22:43:08,955 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1127 transitions. [2023-03-30 22:43:08,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-03-30 22:43:08,961 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:08,961 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:08,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-30 22:43:08,961 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:08,962 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:08,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1018574203, now seen corresponding path program 1 times [2023-03-30 22:43:08,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:08,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39259690] [2023-03-30 22:43:08,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:08,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:09,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-03-30 22:43:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-30 22:43:09,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:09,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39259690] [2023-03-30 22:43:09,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39259690] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:09,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506640687] [2023-03-30 22:43:09,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:09,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:09,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:09,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:09,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-30 22:43:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:09,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:09,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:09,509 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:09,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506640687] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:09,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:09,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2023-03-30 22:43:09,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252254676] [2023-03-30 22:43:09,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:09,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:43:09,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:09,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:43:09,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:09,660 INFO L87 Difference]: Start difference. First operand 772 states and 1127 transitions. Second operand has 12 states, 12 states have (on average 15.416666666666666) internal successors, (185), 10 states have internal predecessors, (185), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:10,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:10,398 INFO L93 Difference]: Finished difference Result 1395 states and 2061 transitions. [2023-03-30 22:43:10,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 22:43:10,398 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.416666666666666) internal successors, (185), 10 states have internal predecessors, (185), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 165 [2023-03-30 22:43:10,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:10,402 INFO L225 Difference]: With dead ends: 1395 [2023-03-30 22:43:10,402 INFO L226 Difference]: Without dead ends: 629 [2023-03-30 22:43:10,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 334 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-03-30 22:43:10,405 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1178 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:10,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1178 Valid, 47 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-30 22:43:10,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2023-03-30 22:43:10,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 611. [2023-03-30 22:43:10,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 597 states have (on average 1.4137353433835846) internal successors, (844), 599 states have internal predecessors, (844), 6 states have call successors, (6), 6 states have call predecessors, (6), 7 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2023-03-30 22:43:10,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 865 transitions. [2023-03-30 22:43:10,429 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 865 transitions. Word has length 165 [2023-03-30 22:43:10,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:10,430 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 865 transitions. [2023-03-30 22:43:10,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.416666666666666) internal successors, (185), 10 states have internal predecessors, (185), 4 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 865 transitions. [2023-03-30 22:43:10,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-03-30 22:43:10,433 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:10,433 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:10,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:10,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:10,639 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:10,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:10,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1885497966, now seen corresponding path program 1 times [2023-03-30 22:43:10,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:10,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590902501] [2023-03-30 22:43:10,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:10,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:10,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:10,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590902501] [2023-03-30 22:43:10,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590902501] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:10,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-30 22:43:10,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-30 22:43:10,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077774612] [2023-03-30 22:43:10,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:10,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-30 22:43:10,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:10,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-30 22:43:10,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:10,841 INFO L87 Difference]: Start difference. First operand 611 states and 865 transitions. Second operand has 7 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 22:43:11,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:11,528 INFO L93 Difference]: Finished difference Result 1876 states and 2744 transitions. [2023-03-30 22:43:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-30 22:43:11,530 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 164 [2023-03-30 22:43:11,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:11,536 INFO L225 Difference]: With dead ends: 1876 [2023-03-30 22:43:11,536 INFO L226 Difference]: Without dead ends: 1271 [2023-03-30 22:43:11,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:11,542 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 834 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:11,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 76 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-30 22:43:11,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2023-03-30 22:43:11,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1219. [2023-03-30 22:43:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1188 states have (on average 1.361952861952862) internal successors, (1618), 1199 states have internal predecessors, (1618), 10 states have call successors, (10), 10 states have call predecessors, (10), 20 states have return successors, (61), 9 states have call predecessors, (61), 9 states have call successors, (61) [2023-03-30 22:43:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1689 transitions. [2023-03-30 22:43:11,586 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1689 transitions. Word has length 164 [2023-03-30 22:43:11,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:11,587 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1689 transitions. [2023-03-30 22:43:11,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 26.333333333333332) internal successors, (158), 4 states have internal predecessors, (158), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-30 22:43:11,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1689 transitions. [2023-03-30 22:43:11,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-03-30 22:43:11,590 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:11,591 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:11,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-30 22:43:11,591 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:11,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:11,592 INFO L85 PathProgramCache]: Analyzing trace with hash 2040607242, now seen corresponding path program 1 times [2023-03-30 22:43:11,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:11,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740276965] [2023-03-30 22:43:11,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:11,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:12,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:12,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:12,122 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:12,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:12,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740276965] [2023-03-30 22:43:12,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740276965] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:12,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860249995] [2023-03-30 22:43:12,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:12,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:12,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:12,124 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:12,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-30 22:43:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:12,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:12,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:12,384 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:12,384 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:12,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860249995] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:12,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:12,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-03-30 22:43:12,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047740410] [2023-03-30 22:43:12,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:12,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:43:12,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:12,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:43:12,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:12,386 INFO L87 Difference]: Start difference. First operand 1219 states and 1689 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-30 22:43:12,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:12,699 INFO L93 Difference]: Finished difference Result 3452 states and 4892 transitions. [2023-03-30 22:43:12,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:43:12,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 168 [2023-03-30 22:43:12,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:12,709 INFO L225 Difference]: With dead ends: 3452 [2023-03-30 22:43:12,710 INFO L226 Difference]: Without dead ends: 2239 [2023-03-30 22:43:12,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-30 22:43:12,714 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 14 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:12,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 101 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 22:43:12,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2023-03-30 22:43:12,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2095. [2023-03-30 22:43:12,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2095 states, 2048 states have (on average 1.2392578125) internal successors, (2538), 2063 states have internal predecessors, (2538), 16 states have call successors, (16), 16 states have call predecessors, (16), 30 states have return successors, (134), 15 states have call predecessors, (134), 15 states have call successors, (134) [2023-03-30 22:43:12,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 2095 states and 2688 transitions. [2023-03-30 22:43:12,775 INFO L78 Accepts]: Start accepts. Automaton has 2095 states and 2688 transitions. Word has length 168 [2023-03-30 22:43:12,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:12,776 INFO L495 AbstractCegarLoop]: Abstraction has 2095 states and 2688 transitions. [2023-03-30 22:43:12,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-03-30 22:43:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2688 transitions. [2023-03-30 22:43:12,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-03-30 22:43:12,781 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:12,781 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:12,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:12,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:12,988 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:12,989 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:12,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1493114652, now seen corresponding path program 1 times [2023-03-30 22:43:12,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:12,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12066517] [2023-03-30 22:43:12,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:12,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:13,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:13,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:13,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-03-30 22:43:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-03-30 22:43:13,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:13,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12066517] [2023-03-30 22:43:13,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12066517] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:13,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221025343] [2023-03-30 22:43:13,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:13,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:13,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:13,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:13,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-30 22:43:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:13,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:13,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-30 22:43:13,699 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:13,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221025343] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:13,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:13,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-03-30 22:43:13,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696650122] [2023-03-30 22:43:13,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:13,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:43:13,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:13,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:43:13,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:13,700 INFO L87 Difference]: Start difference. First operand 2095 states and 2688 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 22:43:14,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:14,056 INFO L93 Difference]: Finished difference Result 5810 states and 7544 transitions. [2023-03-30 22:43:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:43:14,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 177 [2023-03-30 22:43:14,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:14,068 INFO L225 Difference]: With dead ends: 5810 [2023-03-30 22:43:14,068 INFO L226 Difference]: Without dead ends: 3721 [2023-03-30 22:43:14,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:14,073 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 23 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:14,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 269 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-30 22:43:14,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3721 states. [2023-03-30 22:43:14,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3721 to 3575. [2023-03-30 22:43:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3575 states, 3499 states have (on average 1.1831951986281795) internal successors, (4140), 3523 states have internal predecessors, (4140), 26 states have call successors, (26), 26 states have call predecessors, (26), 49 states have return successors, (250), 25 states have call predecessors, (250), 25 states have call successors, (250) [2023-03-30 22:43:14,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3575 states and 4416 transitions. [2023-03-30 22:43:14,149 INFO L78 Accepts]: Start accepts. Automaton has 3575 states and 4416 transitions. Word has length 177 [2023-03-30 22:43:14,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:14,149 INFO L495 AbstractCegarLoop]: Abstraction has 3575 states and 4416 transitions. [2023-03-30 22:43:14,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 22:43:14,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3575 states and 4416 transitions. [2023-03-30 22:43:14,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-03-30 22:43:14,155 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:14,155 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:14,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:14,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:14,361 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:14,362 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:14,362 INFO L85 PathProgramCache]: Analyzing trace with hash -291817124, now seen corresponding path program 1 times [2023-03-30 22:43:14,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:14,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558330396] [2023-03-30 22:43:14,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:14,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:14,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:14,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-03-30 22:43:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-30 22:43:14,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:14,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558330396] [2023-03-30 22:43:14,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558330396] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:14,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029180688] [2023-03-30 22:43:14,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:14,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:14,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:14,507 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:14,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-30 22:43:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:14,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:14,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:14,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:14,804 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-30 22:43:14,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029180688] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:14,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:14,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-03-30 22:43:14,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27765000] [2023-03-30 22:43:14,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:14,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:43:14,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:14,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:43:14,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:14,807 INFO L87 Difference]: Start difference. First operand 3575 states and 4416 transitions. Second operand has 12 states, 12 states have (on average 19.166666666666668) internal successors, (230), 10 states have internal predecessors, (230), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:17,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:17,110 INFO L93 Difference]: Finished difference Result 8581 states and 11351 transitions. [2023-03-30 22:43:17,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-03-30 22:43:17,111 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 19.166666666666668) internal successors, (230), 10 states have internal predecessors, (230), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 181 [2023-03-30 22:43:17,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:17,127 INFO L225 Difference]: With dead ends: 8581 [2023-03-30 22:43:17,127 INFO L226 Difference]: Without dead ends: 5156 [2023-03-30 22:43:17,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 373 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=275, Invalid=1131, Unknown=0, NotChecked=0, Total=1406 [2023-03-30 22:43:17,134 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1820 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 2565 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 2921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 2565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:17,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 180 Invalid, 2921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 2565 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-03-30 22:43:17,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5156 states. [2023-03-30 22:43:17,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5156 to 4211. [2023-03-30 22:43:17,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4211 states, 4083 states have (on average 1.101151114376684) internal successors, (4496), 4151 states have internal predecessors, (4496), 30 states have call successors, (30), 30 states have call predecessors, (30), 97 states have return successors, (279), 29 states have call predecessors, (279), 29 states have call successors, (279) [2023-03-30 22:43:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4211 states to 4211 states and 4805 transitions. [2023-03-30 22:43:17,234 INFO L78 Accepts]: Start accepts. Automaton has 4211 states and 4805 transitions. Word has length 181 [2023-03-30 22:43:17,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:17,234 INFO L495 AbstractCegarLoop]: Abstraction has 4211 states and 4805 transitions. [2023-03-30 22:43:17,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.166666666666668) internal successors, (230), 10 states have internal predecessors, (230), 4 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 4211 states and 4805 transitions. [2023-03-30 22:43:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-03-30 22:43:17,242 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:17,242 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:17,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:17,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:17,448 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:17,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:17,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1016053374, now seen corresponding path program 1 times [2023-03-30 22:43:17,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:17,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937788425] [2023-03-30 22:43:17,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:17,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:17,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:17,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:17,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-03-30 22:43:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-03-30 22:43:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 125 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-03-30 22:43:17,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:17,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937788425] [2023-03-30 22:43:17,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937788425] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:17,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482806612] [2023-03-30 22:43:17,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:17,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:17,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:17,865 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:17,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-30 22:43:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:17,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:17,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:18,043 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-30 22:43:18,043 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:18,213 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-30 22:43:18,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482806612] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:18,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:18,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2023-03-30 22:43:18,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115571799] [2023-03-30 22:43:18,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:18,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-30 22:43:18,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:18,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-30 22:43:18,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-03-30 22:43:18,219 INFO L87 Difference]: Start difference. First operand 4211 states and 4805 transitions. Second operand has 12 states, 12 states have (on average 30.416666666666668) internal successors, (365), 10 states have internal predecessors, (365), 5 states have call successors, (11), 7 states have call predecessors, (11), 5 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-30 22:43:19,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:19,832 INFO L93 Difference]: Finished difference Result 9152 states and 10587 transitions. [2023-03-30 22:43:19,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-30 22:43:19,833 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 30.416666666666668) internal successors, (365), 10 states have internal predecessors, (365), 5 states have call successors, (11), 7 states have call predecessors, (11), 5 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 247 [2023-03-30 22:43:19,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:19,847 INFO L225 Difference]: With dead ends: 9152 [2023-03-30 22:43:19,847 INFO L226 Difference]: Without dead ends: 4645 [2023-03-30 22:43:19,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 505 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2023-03-30 22:43:19,856 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 2448 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2448 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 2064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:19,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2448 Valid, 67 Invalid, 2064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 1852 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-03-30 22:43:19,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4645 states. [2023-03-30 22:43:19,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4645 to 4341. [2023-03-30 22:43:19,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4341 states, 4218 states have (on average 1.0945945945945945) internal successors, (4617), 4279 states have internal predecessors, (4617), 31 states have call successors, (31), 31 states have call predecessors, (31), 91 states have return successors, (268), 30 states have call predecessors, (268), 30 states have call successors, (268) [2023-03-30 22:43:19,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 4341 states and 4916 transitions. [2023-03-30 22:43:19,952 INFO L78 Accepts]: Start accepts. Automaton has 4341 states and 4916 transitions. Word has length 247 [2023-03-30 22:43:19,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:19,952 INFO L495 AbstractCegarLoop]: Abstraction has 4341 states and 4916 transitions. [2023-03-30 22:43:19,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 30.416666666666668) internal successors, (365), 10 states have internal predecessors, (365), 5 states have call successors, (11), 7 states have call predecessors, (11), 5 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-30 22:43:19,953 INFO L276 IsEmpty]: Start isEmpty. Operand 4341 states and 4916 transitions. [2023-03-30 22:43:19,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-03-30 22:43:19,961 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:19,961 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:19,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:20,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:20,169 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:20,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:20,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1873266468, now seen corresponding path program 1 times [2023-03-30 22:43:20,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:20,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700833369] [2023-03-30 22:43:20,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:20,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:20,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-03-30 22:43:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-03-30 22:43:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-03-30 22:43:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:20,419 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 126 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-03-30 22:43:20,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:20,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700833369] [2023-03-30 22:43:20,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700833369] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:20,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519103938] [2023-03-30 22:43:20,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:20,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:20,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:20,421 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:20,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-30 22:43:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:20,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 4 conjunts are in the unsatisfiable core [2023-03-30 22:43:20,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-03-30 22:43:20,588 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:20,678 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 127 proven. 45 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-03-30 22:43:20,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519103938] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:20,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:20,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 11 [2023-03-30 22:43:20,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658046547] [2023-03-30 22:43:20,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:20,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-30 22:43:20,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:20,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-30 22:43:20,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-03-30 22:43:20,680 INFO L87 Difference]: Start difference. First operand 4341 states and 4916 transitions. Second operand has 11 states, 11 states have (on average 26.727272727272727) internal successors, (294), 9 states have internal predecessors, (294), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-30 22:43:21,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:21,444 INFO L93 Difference]: Finished difference Result 7986 states and 9029 transitions. [2023-03-30 22:43:21,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-30 22:43:21,445 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 26.727272727272727) internal successors, (294), 9 states have internal predecessors, (294), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 270 [2023-03-30 22:43:21,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:21,455 INFO L225 Difference]: With dead ends: 7986 [2023-03-30 22:43:21,455 INFO L226 Difference]: Without dead ends: 3885 [2023-03-30 22:43:21,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 548 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-03-30 22:43:21,462 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 504 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:21,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 70 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-30 22:43:21,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2023-03-30 22:43:21,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 3875. [2023-03-30 22:43:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3875 states, 3773 states have (on average 1.0596342433077126) internal successors, (3998), 3819 states have internal predecessors, (3998), 28 states have call successors, (28), 28 states have call predecessors, (28), 73 states have return successors, (176), 27 states have call predecessors, (176), 27 states have call successors, (176) [2023-03-30 22:43:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3875 states to 3875 states and 4202 transitions. [2023-03-30 22:43:21,566 INFO L78 Accepts]: Start accepts. Automaton has 3875 states and 4202 transitions. Word has length 270 [2023-03-30 22:43:21,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:21,566 INFO L495 AbstractCegarLoop]: Abstraction has 3875 states and 4202 transitions. [2023-03-30 22:43:21,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 26.727272727272727) internal successors, (294), 9 states have internal predecessors, (294), 4 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-30 22:43:21,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3875 states and 4202 transitions. [2023-03-30 22:43:21,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-03-30 22:43:21,574 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:21,575 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:21,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-03-30 22:43:21,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:21,781 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:21,781 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:21,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1095618476, now seen corresponding path program 1 times [2023-03-30 22:43:21,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:21,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463938085] [2023-03-30 22:43:21,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:21,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:21,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-03-30 22:43:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-03-30 22:43:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:21,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-30 22:43:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 134 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-03-30 22:43:21,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:21,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463938085] [2023-03-30 22:43:21,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463938085] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:21,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805547475] [2023-03-30 22:43:21,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:21,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:21,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:21,962 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:21,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-03-30 22:43:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:22,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 7 conjunts are in the unsatisfiable core [2023-03-30 22:43:22,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-03-30 22:43:22,139 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-30 22:43:22,236 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 135 proven. 45 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-03-30 22:43:22,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805547475] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-30 22:43:22,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-30 22:43:22,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 9 [2023-03-30 22:43:22,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543278805] [2023-03-30 22:43:22,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-30 22:43:22,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-30 22:43:22,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:22,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-30 22:43:22,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:22,238 INFO L87 Difference]: Start difference. First operand 3875 states and 4202 transitions. Second operand has 9 states, 9 states have (on average 30.11111111111111) internal successors, (271), 7 states have internal predecessors, (271), 3 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:23,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:23,211 INFO L93 Difference]: Finished difference Result 7488 states and 8105 transitions. [2023-03-30 22:43:23,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-30 22:43:23,211 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 30.11111111111111) internal successors, (271), 7 states have internal predecessors, (271), 3 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 274 [2023-03-30 22:43:23,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:23,218 INFO L225 Difference]: With dead ends: 7488 [2023-03-30 22:43:23,218 INFO L226 Difference]: Without dead ends: 2852 [2023-03-30 22:43:23,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-03-30 22:43:23,225 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 658 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:23,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 65 Invalid, 1553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-03-30 22:43:23,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2023-03-30 22:43:23,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2546. [2023-03-30 22:43:23,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2546 states, 2474 states have (on average 1.032336297493937) internal successors, (2554), 2508 states have internal predecessors, (2554), 19 states have call successors, (19), 19 states have call predecessors, (19), 52 states have return successors, (68), 18 states have call predecessors, (68), 18 states have call successors, (68) [2023-03-30 22:43:23,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 2641 transitions. [2023-03-30 22:43:23,274 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 2641 transitions. Word has length 274 [2023-03-30 22:43:23,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:23,275 INFO L495 AbstractCegarLoop]: Abstraction has 2546 states and 2641 transitions. [2023-03-30 22:43:23,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.11111111111111) internal successors, (271), 7 states have internal predecessors, (271), 3 states have call successors, (11), 6 states have call predecessors, (11), 5 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-03-30 22:43:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 2641 transitions. [2023-03-30 22:43:23,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2023-03-30 22:43:23,280 INFO L187 NwaCegarLoop]: Found error trace [2023-03-30 22:43:23,280 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:43:23,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:23,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:23,485 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-30 22:43:23,485 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-30 22:43:23,485 INFO L85 PathProgramCache]: Analyzing trace with hash 643661223, now seen corresponding path program 1 times [2023-03-30 22:43:23,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-30 22:43:23,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633626932] [2023-03-30 22:43:23,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:23,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-30 22:43:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:23,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-30 22:43:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:23,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-03-30 22:43:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:23,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-03-30 22:43:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-30 22:43:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 245 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-30 22:43:24,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-30 22:43:24,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633626932] [2023-03-30 22:43:24,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633626932] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-30 22:43:24,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986177066] [2023-03-30 22:43:24,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-30 22:43:24,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-30 22:43:24,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-30 22:43:24,019 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-30 22:43:24,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-03-30 22:43:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-30 22:43:24,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 7 conjunts are in the unsatisfiable core [2023-03-30 22:43:24,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-30 22:43:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-03-30 22:43:24,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-30 22:43:24,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986177066] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-30 22:43:24,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-30 22:43:24,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-03-30 22:43:24,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586268170] [2023-03-30 22:43:24,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-30 22:43:24,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-30 22:43:24,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-30 22:43:24,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-30 22:43:24,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:24,279 INFO L87 Difference]: Start difference. First operand 2546 states and 2641 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 22:43:24,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-30 22:43:24,493 INFO L93 Difference]: Finished difference Result 3136 states and 3246 transitions. [2023-03-30 22:43:24,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-30 22:43:24,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 305 [2023-03-30 22:43:24,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-30 22:43:24,494 INFO L225 Difference]: With dead ends: 3136 [2023-03-30 22:43:24,494 INFO L226 Difference]: Without dead ends: 0 [2023-03-30 22:43:24,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-03-30 22:43:24,498 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 7 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-30 22:43:24,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 213 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-30 22:43:24,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-30 22:43:24,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-30 22:43:24,499 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 22:43:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-30 22:43:24,499 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 305 [2023-03-30 22:43:24,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-30 22:43:24,499 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-30 22:43:24,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-30 22:43:24,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-30 22:43:24,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-30 22:43:24,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-30 22:43:24,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-03-30 22:43:24,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-03-30 22:43:24,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-30 22:43:29,303 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2023-03-30 22:43:29,303 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 12) no Hoare annotation was computed. [2023-03-30 22:43:29,303 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 12) no Hoare annotation was computed. [2023-03-30 22:43:29,303 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 610 627) no Hoare annotation was computed. [2023-03-30 22:43:29,304 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 7)) (.cse0 (<= ~a17~0 7)) (.cse8 (<= ~a19~0 0)) (.cse5 (= ~a25~0 1)) (.cse10 (= ~a11~0 1)) (.cse11 (not (= ~a28~0 8))) (.cse6 (<= ~a11~0 0)) (.cse9 (= ~a25~0 0)) (.cse3 (<= 10 ~a28~0)) (.cse4 (= ~a17~0 8)) (.cse7 (<= ~a28~0 10)) (.cse1 (= ~a19~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse4 .cse5 .cse6 .cse2 .cse8) (< 0 |old(~a11~0)|) (and .cse4 .cse6 .cse7 .cse9 .cse8) (and .cse3 .cse10 .cse0 .cse7 .cse1 .cse9) (< 7 |old(~a28~0)|) (and .cse4 .cse5 .cse11 .cse7 .cse1) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (and .cse4 .cse10 .cse9 .cse2 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse11 .cse10 .cse7 .cse1 .cse9) (and (not (= ~a28~0 ~a17~0)) .cse0 .cse8) (and .cse4 .cse5 .cse6 .cse1) (and .cse3 .cse4 .cse5 .cse1 (not .cse10)) (and .cse4 .cse11 .cse6 .cse7 .cse1 .cse9) (and .cse3 .cse4 .cse7 .cse1))) [2023-03-30 22:43:29,304 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2023-03-30 22:43:29,304 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-03-30 22:43:29,304 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 627) the Hoare annotation is: (or (< 0 |old(~a11~0)|) (< 7 |old(~a28~0)|) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a17~0 8) (= ~a11~0 |old(~a11~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 1) (= ~a25~0 0))) [2023-03-30 22:43:29,304 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 7)) (.cse0 (<= ~a17~0 7)) (.cse8 (<= ~a19~0 0)) (.cse5 (= ~a25~0 1)) (.cse10 (= ~a11~0 1)) (.cse11 (not (= ~a28~0 8))) (.cse6 (<= ~a11~0 0)) (.cse9 (= ~a25~0 0)) (.cse3 (<= 10 ~a28~0)) (.cse4 (= ~a17~0 8)) (.cse7 (<= ~a28~0 10)) (.cse1 (= ~a19~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse4 .cse5 .cse6 .cse2 .cse8) (< 0 |old(~a11~0)|) (and .cse4 .cse6 .cse7 .cse9 .cse8) (and .cse3 .cse10 .cse0 .cse7 .cse1 .cse9) (< 7 |old(~a28~0)|) (and .cse4 .cse5 .cse11 .cse7 .cse1) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a25~0)|)) (and .cse4 .cse10 .cse9 .cse2 .cse8) (not (= 8 |old(~a17~0)|)) (and .cse4 .cse11 .cse10 .cse7 .cse1 .cse9) (and (not (= ~a28~0 ~a17~0)) .cse0 .cse8) (and .cse4 .cse5 .cse6 .cse1) (and .cse3 .cse4 .cse5 .cse1 (not .cse10)) (and .cse4 .cse11 .cse6 .cse7 .cse1 .cse9) (and .cse3 .cse4 .cse7 .cse1))) [2023-03-30 22:43:29,304 INFO L899 garLoopResultBuilder]: For program point L616-3(lines 610 627) no Hoare annotation was computed. [2023-03-30 22:43:29,304 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~c~0 |old(~c~0)|) (= ~w~0 |old(~w~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a21~0 |old(~a21~0)|) (= ~v~0 |old(~v~0)|) (= ~z~0 |old(~z~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a17~0 |old(~a17~0)|) (= ~e~0 |old(~e~0)|) (= ~u~0 |old(~u~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~a28~0 |old(~a28~0)|) (= ~x~0 |old(~x~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2023-03-30 22:43:29,305 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2023-03-30 22:43:29,306 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-03-30 22:43:29,307 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-03-30 22:43:29,314 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2023-03-30 22:43:29,314 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2023-03-30 22:43:29,314 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2023-03-30 22:43:29,314 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2023-03-30 22:43:29,314 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2023-03-30 22:43:29,314 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2023-03-30 22:43:29,314 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2023-03-30 22:43:29,314 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2023-03-30 22:43:29,314 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2023-03-30 22:43:29,314 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-03-30 22:43:29,315 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2023-03-30 22:43:29,316 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point calculate_outputFINAL(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point calculate_outputEXIT(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,317 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,318 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,319 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2023-03-30 22:43:29,320 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 39 608) the Hoare annotation is: (let ((.cse7 (= |old(~a11~0)| 1)) (.cse19 (= ~a17~0 |old(~a17~0)|)) (.cse18 (= ~a25~0 |old(~a25~0)|)) (.cse24 (= ~a19~0 |old(~a19~0)|)) (.cse14 (= ~a17~0 8)) (.cse15 (= ~a11~0 |old(~a11~0)|)) (.cse25 (= ~a25~0 1)) (.cse16 (= ~a28~0 |old(~a28~0)|)) (.cse17 (= ~a19~0 1))) (let ((.cse3 (and .cse14 .cse15 .cse25 .cse16 .cse17)) (.cse12 (and .cse14 .cse15 .cse25 .cse24 .cse16)) (.cse1 (not (= |old(~a25~0)| 1))) (.cse10 (and .cse15 .cse24 .cse19 .cse16 .cse18)) (.cse0 (< 0 |old(~a11~0)|)) (.cse5 (= |old(~a17~0)| |old(~a28~0)|)) (.cse2 (not (= |old(~a19~0)| 1))) (.cse8 (< |old(~a28~0)| 10)) (.cse6 (< 10 |old(~a28~0)|)) (.cse20 (< 7 |old(~a17~0)|)) (.cse9 (< 0 |old(~a19~0)|)) (.cse13 (< 7 |old(~a28~0)|)) (.cse21 (= ~a11~0 1)) (.cse22 (= ~a25~0 0)) (.cse11 (not (= 0 |old(~a25~0)|))) (.cse4 (not (= 8 |old(~a17~0)|))) (.cse23 (not .cse7))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse7 .cse2 .cse3 .cse4 .cse8) (or .cse9 .cse0 .cse10 .cse11 .cse4 .cse6) (or .cse9 .cse12 .cse0 .cse1 .cse13 .cse4) (or (and .cse14 .cse15 .cse16 .cse17 .cse18) .cse2 .cse4 .cse8 .cse6) (or .cse13 (and .cse15 .cse19 .cse16 .cse17 .cse18) .cse2 .cse20) (or .cse9 .cse12 .cse0 .cse1 .cse4 .cse8 .cse6) (or .cse9 .cse10 .cse5 .cse20) (or .cse2 (and .cse14 .cse21 .cse16 .cse17 .cse22) .cse11 .cse4 .cse5 .cse23 .cse6) (or .cse0 .cse2 .cse11 .cse4 .cse5 .cse6 (and .cse14 .cse15 .cse16 .cse17 .cse22)) (or (and .cse19 .cse21 .cse16 .cse17 .cse22) .cse2 .cse11 .cse23 .cse8 .cse6 .cse20) (or .cse9 .cse13 (and .cse14 .cse24 .cse21 .cse16 .cse22) .cse11 .cse4 .cse23)))) [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2023-03-30 22:43:29,321 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-30 22:43:29,322 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a17~0 8) (<= ~a11~0 0) (= ~a19~0 1) (= ~a25~0 0) (<= ~a28~0 7)) [2023-03-30 22:43:29,323 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-30 22:43:29,323 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-30 22:43:29,330 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-30 22:43:29,332 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-30 22:43:29,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.03 10:43:29 BoogieIcfgContainer [2023-03-30 22:43:29,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-30 22:43:29,346 INFO L158 Benchmark]: Toolchain (without parser) took 25223.87ms. Allocated memory was 269.5MB in the beginning and 767.6MB in the end (delta: 498.1MB). Free memory was 220.1MB in the beginning and 332.7MB in the end (delta: -112.6MB). Peak memory consumption was 453.6MB. Max. memory is 8.0GB. [2023-03-30 22:43:29,346 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 183.5MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-30 22:43:29,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.42ms. Allocated memory is still 269.5MB. Free memory was 219.6MB in the beginning and 193.2MB in the end (delta: 26.4MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-03-30 22:43:29,347 INFO L158 Benchmark]: Boogie Preprocessor took 81.77ms. Allocated memory is still 269.5MB. Free memory was 193.2MB in the beginning and 188.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-30 22:43:29,347 INFO L158 Benchmark]: RCFGBuilder took 917.24ms. Allocated memory is still 269.5MB. Free memory was 188.7MB in the beginning and 115.3MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. [2023-03-30 22:43:29,347 INFO L158 Benchmark]: TraceAbstraction took 23829.76ms. Allocated memory was 269.5MB in the beginning and 767.6MB in the end (delta: 498.1MB). Free memory was 114.7MB in the beginning and 332.7MB in the end (delta: -218.0MB). Peak memory consumption was 347.7MB. Max. memory is 8.0GB. [2023-03-30 22:43:29,348 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 183.5MB. Free memory is still 133.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 391.42ms. Allocated memory is still 269.5MB. Free memory was 219.6MB in the beginning and 193.2MB in the end (delta: 26.4MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.77ms. Allocated memory is still 269.5MB. Free memory was 193.2MB in the beginning and 188.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 917.24ms. Allocated memory is still 269.5MB. Free memory was 188.7MB in the beginning and 115.3MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. * TraceAbstraction took 23829.76ms. Allocated memory was 269.5MB in the beginning and 767.6MB in the end (delta: 498.1MB). Free memory was 114.7MB in the beginning and 332.7MB in the end (delta: -218.0MB). Peak memory consumption was 347.7MB. 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: 590]: 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 5 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.8s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9400 SdHoareTripleChecker+Valid, 7.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9391 mSDsluCounter, 1227 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 540 mSDsCounter, 1423 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11091 IncrementalHoareTripleChecker+Invalid, 12514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1423 mSolverCounterUnsat, 687 mSDtfsCounter, 11091 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3141 GetRequests, 2993 SyntacticMatches, 7 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4341occurred in iteration=8, InterpolantAutomatonStates: 110, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 1950 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 172 PreInvPairs, 230 NumberOfFragments, 1004 HoareAnnotationTreeSize, 172 FomulaSimplifications, 63366 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4173 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 4037 NumberOfCodeBlocks, 4037 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 5150 ConstructedInterpolants, 0 QuantifiedInterpolants, 13018 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4229 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 24 InterpolantComputations, 6 PerfectInterpolantSequences, 2411/2628 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: 616]: Loop Invariant Derived loop invariant: ((((((((((((((((((a17 <= 7 && a19 == 1) && a28 <= 7) || (((((10 <= a28 && a17 == 8) && a25 == 1) && a11 <= 0) && a28 <= 10) && a19 <= 0)) || ((((a17 == 8 && a25 == 1) && a11 <= 0) && a28 <= 7) && a19 <= 0)) || 0 < \old(a11)) || ((((a17 == 8 && a11 <= 0) && a28 <= 10) && a25 == 0) && a19 <= 0)) || (((((10 <= a28 && a11 == 1) && a17 <= 7) && a28 <= 10) && a19 == 1) && a25 == 0)) || 7 < \old(a28)) || ((((a17 == 8 && a25 == 1) && !(a28 == 8)) && a28 <= 10) && a19 == 1)) || !(\old(a19) == 1)) || !(0 == \old(a25))) || ((((a17 == 8 && a11 == 1) && a25 == 0) && a28 <= 7) && a19 <= 0)) || !(8 == \old(a17))) || (((((a17 == 8 && !(a28 == 8)) && a11 == 1) && a28 <= 10) && a19 == 1) && a25 == 0)) || ((!(a28 == a17) && a17 <= 7) && a19 <= 0)) || (((a17 == 8 && a25 == 1) && a11 <= 0) && a19 == 1)) || ((((10 <= a28 && a17 == 8) && a25 == 1) && a19 == 1) && !(a11 == 1))) || (((((a17 == 8 && !(a28 == 8)) && a11 <= 0) && a28 <= 10) && a19 == 1) && a25 == 0)) || (((10 <= a28 && a17 == 8) && a28 <= 10) && a19 == 1) RESULT: Ultimate proved your program to be correct! [2023-03-30 22:43:29,364 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...